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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986605709527146 3.6201e-08  
a 2.802802866833048 1.3925e-08 au
q 2.245996449040089 1.0349e-07 au
i .8552139698658412 4.3901e-06 deg
node 292.523739839265 0.00028755 deg
peri 72.9164731655987 0.00028781 deg
M 104.0684230309265 1.1564e-05 deg
tp 2458901.045554705949
(2020-Feb-21.54555471)
5.42e-05 TDB
period 1713.907015318692
4.69
1.2773e-05
3.497e-08
d
yr
n .210046400873772 1.5654e-09 deg/d
Q 3.359609284626006 1.6692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      8422 days (23.06 yr)  
   first obs. used      1998-01-18  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5787  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:39  

Additional Information
 Earth MOID = 1.24365 au 
 Jupiter MOID = 2.10718 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 15.22   n/a MPCxxxxx  
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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