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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1486147136193355 3.3651e-08  
a 2.270093343889358 9.267e-09 au
q 1.932724071698082 7.8538e-08 au
i 4.402993474293269 4.4372e-06 deg
node 321.5076062269429 4.8395e-05 deg
peri 91.08233083895101 5.087e-05 deg
M 255.7545972681874 1.6225e-05 deg
tp 2459362.258222036281
(2021-May-27.75822204)
5.728e-05 TDB
period 1249.292117640002
3.42
7.6499e-06
2.094e-08
d
yr
n .2881631885103578 1.7645e-09 deg/d
Q 2.607462616080635 1.0644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      8331 days (22.81 yr)  
   first obs. used      1997-12-29  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:37  

Additional Information
 Earth MOID = .949666 au 
 Jupiter MOID = 2.73798 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 16.5   n/a MPO432534  

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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