(322987) 2002 NJ75


Beobachtungen und Bahndaten (englisch)

Observations:
     Bi0947 * C2002 07 14.39985 21 03 43.93 -20 44 00.8          20.1        644
     Bi0947   C2002 07 14.41253 21 03 43.27 -20 44 00.5          20.0        644
     Bi0947   C2002 07 14.42987 21 03 42.35 -20 44 00.2          19.8        644
     Bi0947   C2002 07 18.32306 21 00 17.70 -20 43 01.0          19.2 R      644
     Bi0947   C2002 07 18.38694 21 00 13.98 -20 43 00.3          19.8 R      644
     Bi0947   C2002 07 28.41926 20 50 10.83 -20 39 31.5          19.1 R      608
     Bi0947   C2002 08 08.28283 20 38 40.34 -20 30 28.8          19.3        644
     Bi0947   C2002 08 08.30406 20 38 38.97 -20 30 27.0          19.1        644
     Bi0947   C2002 08 08.32509 20 38 37.56 -20 30 25.7          19.6        644
     Bi0947   C2002 08 17.20516 20 30 11.18 -20 16 32.0          19.2 R      644
     Bi0947   C2002 08 18.18108 20 29 21.71 -20 14 36.8          18.7 R      644
     Bi0947   C2002 08 18.20190 20 29 20.69 -20 14 34.0          18.9 R      644
     Bi0947   C2002 08 27.14734 20 23 02.32 -19 53 24.6          19.7 R      644
     Bi0947   C2002 08 27.16810 20 23 01.52 -19 53 21.4          19.8 R      644
     Bi0947   C2002 08 27.18916 20 23 00.76 -19 53 18.1          19.8 R      644

     Bi0947  KC2010 11 30.30463 04 35 30.78 +32 22 30.0          19.7 V      H10
     Bi0947  KC2010 11 30.31336 04 35 30.06 +32 22 29.1          19.9 V      H10
     Bi0947  KC2010 11 30.32200 04 35 29.42 +32 22 26.6          20.2 V      H10

Station data:
(608) Haleakala-AMOS (N20.7085 W156.2580).
(644) Palomar Mountain/NEAT (N33.35743 W116.85978).
(H10) Tzec Maun Observatory, Mayhill (N32.90341 W105.52859).

Orbital elements:

(322987) 2002 NJ75

Designations that belong: 2002 NJ75 = 2010 WE72 

Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M  73.04187              (2000.0)            P               Q
n   0.27345720     Peri.  342.04595     +0.52749207     +0.84625678             T = 2457733.39467 JDT
a   2.3507682      Node   319.69993     -0.76458007     +0.43447653             q =     2.0822838
e   0.1142114      Incl.    6.64489     -0.37036392     +0.30834981
P   3.60           H   17.2           G   0.15           U   0
From 71 observations at 8 oppositions, 2002-2016, mean residual 0".42.
  
Residuals
20020714  644  0.1+  0.0     20071230  691  0.3-  0.2-    20130828  703  0.8-  1.1+
20020714  644  0.2+  0.0     20071230  691  0.5-  0.0     20130828  703  0.3-  0.8-
20020714  644  0.2+  0.0     20080119  691  0.5-  0.4+    20130828  703  0.8-  0.0
20020718  644  0.1-  0.2+    20080119  691  0.3-  0.1+    20130902  703  1.0+  1.1+
20020718  644  0.0   0.1+    20080119  691  0.0   0.2-    20130902  703  0.1+  0.7+
20020728  608  0.6+  0.6-    20101130  H10  0.8+  0.6-    20130902  703  0.3+  0.1-
20020808  644  0.0   0.1+    20101130  H10  0.0   0.1+    20130902  703  0.3+  1.4+
20020808  644  0.0   0.4+    20101130  H10  0.2+  0.7-    20130913  703 (0.4-  1.6+)
20020808  644  0.7-  0.2+    20101209  G96  0.1-  0.0     20130913  703  0.5-  0.7+
20020817  644  0.2+  0.0     20101209  G96  0.3+  0.2-    20130913  703  0.3-  1.2+
20020818  644  0.2-  0.2-    20101209  G96  0.1+  0.3-    20130913  703 (3.9-  1.5+)
20020818  644  0.8+  0.2+    20101209  G96  0.4-  0.4-    20141229  F51  0.1+  0.1+
20020827  644  0.6+  0.1-    20120228  F51  0.1+  0.1+    20141229  F51  0.1+  0.1+
20020827  644  0.0   0.1-    20120228  F51  0.2+  0.0     20141229  F51  0.1+  0.0
20020827  644  0.2+  0.1-    20120228  F51  0.0   0.1+    20141229  F51  0.1+  0.1+
20060928  703  0.2+  1.1-    20120228  F51  0.1+  0.0     20150213  G96  0.3+  0.1+
20060928  703 (0.2-  1.9+)   20120315  G96  0.2+  0.1+    20150213  G96  0.0   0.2+
20060928  703  0.1-  0.7+    20120315  G96  0.4-  0.1+    20150213  G96  0.0   0.2+
20060928  703  1.1+  0.9-    20120315  G96  0.3+  0.0     20150213  G96  0.6+  0.4+
20061017  703  0.9+  0.2+    20120315  G96  0.2+  0.2+    20150222  F51  0.3+  0.1+
20061017  703 (1.6+  0.0 )   20130815  F51  0.3-  0.2-    20150222  F51  0.2+  0.1+
20061017  703  1.3-  0.2+    20130815  F51  0.3-  0.1-    20150222  F51  0.3+  0.2+
20061017  703 (1.1+  2.3-)   20130815  F51  0.3-  0.1-
20071230  691  0.5-  0.1+    20130828  703  0.2+  0.3-

Last observed on 2016 June 11. Perturbed ephemeris below based on elements from MPO 382452.

Discovery date : 2002 07 14
Discovery site : Palomar
Discoverer(s) : NEAT

Links

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Letzte Änderung: 16. Juni 2017 (erstellt am 28. Oktober 2010). (Harald Bill)