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101312 (1998 SO138)
Classification: Main-belt Asteroid          SPK-ID: 2101312
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2056591942892669 4.0743e-08  
a 2.62748934319495 1.3488e-08 au
q 2.087122001869842 1.1195e-07 au
i 11.25339995816625 5.0684e-06 deg
node 199.9015750576994 1.6361e-05 deg
peri 217.2066303810594 1.9807e-05 deg
M 5.151304717373843 1.1761e-05 deg
tp 2458978.240028106694
(2020-May-08.74002811)
5.0721e-05 TDB
period 1555.642758729176
4.26
1.1979e-05
3.28e-08
d
yr
n .2314155984591786 1.782e-09 deg/d
Q 3.167856684520059 1.6262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      7802 days (21.36 yr)  
   first obs. used      1998-09-13  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54801  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:18:33  

Additional Information
 Earth MOID = 1.10946 au 
 Jupiter MOID = 2.25432 au 
 T_jup = 3.344 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO449614  
diameter diameter 3.789 km 0.520 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

101312 (1998 SO138)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SO138 = 2002 PS47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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