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213502 (2002 GC77)
Classification: Main-belt Asteroid          SPK-ID: 2213502
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04366539158634256 4.7436e-08  
a 2.267954014260497 1.4479e-08 au
q 2.168922914127995 1.005e-07 au
i 4.72169810087017 4.0217e-06 deg
node 131.0024553439716 4.7022e-05 deg
peri 81.98353903273372 6.7782e-05 deg
M 152.6851497233801 5.1244e-05 deg
tp 2458671.392287519527
(2019-Jul-06.89228752)
0.00017528 TDB
period 1247.526539667157
3.42
1.1947e-05
3.271e-08
d
yr
n .2885710151673799 2.7635e-09 deg/d
Q 2.366985114392999 1.5112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      6794 days (18.60 yr)  
   first obs. used      2002-04-09  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:57  

Additional Information
 Earth MOID = 1.16719 au 
 Jupiter MOID = 2.59757 au 
 T_jup = 3.609 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.00   n/a E2021B55  

213502 (2002 GC77)          Discovered 2002-Apr-09 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2002 GC77 = 2005 CL15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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