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249890 (2001 RN51)
Classification: Main-belt Asteroid          SPK-ID: 2249890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1984969741734376 6.1302e-08  
a 2.779053022222802 1.6523e-08 au
q 2.227419406244029 1.6911e-07 au
i 13.54664446945921 7.0795e-06 deg
node 202.2272462230179 1.6605e-05 deg
peri 151.8837149152657 2.2241e-05 deg
M 10.27249045633038 1.2911e-05 deg
tp 2458952.214478993756
(2020-Apr-12.71447899)
6.0502e-05 TDB
period 1692.168772134105
4.63
1.5091e-05
4.132e-08
d
yr
n .2127447367711321 1.8973e-09 deg/d
Q 3.330686638201576 1.9803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      6598 days (18.06 yr)  
   first obs. used      2001-06-16  
   last obs. used      2019-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50878  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:14  

Additional Information
 Earth MOID = 1.23337 au 
 Jupiter MOID = 2.18008 au 
 T_jup = 3.265 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO450109  

249890 (2001 RN51)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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