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101283 (1998 SJ118)
Classification: Main-belt Asteroid          SPK-ID: 2101283
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2701083053987017 5.1845e-08  
a 2.771925073340139 1.8724e-08 au
q 2.023205089088062 1.4782e-07 au
i 32.35717919872794 9.0796e-06 deg
node 16.084842203413 1.0366e-05 deg
peri 116.0524717426723 1.8796e-05 deg
M 209.465810191328 1.4303e-05 deg
tp 2459905.360714707019
(2022-Nov-21.86071471)
6.9438e-05 TDB
period 1685.662623335212
4.62
1.708e-05
4.676e-08
d
yr
n .2135658672241973 2.1639e-09 deg/d
Q 3.520645057592215 2.3782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      7198 days (19.71 yr)  
   first obs. used      1998-09-18  
   last obs. used      2018-06-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5024  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:04  

Additional Information
 Earth MOID = 1.17217 au 
 Jupiter MOID = 1.88246 au 
 T_jup = 3.064 
[ 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 14.1   n/a MPO436473  
diameter diameter 6.137 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.129   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101283 (1998 SJ118)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SJ118 = 2000 EG105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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