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190752 (2001 QR61)
Classification: Main-belt Asteroid          SPK-ID: 2190752
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467518239517438 3.8914e-08  
a 2.300889502100894 1.1674e-08 au
q 1.963229770956168 8.8814e-08 au
i 6.07437471996154 4.4815e-06 deg
node 154.1158590162009 4.4755e-05 deg
peri 161.96535347 4.8198e-05 deg
M 204.1997289294833 1.9756e-05 deg
tp 2459752.206091315152
(2022-Jun-21.70609132)
7.2208e-05 TDB
period 1274.800046936759
3.49
9.702e-06
2.656e-08
d
yr
n .2823972283849931 2.1492e-09 deg/d
Q 2.63854923324562 1.3387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      7665 days (20.99 yr)  
   first obs. used      2000-03-11  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:59  

Additional Information
 Earth MOID = .948931 au 
 Jupiter MOID = 2.64136 au 
 T_jup = 3.570 
[ 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 16.78   n/a E2021B55  

190752 (2001 QR61)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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