(376977) 2002 NJ69


Beobachtungen und Bahndaten (englisch)

Observations:
     Bi0144 * C2002 07 03.42685 20 25 29.74 -12 25 49.3          20.2        644
     Bi0144   C2002 07 03.43719 20 25 29.22 -12 25 48.6          20.2        644
     Bi0144   C2002 07 03.44888 20 25 28.62 -12 25 47.1          20.1        644
     Bi0144   C2002 07 08.26872 20 21 32.05 -12 17 12.1          19.8        644
     Bi0144   C2002 07 08.34278 20 21 28.00 -12 17 05.9          19.5        644
     Bi0144   C2002 07 08.40953 20 21 24.30 -12 17 00.2          19.6        644
     Bi0144   C2002 07 11.23385 20 18 52.40 -12 13 30.8          19.2 R      644
     Bi0144   C2002 07 11.25490 20 18 51.20 -12 13 29.8          19.4 R      644
     Bi0144   C2002 07 11.27635 20 18 49.95 -12 13 28.5          19.4 R      644
     Bi0144   C2002 07 29.17521 20 01 19.98 -12 13 22.0          19.0 R      644
     Bi0144   C2002 07 29.19953 20 01 18.55 -12 13 23.7          19.2 R      644
     Bi0144   C2002 07 29.22132 20 01 17.25 -12 13 24.6          19.0 R      644
     Bi0144   C2002 08 24.16028 19 43 56.56 -12 51 36.3          19.2 R      644
     Bi0144   C2002 08 24.18149 19 43 56.11 -12 51 37.6          19.3 R      644
     Bi0144   C2002 08 24.20282 19 43 55.72 -12 51 40.3          19.4 R      644

Station data:
(644) Palomar Mountain/NEAT (N33.35739 W116.85978).

Orbital elements:

(376977) 2002 NJ69

Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
M 312.45505              (2000.0)            P               Q
n   0.27525101     Peri.  353.63713     -0.33069280     +0.93850691             T = 2457573.23308 JDT
a   2.3405438      Node   257.01795     -0.86131193     -0.34311307             q =     1.9731910
e   0.1569519      Incl.    5.84486     -0.38572534     -0.03844730    Earth MOID = 0.95792 AU
P   3.58           H   17.6           G   0.15           U   0
From 56 observations at 7 oppositions, 2002-2015, mean residual 0".35.
  
Residuals
20020606  291  0.5-  0.5+    20031201  691  0.3+  0.4+    20101112  G96  0.2-  0.1+
20020606  291  0.8-  0.6+    20031201  691  0.1+  0.1+    20120119  F51  0.2+  0.2+
20020606  291  0.8-  0.1+    20050313  703  0.5+  0.4-    20120119  F51  0.2+  0.2+
20020703  644  0.8+  0.8+    20050313  703  0.1-  0.5-    20120119  691  0.2-  0.4+
20020703  644  0.6+  0.2+    20050313  703  0.1-  0.6+    20120119  F51  0.2+  0.2+
20020703  644  0.1+  0.2+    20050313  703  0.0   0.9+    20120119  691  0.1-  0.0
20020708  644  0.2-  0.5+    20101029  G96  0.2-  0.0     20120119  F51  0.3+  0.3+
20020708  644  0.0   0.6+    20101029  G96  0.1-  0.1-    20120119  691  0.4+  0.4+
20020708  644  0.1-  0.6+    20101029  G96  0.0   0.2+    20130811  I41  0.4-  0.6+
20020711  644  0.3+  0.1+    20101029  G96  0.4-  0.3-    20130811  I41  0.2-  0.2+
20020711  644  0.5+  0.1-    20101029  F51  0.1+  0.3+    20130811  I41  0.1+  0.5+
20020711  644  0.3+  0.0     20101029  F51  0.1+  0.0     20131026  G96  0.2+  0.8+
20020729  644  0.1-  0.3+    20101107  F51  0.0   0.1+    20131026  G96  0.1-  0.2+
20020729  644  0.1+  0.0     20101107  F51  0.1-  0.0     20131026  G96  0.0   0.1-
20020729  644  0.0   0.4+    20101107  F51  0.0   0.0     20131026  G96  0.3+  0.1+
20020824  644  0.4+  0.3+    20101107  F51  0.0   0.0     20150118  F51  0.3-  0.3+
20020824  644  0.0   1.2+    20101112  G96  0.2+  0.2-    20150118  F51  0.2-  0.2+
20020824  644  0.5+  0.6+    20101112  G96  0.0   0.3-    20150118  F51  0.0   0.2+
20031201  691  0.3-  0.2+    20101112  G96  0.6-  0.1-

Last observed on 2015 Jan. 18. Perturbed ephemeris below based on elements from MPO 353291.

Object has been observed on only one night at the latest opposition.

Discovery date : 2002 07 03
Discovery site : Palomar
Discoverer(s) : Palomar 

Links

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Letzte Änderung: 17. November 2015 (Harald Bill)