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46985 (1998 SA163)
Classification: Main-belt Asteroid          SPK-ID: 2046985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09459777653191649 3.6991e-08  
a 2.673702286585713 1.3496e-08 au
q 2.420775995166403 9.6304e-08 au
i 5.747208493521722 3.7883e-06 deg
node 197.9711232824834 3.8002e-05 deg
peri 336.9236028249352 4.3003e-05 deg
M 197.5166900840142 2.1008e-05 deg
tp 2459721.232746566233
(2022-May-21.73274657)
9.4671e-05 TDB
period 1596.864249614332
4.37
1.2091e-05
3.31e-08
d
yr
n .2254418308174572 1.7069e-09 deg/d
Q 2.926628578005023 1.4773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1264  
   data-arc span      9101 days (24.92 yr)  
   first obs. used      1994-12-01  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51725  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:38:37  

Additional Information
 Earth MOID = 1.42608 au 
 Jupiter MOID = 2.04205 au 
 T_jup = 3.366 
[ 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 14.3   n/a MPO302329  
diameter diameter 3.847 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.249   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46985 (1998 SA163)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SA163 = 2000 AH125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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