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281887 (2010 LR1)
Classification: Main-belt Asteroid          SPK-ID: 2281887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08480382605058191 4.6783e-08  
a 2.658913406929821 2.112e-08 au
q 2.433427376884985 1.254e-07 au
i 15.2699087556498 5.0299e-06 deg
node 191.2908494134324 1.5142e-05 deg
peri 33.56749227426484 2.9809e-05 deg
M 185.2541754344744 2.7283e-05 deg
tp 2459969.203793434133
(2023-Jan-24.70379343)
0.00012487 TDB
period 1583.633636593815
4.34
1.8868e-05
5.166e-08
d
yr
n .2273253053492297 2.7085e-09 deg/d
Q 2.884399436974658 2.2911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      8143 days (22.29 yr)  
   first obs. used      1998-09-27  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 04:19:23  

Additional Information
 Earth MOID = 1.43876 au 
 Jupiter MOID = 2.09481 au 
 T_jup = 3.331 
[ 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 16.2   n/a MPO437276  

281887 (2010 LR1)          Discovered 2010-Jun-05 by Ferrando, R. at Pla D'Arguines
Reference: 20110615/Numbers.arcLast Updated: 2011-06-23

Alternate Designations
 2010 LR1 = 2007 TE356 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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