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190795 (2001 RQ40)
Classification: Main-belt Asteroid          SPK-ID: 2190795
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081878336657743 3.8749e-08  
a 2.346410434856531 9.9466e-09 au
q 2.092557373018636 9.2108e-08 au
i 7.224340528304459 4.2667e-06 deg
node 56.74167655344737 3.5779e-05 deg
peri 338.7505873526258 4.2731e-05 deg
M 90.8183405827322 2.3053e-05 deg
tp 2458869.311338153480
(2020-Jan-20.81133815)		 8.3435e-05 TDB
period 1312.817625820138
3.59		 8.3477e-06
2.285e-08		 d
yr
n .2742193530309302 1.7437e-09 deg/d
Q 2.600263496694427 1.1023e-08 au
   Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      7100 days (19.44 yr)  
   first obs. used      2001-08-11  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:03:23  

Additional Information
 Earth MOID = 1.10061 au 
 Jupiter MOID = 2.78544 au 
 T_jup = 3.542 
[ 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 16.1   n/a MPO449946  

190795 (2001 RQ40)          Discovered 2001-Sep-11 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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