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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205805354534231 3.2012e-08  
a 2.627904792389733 1.1345e-08 au
q 2.087067914909759 8.5694e-08 au
i 11.25310250049259 4.4294e-06 deg
node 199.8951528081195 1.6181e-05 deg
peri 217.2108571576206 1.9486e-05 deg
M 51.42146307053773 1.0701e-05 deg
tp 2458978.243333806586
(2020-May-08.74333381)		 4.555e-05 TDB
period 1556.011732296911
4.26		 1.0076e-05
2.759e-08		 d
yr
n .2313607233980074 1.4982e-09 deg/d
Q 3.168741669869706 1.368e-08 au
   Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      8219 days (22.50 yr)  
   first obs. used      1998-09-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52267  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:12  

Additional Information
 Earth MOID = 1.1086 au 
 Jupiter MOID = 2.25443 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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