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187773 (1998 RQ71)
Classification: Main-belt Asteroid          SPK-ID: 2187773
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2259719233726374 3.8032e-08  
a 2.322354801918395 8.6199e-09 au
q 1.797567820575215 8.9226e-08 au
i 3.020559869219557 3.8737e-06 deg
node 42.10147795295601 8.224e-05 deg
peri 300.9371077698935 8.263e-05 deg
M 113.8904116984639 1.0039e-05 deg
tp 2458791.544602160782
(2019-Nov-04.04460216)		 3.4812e-05 TDB
period 1292.680753599419
3.54		 7.1971e-06
1.97e-08		 d
yr
n .2784910342306823 1.5505e-09 deg/d
Q 2.847141783261574 1.0568e-08 au
   Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      8185 days (22.41 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5842  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:46  

Additional Information
 Earth MOID = .790328 au 
 Jupiter MOID = 2.56444 au 
 T_jup = 3.540 
[ 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 16.7   n/a MPO436929  

187773 (1998 RQ71)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

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Alternate Designations
 1998 RQ71 = 2005 SQ10 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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