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181785 (1998 BK29)
Classification: Main-belt Asteroid          SPK-ID: 2181785
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160661621564182 6.7944e-08  
a 2.87083135707996 2.7391e-08 au
q 2.409598936014193 1.9397e-07 au
i 12.70656643946169 7.8347e-06 deg
node 313.3937572902965 2.4414e-05 deg
peri 232.3853754066851 3.4247e-05 deg
M 210.1701507692828 2.9592e-05 deg
tp 2459939.944853213117
(2022-Dec-26.44485321)
0.00015389 TDB
period 1776.683007581558
4.86
2.5427e-05
6.962e-08
d
yr
n .2026247780069875 2.8999e-09 deg/d
Q 3.332063778145728 3.1792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      8326 days (22.80 yr)  
   first obs. used      1998-01-25  
   last obs. used      2020-11-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:02  

Additional Information
 Earth MOID = 1.43633 au 
 Jupiter MOID = 1.77557 au 
 T_jup = 3.243 
[ 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 15.8   n/a MPO433185  

181785 (1998 BK29)          Discovered 1998-Jan-25 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1998 BK29 = 2003 BD89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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