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85960 (1999 FR50)
Classification: Main-belt Asteroid          SPK-ID: 2085960
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08456045240261949 5.5516e-08  
a 2.744385558994565 1.9532e-08 au
q 2.512319074558769 1.5604e-07 au
i 8.106089853670483 5.8156e-06 deg
node 338.4161725956985 2.7634e-05 deg
peri 185.98332831367 3.6153e-05 deg
M 157.2614653134072 2.4745e-05 deg
tp 2457875.086001252834
(2017-May-01.58600125)
0.00011232 TDB
period 1660.604134830706
4.55
1.7728e-05
4.854e-08
d
yr
n .2167885725737404 2.3143e-09 deg/d
Q 2.976452043430362 2.1184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      618  
   data-arc span      21577 days (59.07 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53579  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:16:07  

Additional Information
 Earth MOID = 1.52065 au 
 Jupiter MOID = 2.00788 au 
 T_jup = 3.329 
[ 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 15.4   n/a MPO453291  
diameter diameter 4.702 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85960 (1999 FR50)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 FR50 = 2001 TC55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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