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JPL Small-Body Database Browser
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65276 (2002 GR78)
Classification: Main-belt Asteroid          SPK-ID: 2065276
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1681021746295071 4.4544e-08  
a 2.284878980621289 1.1046e-08 au
q 1.900785855213599 1.0505e-07 au
i 4.66437806771056 4.6123e-06 deg
node 145.7623330101537 4.7142e-05 deg
peri 191.8359634611398 4.8501e-05 deg
M 345.5015702730059 1.4401e-05 deg
tp 2459051.305613227506
(2020-Jul-20.80561323)
5.0692e-05 TDB
period 1261.517357831424
3.45
9.1484e-06
2.505e-08
d
yr
n .285370627494851 2.0695e-09 deg/d
Q 2.668972106028979 1.2903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      10808 days (29.59 yr)  
   first obs. used      1989-10-03  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56188  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:26:10  

Additional Information
 Earth MOID = .891662 au 
 Jupiter MOID = 2.70333 au 
 T_jup = 3.579 
[ 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 15.8   n/a MPO432205  
rotation period rot_per 8.238 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

65276 (2002 GR78)          Discovered 2002-Apr-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 GR78 = 1989 TM13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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