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146487 (2001 RQ151)
Classification: Main-belt Asteroid          SPK-ID: 2146487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722961573955467 6.2054e-08  
a 2.526276388764978 1.3136e-08 au
q 2.091008674461674 1.578e-07 au
i 10.29574864235881 5.75e-06 deg
node 128.5166225842637 2.745e-05 deg
peri 215.0861626742417 2.9529e-05 deg
M 247.4473680485168 1.1738e-05 deg
tp 2459459.035406261676
(2021-Sep-01.53540626)
4.9032e-05 TDB
period 1466.627153822216
4.02
1.1439e-05
3.132e-08
d
yr
n .2454611583194777 1.9145e-09 deg/d
Q 2.961544103068282 1.54e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1999-01-18  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:55:20  

Additional Information
 Earth MOID = 1.09091 au 
 Jupiter MOID = 2.44075 au 
 T_jup = 3.410 
[ 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 16.1   n/a MPO325491  
rotation period rot_per 3.79 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

146487 (2001 RQ151)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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