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469276 (1993 RQ)
Classification: Mars-crossing Asteroid          SPK-ID: 2469276
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3252095886871962 6.7512e-08  
a 2.215656291834205 6.8034e-09 au
q 1.495103620494605 1.52e-07 au
i 9.858882189353084 7.9739e-06 deg
node 336.0160826330759 4.4936e-05 deg
peri .04008689408172494 4.7473e-05 deg
M 42.27634938382101 1.3154e-05 deg
tp 2458859.035655938879
(2020-Jan-10.53565594)
4.3649e-05 TDB
period 1204.625389946587
3.30
5.5484e-06
1.519e-08
d
yr
n .2988480925310418 1.3765e-09 deg/d
Q 2.936208963173805 9.016e-09 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      9423 days (25.80 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:23  

Additional Information
 Earth MOID = .485608 au 
 Jupiter MOID = 2.45815 au 
 T_jup = 3.564 
[ 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 18.0   n/a MPO437768  

469276 (1993 RQ)          Discovered 1993-Sep-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

[ show close-approach data ]
Alternate Designations
 1993 RQ = 2003 UB18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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