(376999) 2002 PJ198


Beobachtungen und Bahndaten (englisch)

Observations:
     Bi1114 * C2002 08 13.21678 21 10 28.51 -23 07 57.4          20.3        644
     Bi1114   C2002 08 13.28267 21 10 25.05 -23 08 12.5          19.8        644
     Bi1114   C2002 08 13.35706 21 10 21.13 -23 08 28.5          19.9        644
     Bi1114   C2002 08 15.25118 21 08 50.42 -23 15 04.2          19.2 R      644
     Bi1114   C2002 08 15.26190 21 08 49.89 -23 15 05.1          19.8 R      644
     Bi1114   C2002 08 15.28050 21 08 48.95 -23 15 10.2          19.2 R      644
     Bi1114   C2002 08 18.30243 21 06 30.28 -23 24 10.3          18.7 R      644
     Bi1114   C2002 08 18.33296 21 06 28.76 -23 24 16.4          19.3 R      644
     Bi1114   C2002 08 29.27166 20 59 50.54 -23 40 56.2          19.4 R      644
     Bi1114   C2002 08 29.29185 20 59 49.93 -23 40 56.8          19.5 R      644
     Bi1114   C2002 08 29.31278 20 59 49.29 -23 40 57.1          19.5 R      644

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

Orbital elements:

(376999) 2002 PJ198

Designations that belong: 2002 PJ198 = 1995 ON18

Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 106.33295              (2000.0)            P               Q
n   0.27799570     Peri.  222.64489     +0.34778132     +0.93620463             T = 2457618.00146 JDT
a   2.3251126      Node    67.76428     -0.84477941     +0.33635117             q =     1.8002337
e   0.2257434      Incl.    3.13897     -0.40668895     +0.10192542    Earth MOID = 0.78544 AU
P   3.55           H   18.4           G   0.15           U   1
From 46 observations at 4 oppositions, 1995-2013, mean residual 0".37.
  
Residuals
19950730  691  0.1-  0.1+    20020829  644  0.1+  0.3-    20131015  691  0.7-  0.7+
19950730  691  0.9-  0.8+    20120313  691  0.4-  0.4+    20131015  691  0.2+  0.3+
19950730  691  0.1-  0.7+    20120313  691  0.1-  1.1+    20131023  G96  0.5+  0.5+
19950801  691  0.0   0.5+    20120313  691  0.4-  0.5+    20131023  G96  1.0+  0.5+
19950801  691  0.3+  0.2+    20120313  G96  0.1-  0.1+    20131023  G96  0.1+  0.4+
19950801  691  0.0   0.0     20120313  G96  0.3+  0.2-    20131023  G96  0.1+  0.4+
20020813  644  0.2-  0.1-    20120313  G96  0.2+  0.4+    20131024  G96  0.0   0.6+
20020813  644  0.1-  0.1-    20120313  G96  0.0   0.1+    20131024  G96  0.0   0.1+
20020813  644  0.0   0.1+    20120327  F51  0.4+  0.4+    20131024  G96  0.2+  0.2+
20020815  644  0.2-  0.6-    20120327  F51  0.2+  0.2+    20131024  G96  0.0   0.1+
20020815  644  0.1+  0.7+    20120327  F51  0.2+  0.0     20131108  G96  0.2+  0.1-
20020815  644  0.2+  0.6-    20120327  F51  0.3+  0.2+    20131108  G96  0.0   0.2+
20020818  644  0.3+  1.2+    20131003  F51  0.3-  0.0     20131108  G96  0.4-  0.2-
20020818  644  0.3-  0.1-    20131003  F51  0.1-  0.0     20131108  G96  0.3+  0.1+
20020829  644  0.2-  0.2-    20131003  F51  0.0   0.1-
20020829  644  0.0   0.4-    20131015  691  0.3-  0.2+

Last observed on 2013 Nov. 8. Perturbed ephemeris below based on elements from MPO 274139.

Discovery date : 1995 07 30 (*)
Discovery site : Kitt Peak
Discoverer(s) : Spacewatch

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Letzte Änderung: 16. Juni 2017 (Harald Bill)