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JPL Small-Body Database Browser
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85566 (1998 BM9)
Classification: Main-belt Asteroid          SPK-ID: 2085566
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986474680809999 3.8107e-08  
a 2.803019281913381 1.4802e-08 au
q 2.246206598579065 1.0969e-07 au
i .8551141253508913 4.4266e-06 deg
node 292.5208478230046 0.00029897 deg
peri 72.69772314774603 0.00029921 deg
M 297.0362052512247 1.1325e-05 deg
tp 2458900.296079052335
(2020-Feb-20.79607905)
5.4415e-05 TDB
period 1714.105525079392
4.69
1.3578e-05
3.717e-08
d
yr
n .2100220754981382 1.6636e-09 deg/d
Q 3.359831965247696 1.7743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      840  
   data-arc span      7950 days (21.77 yr)  
   first obs. used      1998-01-18  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59717  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:12:47  

Additional Information
 Earth MOID = 1.24375 au 
 Jupiter MOID = 2.10158 au 
 T_jup = 3.295 
[ 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 15.2   n/a MPO351442  
diameter diameter 2.600 km 0.585 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.217   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85566 (1998 BM9)          Discovered 1998-Jan-18 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 BM9 = 2001 VC25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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