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249894 (2001 RF95)
Classification: Main-belt Asteroid          SPK-ID: 2249894
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2374489736093375 3.5801e-08  
a 2.710715565417573 1.1281e-08 au
q 2.067058936662316 9.5954e-08 au
i 3.974124344620059 4.72e-06 deg
node 279.4013459287117 5.9793e-05 deg
peri 116.8584631846079 6.1234e-05 deg
M 48.72761774460029 1.0098e-05 deg
tp 2458779.853506502800
(2019-Oct-23.35350650)
4.5772e-05 TDB
period 1630.137924561152
4.46
1.0176e-05
2.786e-08
d
yr
n .2208402090252058 1.3786e-09 deg/d
Q 3.354372194172831 1.3959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      6729 days (18.42 yr)  
   first obs. used      2001-08-27  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:28:04  

Additional Information
 Earth MOID = 1.07794 au 
 Jupiter MOID = 2.10024 au 
 T_jup = 3.318 
[ 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 16.5   n/a MPO503177  

249894 (2001 RF95)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
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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