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160228 (2002 GQ112)
Classification: Main-belt Asteroid          SPK-ID: 2160228
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3004412724301436 6.4564e-08  
a 3.155453611781785 3.0368e-08 au
q 2.207425113563773 1.9083e-07 au
i 9.421622782739615 6.7951e-06 deg
node 63.39116859793557 3.1821e-05 deg
peri 93.72505939672979 3.326e-05 deg
M 115.1076983700347 1.229e-05 deg
tp 2458345.874383051411
(2018-Aug-15.37438305)
6.5633e-05 TDB
period 2047.345446382772
5.61
2.9555e-05
8.092e-08
d
yr
n .1758374487490834 2.5384e-09 deg/d
Q 4.103482109999796 3.9492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      6821 days (18.67 yr)  
   first obs. used      2000-11-24  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:16:18  

Additional Information
 Earth MOID = 1.24076 au 
 Jupiter MOID = 1.0953 au 
 T_jup = 3.114 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456675.5 (2014-Jan-18.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2979951385728078 6.4473e-08  
q 2.212600105774981 1.8912e-07 au
tp 2456297.976135440400
(2013-Jan-05.47613544)
5.8831e-05 TDB
node 63.59117300738139 3.1624e-05 deg
peri 93.12688326186158 3.3203e-05 deg
i 9.454138592952459 6.8172e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      6821 days (18.67 yr)  
   first obs. used      2000-11-24  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:16:18  

Additional Information
 Jupiter MOID = 1.0953 au 
 T_jup = 3.114 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.156825220916109E-15 -1.215827156375527E-14 1.485956546207724E-12 3.907429894451606E-15 2.227442228907981E-13 -2.244345532588196E-14
q -1.215827156375527E-14 3.57659783226551E-14 -4.604337532720591E-12 -8.716067051973835E-15 -7.108910444857233E-13 6.766909175161042E-14
tp 1.485956546207724E-12 -4.604337532720591E-12 3.4610422668993E-9 1.21112492078606E-12 6.434745596983318E-10 -3.121948370357279E-11
node 3.907429894451606E-15 -8.716067051973835E-15 1.21112492078606E-12 1.000076269152751E-9 -9.856574681299915E-10 -5.509966234068091E-11
peri 2.227442228907981E-13 -7.108910444857233E-13 6.434745596983318E-10 -9.856574681299915E-10 1.102444431766551E-9 4.840195122514326E-11
i -2.244345532588196E-14 6.766909175161042E-14 -3.121948370357279E-11 -5.509966234068091E-11 4.840195122514326E-11 4.647457722880287E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO433024  
rotation period rot_per 8.564 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

160228 (2002 GQ112)          Discovered 2002-Apr-10 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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Alternate Designations
 2002 GQ112 = 2007 AJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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