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(2010 AR1)
Classification: Apollo [NEO]          SPK-ID: 3484643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .371212643953403 0.00056555  
a 1.525830033363932 0.0012763 au
q .9594226324553974 6.059e-05 au
i .5578406268509453 0.00078808 deg
node 202.5562908502912 0.020861 deg
peri 227.1327258431241 0.020312 deg
M 202.3671503034287 2.5418 deg
tp 2459301.940701244468
(2021-Mar-28.44070124)
5.239 TDB
period 688.4266360526802
1.88
0.86379
0.002365
d
yr
n .522931538593826 0.00065614 deg/d
Q 2.092237434272466 0.0017501 au
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      8 days  
   first obs. used      2010-01-07  
   last obs. used      2010-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .57388  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:58:42  

Additional Information
 Earth MOID = .00309387 au 
 Jupiter MOID = 3.21485 au 
 T_jup = 4.416 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455207.5 (2010-Jan-11.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3712294377209484 0.00055711  
q .959639378012591 3.4836e-05 au
tp 2455171.706038040809
(2009-Dec-06.20603804)
0.0016221 TDB
node 202.6933162320624 0.021197 deg
peri 226.9514066710748 0.020596 deg
i .5562860411294083 0.00075209 deg
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      8 days  
   first obs. used      2010-01-07  
   last obs. used      2010-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .57388  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:58:42  

Additional Information
 Jupiter MOID = 3.21485 au 
 T_jup = 4.416 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.103675486061065E-7 -1.920326319168634E-8 8.725889286552934E-7 -4.633896894112947E-6 2.040778539135831E-6 4.186568849056723E-7
q -1.920326319168634E-8 1.213518645124677E-9 -5.191899529550416E-8 1.903237716022611E-7 -2.589482776555512E-8 -2.575277986944544E-8
tp 8.725889286552934E-7 -5.191899529550416E-8 2.631133005318259E-6 -2.075001754028962E-5 1.379381098021813E-5 1.188991196358798E-6
node -4.633896894112947E-6 1.903237716022611E-7 -2.075001754028962E-5 .0004493115604410282 -.0004255961247828538 -6.823319433353792E-6
peri 2.040778539135831E-6 -2.589482776555512E-8 1.379381098021813E-5 -.0004255961247828538 .0004241814955920752 3.348770459006928E-6
i 4.186568849056723E-7 -2.575277986944544E-8 1.188991196358798E-6 -6.823319433353792E-6 3.348770459006928E-6 5.656427486297062E-7

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.8   n/a MPO170305  

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