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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09433598164915884 3.7059e-08  
a 2.674853978970351 1.3791e-08 au
q 2.422519003096024 9.6685e-08 au
i 5.74652786623713 3.844e-06 deg
node 197.9852056582381 3.8353e-05 deg
peri 337.1876922210171 4.3461e-05 deg
M 107.0566230312822 2.1059e-05 deg
tp 2458125.318434276638
(2018-Jan-06.81843428)
9.2869e-05 TDB
period 1597.896130260196
4.37
1.2357e-05
3.383e-08
d
yr
n .2252962462218235 1.7423e-09 deg/d
Q 2.927188954844677 1.5092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      9057 days (24.80 yr)  
   first obs. used      1994-12-01  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51922  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:12:31  

Additional Information
 Earth MOID = 1.42817 au 
 Jupiter MOID = 2.04254 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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