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65930 (1998 FS57)
Classification: Main-belt Asteroid          SPK-ID: 2065930
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3186209106489887 6.2577e-08  
a 2.58058679724106 1.7396e-08 au
q 1.758357881895356 1.7074e-07 au
i 8.503656284780574 5.2194e-06 deg
node 350.1069490067379 3.1314e-05 deg
peri 322.6300756056499 3.2602e-05 deg
M 33.25292036429421 1.4431e-05 deg
tp 2458860.636811454860
(2020-Jan-12.13681145)
5.9522e-05 TDB
period 1514.175216030509
4.15
1.5311e-05
4.192e-08
d
yr
n .2377531980372517 2.4041e-09 deg/d
Q 3.402815712586763 2.2939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      14914 days (40.83 yr)  
   first obs. used      1978-09-05  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61331  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:48:19  

Additional Information
 Earth MOID = .753734 au 
 Jupiter MOID = 1.9448 au 
 T_jup = 3.337 
[ 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 15.0   n/a MPO253778  
diameter diameter 3.153 km 0.594 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.057   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65930 (1998 FS57)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FS57 = 1978 RJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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