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52664 (1998 BA21)
Classification: Main-belt Asteroid          SPK-ID: 2052664
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08170988496725855 3.9194e-08  
a 2.867390858136373 1.3542e-08 au
q 2.633096680961882 1.1608e-07 au
i 3.169370083752226 3.3277e-06 deg
node 115.9556130388933 7.3476e-05 deg
peri 226.2174475530522 7.8001e-05 deg
M 25.00250153985168 2.4323e-05 deg
tp 2459077.328640993717
(2020-Aug-15.82864099)
0.00012007 TDB
period 1773.490111442855
4.86
1.2564e-05
3.44e-08
d
yr
n .2029895727510516 1.438e-09 deg/d
Q 3.101685035310866 1.4649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      10678 days (29.23 yr)  
   first obs. used      1991-10-02  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:46:55  

Additional Information
 Earth MOID = 1.62402 au 
 Jupiter MOID = 2.21593 au 
 T_jup = 3.292 
[ 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 15.08   n/a E2021B10  

52664 (1998 BA21)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BA21 = 1996 VD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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