2002 NH77 = Bi1179


Beobachtungen und Bahndaten (englisch)

Observations:
     Bi1179 * C2002 07 15.43852 21 39 00.03 -22 43 49.4          19.8        644
     Bi1179   C2002 07 15.44888 21 38 59.84 -22 43 54.3          20.0        644
     Bi1179   C2002 07 15.46268 21 38 59.54 -22 44 00.3          20.3        644
     Bi1179   C2002 08 13.36786 21 20 07.37 -26 25 52.5          19.3        644
     Bi1179   C2002 08 13.37817 21 20 06.81 -26 25 56.1          19.6        644
     Bi1179   C2002 08 13.38854 21 20 06.24 -26 26 00.0          19.6        644
     Bi1179   C2002 08 30.24484 21 07 54.53 -27 31 33.7          19.4 R      644
     Bi1179   C2002 08 30.26578 21 07 53.76 -27 31 35.5          19.2 R      644
     Bi1179   C2002 08 30.29646 21 07 52.64 -27 31 38.7          19.1 R      644

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

Orbital elements:

2002 NH77

Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M  32.23439              (2000.0)            P               Q
n   0.26933590     Peri.  251.23129     +0.87581648     +0.47230660             T = 2457880.81901 JDT
a   2.3746880      Node    80.47959     -0.39613976     +0.82104698             q =     1.8890149
e   0.2045208      Incl.    5.78210     -0.27571506     +0.32063737    Earth MOID = 0.88740 AU
P   3.66           H   17.7           G   0.15           U   0
From 52 observations at 7 oppositions, 2002-2017, mean residual 0".32.
  
Residuals
20020715  644  0.2-  0.1+    20061022  703 (0.1+  2.1-)   20130901  F51  0.1+  0.1-
20020715  644  0.2+  0.1-    20061022  703 (0.8+  1.9+)   20130901  F51  0.1-  0.1+
20020715  644  0.1+  0.2+    20061022  703  0.5-  0.6+    20130901  F51  0.0   0.0
20020813  644  0.1+  0.3-    20090527  G96  0.1-  0.4+    20130901  F51  0.0   0.0
20020813  644  0.0   0.2-    20090527  G96  0.2-  0.4+    20141221  F51  0.2+  0.1-
20020813  644  0.2-  0.5-    20090527  G96  0.0   0.4+    20141221  F51  0.1-  0.1+
20020830  644  0.3+  0.0     20090527  G96  0.4+  0.3+    20141221  F51  0.2+  0.2+
20020830  644  0.2+  0.2+    20130714  F51  0.0   0.1+    20150120  691  0.6-  0.5+
20020830  644  0.1+  0.1-    20130714  F51  0.0   0.1+    20150120  691  0.3-  0.0
20061022  703  0.2-  0.1+    20130714  F51  0.0   0.0     20150120  691  0.7+  0.2-

Last observed on 2017 Oct. 25. Perturbed ephemeris below based on elements from MPEC 2017-UI4.

Further observations? Not necessary this month for numbering. 

Links

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Letzte Änderung: 26. Oktober 2017 (Harald Bill)