(446894) 2002 NZ74


Beobachtungen und Bahndaten (englisch)

Observations:
     Bi0833 * C2002 07 05.45885 20 51 15.71 -19 21 20.7          19.7 R      644
     Bi0833   C2002 07 05.46943 20 51 15.52 -19 21 27.4          19.7 R      644
     Bi0833   C2002 07 05.47978 20 51 15.33 -19 21 35.4          19.4 R      644
     Bi0833   C2002 07 14.29573 20 47 25.74 -21 09 37.3          19.5 R      644
     Bi0833  IC2002 07 14.37862 20 47 22.79 -21 10 42.9                      644
     Bi0833   C2002 07 14.44565 20 47 20.31 -21 11 34.9          19.4 R      644
     Bi0833   C2002 08 06.24886 20 30 36.13 -26 21 58.5          19.4        644
     Bi0833   C2002 08 06.32183 20 30 32.38 -26 22 55.6          19.3        644
     Bi0833   C2002 08 06.38459 20 30 29.14 -26 23 44.3          19.6        644

Station data:
(644) Palomar Mountain/NEAT (N33.35743 W116.85978).

Orbital elements:

(446894) 2002 NZ74

Designations that belong: 2002 NZ74 = 2010 JF157

Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 176.62346              (2000.0)            P               Q
n   0.23276836     Peri.  240.63938     +0.97163234     +0.09409468             T = 2457241.70503 JDT
a   2.6172995      Node   113.22779     -0.02507924     +0.95326410             q =     1.8886627
e   0.2783926      Incl.   13.65706     -0.23516296     +0.28711279    Earth MOID = 0.92231 AU
P   4.23           H   17.6           G   0.15           U   0
From 68 observations at 4 oppositions, 2002-2015, mean residual 0".33.

Residuals old
20020705  644  0.6-  0.3-    20100519  691  0.2+  0.5+    20150915  G45  0.0   0.4+
20020705  644  0.0   0.2+    20111216  F51  0.1+  0.0     20150915  G45  0.1-  0.2-
20020705  644  0.4+  0.8-    20111216  F51  0.1-  0.2+    20150915  G45  0.1-  0.6+
20020714  644  0.3+  0.1+    20111216  F51  0.0   0.0     20150915  G45  0.2+  0.5+
20020714  644  0.8+  0.3-    20150622  F51  0.1-  0.1+    20150915  G45  0.6+  0.0
20020714  644  0.0   0.1-    20150622  F51  0.0   0.1+    20150915  G45  0.2-  0.2+
20020806  644  0.3-  0.1+    20150622  F51  0.0   0.0     20150915  G45  0.1+  0.3-
20020806  644  0.1-  0.1+    20150622  F51  0.0   0.1+    20151013  F51  0.0   0.0
20020806  644  0.4-  0.0     20150910  F51  0.0   0.0     20151013  F51  0.0   0.0
20100511  691  0.2+  0.3-    20150910  F51  0.0   0.0     20151019  Q60  0.3-  0.6-
20100511  691  0.0   0.5+    20150910  F51  0.0   0.1+    20151019  Q60  0.5-  1.0-
20100511  691  0.6-  0.6-    20150910  F51  0.0   0.0     20151019  Q60  0.4+  1.0-
20100519  691  0.2+  0.2+    20150915  G45  0.0   0.2+
20100519  691  0.1+  0.0     20150915  G45  0.1+  0.1-

Last observed on 2015 Dec. 7. Perturbed ephemeris below based on elements from MPO 373373. 

Discovery date : 2002 07 05
Discovery site : Palomar
Discoverer(s) : NEAT

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Letzte Änderung: 16. Juni 2017 (Harald Bill)