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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08209771335742327 4.3683e-08  
a 2.868584847200345 1.9192e-08 au
q 2.633080590673444 1.3407e-07 au
i 3.16929933485861 4.3497e-06 deg
node 115.9540185846674 8.9917e-05 deg
peri 226.1646489883584 9.5409e-05 deg
M 344.4598578557473 3.3479e-05 deg
tp 2459077.104179109927
(2020-Aug-15.60417911)
0.00016529 TDB
period 1774.597955641798
4.86
1.7809e-05
4.876e-08
d
yr
n .2028628506279345 2.0359e-09 deg/d
Q 3.104089103727247 2.0768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      806  
   data-arc span      10159 days (27.81 yr)  
   first obs. used      1991-10-02  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:32:42  

Additional Information
 Earth MOID = 1.62585 au 
 Jupiter MOID = 2.21508 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 15.0   n/a MPO347879  

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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