(313398) 2002 NG77


Beobachtungen und Bahndaten (englisch)

Observations:
     Bi1154 * C2002 07 14.46345 21 38 35.64 -17 49 46.9          20.1 R      644
     Bi1154   C2002 07 14.47377 21 38 35.30 -17 49 49.3          19.7 R      644
     Bi1154   C2002 07 14.48426 21 38 35.04 -17 49 51.1          19.9 R      644
     Bi1154   C2002 07 22.38257 21 34 01.42 -18 19 46.1          19.2 R      644
     Bi1154   C2002 07 22.44448 21 33 58.72 -18 20 00.4          19.7 R      644
     Bi1154   C2002 08 08.34828 21 19 48.17 -19 34 15.1          19.1 R      644
     Bi1154   C2002 08 08.35873 21 19 47.54 -19 34 17.1          19.5 R      644
     Bi1154   C2002 08 08.37042 21 19 46.85 -19 34 20.5          19.6 R      644
     Bi1154   C2002 08 11.36859 21 16 54.58 -19 47 10.1          19.3 R      644
     Bi1154   C2002 08 11.38148 21 16 53.82 -19 47 12.7          18.9 R      644
     Bi1154   C2002 08 11.39492 21 16 53.02 -19 47 16.4          19.0 R      644
     Bi1154   C2002 08 29.27166 21 00 44.94 -20 46 23.2          19.5 R      644
     Bi1154   C2002 08 29.27412 21 00 44.83 -20 46 22.9          19.4 R      644
     Bi1154   C2002 08 29.29185 21 00 43.95 -20 46 25.4          19.1 R      644
     Bi1154   C2002 08 29.29532 21 00 43.78 -20 46 25.8          19.2 R      644
     Bi1154   C2002 08 29.31278 21 00 42.90 -20 46 28.1          19.3 R      644
     Bi1154   C2002 08 29.31623 21 00 42.77 -20 46 28.7          18.7 R      644

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

Orbital elements:

(313398) 2002 NG77

Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 195.85512              (2000.0)            P               Q
n   0.24060035     Peri.  350.96658     +0.86689335     -0.49795614             T = 2458682.73043 JDT
a   2.5601881      Node    38.92611     +0.45962864     +0.78047244             q =     1.9639315
e   0.2328956      Incl.    2.11087     +0.19297004     +0.37802442    Earth MOID = 0.96909 AU
P   4.10           H   17.4           G   0.15           U   0
From 66 observations at 6 oppositions, 2002-2015, mean residual 0".28.
  
Residuals
20020714  644  0.3+  0.3+    20040212  691  0.3+  0.1+    20111229  691  0.1+  0.2+
20020714  644  0.0   0.1-    20071231  G96  0.4-  0.1-    20111229  691  0.4-  0.2+
20020714  644  0.8+  0.3+    20071231  G96  0.4-  0.2-    20120118  G96  0.4+  0.1-
20020722  644  0.1+  0.8-    20071231  G96  0.4-  0.1-    20120118  G96  0.2-  0.0
20020722  644  0.4-  0.1+    20071231  G96  0.2+  0.1-    20120118  G96  0.4+  0.2-
20020808  644  0.1+  0.4-    20071231  691  0.4-  0.1-    20120118  G96  0.4+  0.3-
20020808  644  0.0   0.3+    20071231  691  0.1+  0.6-    20120125  695  0.1+  0.5-
20020808  644  0.1+  0.1-    20071231  691  0.0   0.4-    20120125  695  0.2+  0.4-
20020811  644  0.2-  0.3-    20080113  691  0.1-  0.4+    20120125  F51  0.2+  0.2-
20020811  644  0.1+  0.3+    20080113  691  0.1+  0.4+    20120125  F51  0.2+  0.0
20020811  644  0.2+  0.1-    20080113  691  0.1+  0.0     20120125  F51  0.4+  0.2-
20020829  644  0.1-  0.3-    20080210  G96  0.2-  0.4-    20120125  F51  0.4+  0.1+
20020829  644  0.0   0.3+    20080210  G96  0.2-  0.2-    20120129  695  0.2+  0.0
20020829  644  0.2-  0.1+    20080210  G96  0.2+  0.1-    20120129  695  0.3+  0.0
20020829  644  0.2-  0.2+    20080210  G96  0.1-  0.1-    20120129  695  0.3+  0.3+
20020829  644  0.5-  0.1+    20111225  691  0.3-  0.2+    20130410  F51  0.0   0.0
20020829  644  0.0   0.1-    20111225  691  0.3-  0.2+    20130410  F51  0.0   0.2-
20040212  691  0.1+  0.4+    20111225  691  0.7-  0.2-    20130410  F51  0.1-  0.2-
20040212  691  0.2+  0.4+    20111229  691  0.3-  0.1+    20130410  F51  0.1-  0.1+

Last observed on 2015 Dec. 19. Perturbed ephemeris below based on elements from MPO 372921.

Discovery date : 2007 12 31 (*)
Discovery site : Mount Lemmon
Discoverer(s) : Mt. Lemmon Survey

Links

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Letzte Änderung: 16. Juni 2017 (Harald Bill)