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442066 (2010 RQ142)
Classification: Main-belt Asteroid          SPK-ID: 2442066
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1033395698213796 1.2185e-07  
a 3.108625096493201 1.007e-07 au
q 2.787381116285649 4.2612e-07 au
i 10.07167406242844 1.0537e-05 deg
node 347.3476763275211 3.318e-05 deg
peri 4.08492854220752 5.2038e-05 deg
M 292.4918421617909 4.9009e-05 deg
tp 2459375.909022771126
(2021-Jun-10.40902277)
0.00028733 TDB
period 2001.939506651937
5.48
9.7273e-05
2.663e-07
d
yr
n .1798256135132013 8.7376e-09 deg/d
Q 3.429869076700752 1.111e-07 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      3198 days (8.76 yr)  
   first obs. used      2010-08-06  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:39:35  

Additional Information
 Earth MOID = 1.78158 au 
 Jupiter MOID = 1.99107 au 
 T_jup = 3.188 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457439.5 (2016-Feb-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040536635533578 1.2116e-07  
q 2.782362545714748 4.2262e-07 au
tp 2457384.513257858705
(2015-Dec-28.01325786)
0.00021838 TDB
node 347.4423979636607 3.3184e-05 deg
peri 5.323412442571647 5.2301e-05 deg
i 10.07519380406515 1.0538e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      3198 days (8.76 yr)  
   first obs. used      2010-08-06  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:39:35  

Additional Information
 Jupiter MOID = 1.99107 au 
 T_jup = 3.188 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.467899581277787E-14 -5.023729865733869E-14 -1.162681193464832E-11 -8.324012787881301E-14 -1.593608487582992E-12 -1.249347359220322E-14
q -5.023729865733869E-14 1.786059073228022E-13 4.871691001463968E-11 2.752631725376332E-13 7.185717276540343E-12 5.92677797626144E-14
tp -1.162681193464832E-11 4.871691001463968E-11 4.768860913789124E-8 4.793167002571126E-11 8.787480429750402E-9 4.205627243496478E-11
node -8.324012787881301E-14 2.752631725376332E-13 4.793167002571126E-11 1.101193145835356E-9 -1.077679024567445E-9 -8.605706009773247E-11
peri -1.593608487582992E-12 7.185717276540343E-12 8.787480429750402E-9 -1.077679024567445E-9 2.735423824524889E-9 9.246240543173545E-11
i -1.249347359220322E-14 5.92677797626144E-14 4.205627243496478E-11 -8.605706009773247E-11 9.246240543173545E-11 1.110400840727651E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO437719  

442066 (2010 RQ142)          Discovered 2010-Aug-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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