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385237 (2000 SQ281)
Classification: Main-belt Asteroid          SPK-ID: 2385237
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2310331601197652 4.4491e-08  
a 2.556032794667869 2.3227e-08 au
q 1.965504460745997 1.0966e-07 au
i 4.743518054583698 4.8532e-06 deg
node 217.570449174714 0.00010798 deg
peri 200.1117027222674 0.00011134 deg
M 304.3098200102863 3.2078e-05 deg
tp 2459431.400131420553
(2021-Aug-04.90013142)
0.00013508 TDB
period 1492.615885363497
4.09
2.0346e-05
5.57e-08
d
yr
n .2411873031301212 3.2876e-09 deg/d
Q 3.146561128589742 2.8593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      7217 days (19.76 yr)  
   first obs. used      2000-09-23  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:38  

Additional Information
 Earth MOID = .97758 au 
 Jupiter MOID = 2.21455 au 
 T_jup = 3.395 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.93   n/a E2021B25  

385237 (2000 SQ281)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19

Alternate Designations
 2000 SQ281 = 2004 RK94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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