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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08462154768507793 4.6789e-08  
a 2.659418783589105 2.1123e-08 au
q 2.434374650179028 1.2545e-07 au
i 15.26896078193724 5.0296e-06 deg
node 191.285366115079 1.5142e-05 deg
peri 33.5116941334569 2.9852e-05 deg
M 229.8652882694303 2.7604e-05 deg
tp 2459969.123514700130
(2023-Jan-24.62351470)
0.00012512 TDB
period 1584.085157224211
4.34
1.8873e-05
5.167e-08
d
yr
n .2272605095491377 2.7076e-09 deg/d
Q 2.884462916999182 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 = 1.44125 au 
 Jupiter MOID = 2.09356 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 16.31   n/a MPCxxxxx  

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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