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100721 (1998 BD29)
Classification: Main-belt Asteroid          SPK-ID: 2100721
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484044976300462 3.3375e-08  
a 2.269023399069297 9.1709e-09 au
q 1.932290121419598 7.798e-08 au
i 4.403994322096212 4.4302e-06 deg
node 321.5049146001321 4.7893e-05 deg
peri 91.25240902378866 5.0421e-05 deg
M 313.219033779973 1.6407e-05 deg
tp 2459362.727163763542
(2021-May-28.22716376)
5.733e-05 TDB
period 1248.408993525086
3.42
7.5687e-06
2.072e-08
d
yr
n .2883670350559406 1.7483e-09 deg/d
Q 2.605756676718996 1.0532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      8380 days (22.94 yr)  
   first obs. used      1997-12-29  
   last obs. used      2020-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:01  

Additional Information
 Earth MOID = .948469 au 
 Jupiter MOID = 2.73897 au 
 T_jup = 3.595 
[ 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 16.53   n/a E2021B55  

100721 (1998 BD29)          Discovered 1998-Jan-25 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 BD29 = 2000 UV101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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