2002 NJ77 = Bi1181


Beobachtungen und Bahndaten (englisch)

Observations:
     Bi1181 * C2002 07 15.44317 21 45 52.39 -24 03 44.6          20.0        644
     Bi1181   C2002 07 15.45578 21 45 51.99 -24 03 48.8          19.8        644
     Bi1181   C2002 07 15.46730 21 45 51.68 -24 03 52.1          20.4        644
     Bi1181   C2002 07 29.33014 21 37 08.20 -25 14 34.0          18.8 R      644
     Bi1181   C2002 07 29.33243 21 37 08.08 -25 14 34.5          18.5 R      644
     Bi1181  IC2002 07 29.35351 21 37 07.03 -25 14 41.1          18.9 R      644
     Bi1181   C2002 07 29.38796 21 37 05.29 -25 14 51.0          18.9 R      644
     Bi1181   C2002 07 29.39274 21 37 05.02 -25 14 52.2          18.7 R      644
     Bi1181   C2002 08 13.37015 21 23 46.58 -26 14 56.4          19.6        644
     Bi1181   C2002 08 13.38045 21 23 45.99 -26 14 57.6          19.4        644
     Bi1181   C2002 08 13.39085 21 23 45.37 -26 14 59.7          19.5        644
     Bi1181   C2002 08 19.22624 21 18 29.78 -26 28 13.1          18.5 R      644
     Bi1181   C2002 08 19.25355 21 18 28.30 -26 28 15.3          18.8 R      644
     Bi1181  IC2002 08 30.23921 21 09 54.76 -26 33 40.2                      644
     Bi1181   C2002 08 30.26005 21 09 53.85 -26 33 40.0          19.1 R      644
     Bi1181   C2002 08 30.28850 21 09 52.65 -26 33 38.3          19.5 R      644

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

Orbital elements:

2002 NJ77

Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 207.61230              (2000.0)            P               Q
n   0.24215642     Peri.  271.29170     +0.65904250     +0.74954589             T = 2458429.79449 JDT
a   2.5492087      Node    40.16307     -0.64615889     +0.60646421             q =     2.1168965
e   0.1695868      Incl.    5.51627     -0.38489176     +0.26529629
P   4.07           H   17.3           G   0.15           U   2
From 41 observations at 3 oppositions, 2002-2017, mean residual 0".20.
  
Residuals
20020715 *644  0.2+  0.2+    20020729  644  0.2+  0.1+    20020819  644  0.1+  0.2+
20020715  644  0.2-  0.2-    20020729  644  0.2-  0.2+    20020830  644  0.2+  0.3+
20020715  644  0.1+  0.1-    20020813  644  0.1+  0.3-    20020830  644  0.2-  0.3-
20020729  644  0.2-  0.0+    20020813  644  0.3+  0.2+    20020830  644  0.0-  0.2+
20020729  644  0.2-  0.2+    20020813  644  0.1+  0.2-
20020729  644  0.0+  0.1-    20020819  644  0.3-  0.5-

Last observed on 2017 Mar. 28. Perturbed ephemeris below based on elements from MPEC 2017-FI9. 

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Letzte Änderung: 2. April 2017 (Erstellt am: 19. Juli 2011) (Harald Bill)