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150806 (2001 RW91)
Classification: Main-belt Asteroid          SPK-ID: 2150806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875269882732291 3.2507e-08  
a 2.363111175160109 1.0213e-08 au
q 1.919964053527522 7.6712e-08 au
i 1.294476328268156 4.2687e-06 deg
node 13.69558635433719 0.00016995 deg
peri 283.7867735417625 0.00017052 deg
M 151.0046547345773 1.135e-05 deg
tp 2458643.939357458889
(2019-Jun-09.43935746)
4.2203e-05 TDB
period 1326.858643311218
3.63
8.6015e-06
2.355e-08
d
yr
n .2713175226425089 1.7588e-09 deg/d
Q 2.806258296792695 1.2128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      7614 days (20.85 yr)  
   first obs. used      2000-03-14  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58001  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:06  

Additional Information
 Earth MOID = .90267 au 
 Jupiter MOID = 2.40053 au 
 T_jup = 3.525 
[ 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 16.8   n/a MPO436761  

150806 (2001 RW91)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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