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65910 (1998 FR21)
Classification: Main-belt Asteroid          SPK-ID: 2065910
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1911422092755396 6.1645e-08  
a 3.134880804515026 2.1651e-08 au
q 2.535672761724543 1.9676e-07 au
i 3.922075090074927 6.8302e-06 deg
node 331.3206482640982 7.5376e-05 deg
peri 176.0963819500941 7.685e-05 deg
M 15.01343878549983 1.3111e-05 deg
tp 2458915.951160187471
(2020-Mar-07.45116019)
7.3768e-05 TDB
period 2027.355808844247
5.55
2.1003e-05
5.75e-08
d
yr
n .1775711981239388 1.8396e-09 deg/d
Q 3.73408884730551 2.5789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      10780 days (29.51 yr)  
   first obs. used      1990-10-16  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:55:24  

Additional Information
 Earth MOID = 1.5474 au 
 Jupiter MOID = 1.28035 au 
 T_jup = 3.180 
[ 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 15.1   n/a MPO240697  
diameter diameter 6.712 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65910 (1998 FR21)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FR21 = 2002 XW63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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