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187893 (2000 SF85)
Classification: Main-belt Asteroid          SPK-ID: 2187893
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2746574071720758 1.0973e-07  
a 2.557344228358549 2.233e-08 au
q 1.854950693351117 2.9336e-07 au
i 12.311707224819 6.0341e-06 deg
node 41.29127293132368 3.7519e-05 deg
peri 275.4588913046737 3.8812e-05 deg
M 14.88753740225557 1.2218e-05 deg
tp 2459138.726447708781
(2020-Oct-16.22644771)
5.0179e-05 TDB
period 1493.764766056577
4.09
1.9565e-05
5.357e-08
d
yr
n .2410018017431031 3.1565e-09 deg/d
Q 3.259737763365981 2.8463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      10716 days (29.34 yr)  
   first obs. used      1991-04-21  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56699  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:15  

Additional Information
 Earth MOID = .889307 au 
 Jupiter MOID = 2.22198 au 
 T_jup = 3.352 
[ 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 15.62   n/a E2021B55  
diameter diameter 2.174 km 0.476 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.215   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

187893 (2000 SF85)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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