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109850 (2001 RO131)
Classification: Main-belt Asteroid          SPK-ID: 2109850
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176334110569251 4.9757e-08  
a 2.621465795704851 1.754e-08 au
q 2.313093832187033 1.2687e-07 au
i 3.610222457821461 4.8864e-06 deg
node 137.889589678253 8.6185e-05 deg
peri 99.83824673181037 8.8551e-05 deg
M 254.1837085323396 2.1702e-05 deg
tp 2459456.185024361943
(2021-Aug-29.68502436)
9.4492e-05 TDB
period 1550.29633428833
4.24
1.5559e-05
4.26e-08
d
yr
n .2322136691145951 2.3305e-09 deg/d
Q 2.929837759222669 1.9603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      7184 days (19.67 yr)  
   first obs. used      2000-05-05  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:53:41  

Additional Information
 Earth MOID = 1.30446 au 
 Jupiter MOID = 2.07435 au 
 T_jup = 3.392 
[ 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 16.0   n/a MPO417564  

109850 (2001 RO131)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RO131 = 2004 EV38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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