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70028 (1999 BM17)
Classification: Main-belt Asteroid          SPK-ID: 2070028
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126617370306384 4.0522e-08  
a 3.163110197558054 1.9281e-08 au
q 2.806748708281837 1.3178e-07 au
i 13.11360591753307 5.1464e-06 deg
node 13.98170837419578 1.5751e-05 deg
peri 40.56489794032683 2.7286e-05 deg
M 324.619737124435 2.0316e-05 deg
tp 2459202.442842468597
(2020-Dec-18.94284247)
0.000116 TDB
period 2054.801671326868
5.63
1.8788e-05
5.144e-08
d
yr
n .1751993902981077 1.6019e-09 deg/d
Q 3.51947168683427 2.1453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1019  
   data-arc span      10272 days (28.12 yr)  
   first obs. used      1992-10-02  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:09  

Additional Information
 Earth MOID = 1.83055 au 
 Jupiter MOID = 1.99661 au 
 T_jup = 3.154 
[ 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 13.9   n/a MPO453103  
diameter diameter 4.997 km 0.273 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.234   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70028 (1999 BM17)          Discovered 1999-Jan-16 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 BM17 = 2000 GW158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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