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101261 (1998 SS102)
Classification: Main-belt Asteroid          SPK-ID: 2101261
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860725085565607 6.3947e-08  
a 2.475438557577739 2.1181e-08 au
q 2.014827495391615 1.6016e-07 au
i 2.537992812721006 6.6922e-06 deg
node 36.42568914840199 0.00013044 deg
peri 295.3719982509263 0.00013341 deg
M 227.5926197211802 4.0148e-05 deg
tp 2459523.722420981946
(2021-Nov-05.22242098)
0.00016402 TDB
period 1422.579852851534
3.89
1.8258e-05
4.999e-08
d
yr
n .2530613654329399 3.248e-09 deg/d
Q 2.936049619763863 2.5122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      8873 days (24.29 yr)  
   first obs. used      1996-01-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:58:59  

Additional Information
 Earth MOID = 1.00594 au 
 Jupiter MOID = 2.42534 au 
 T_jup = 3.456 
[ 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 16.6   n/a MPO264059  

101261 (1998 SS102)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SS102 = 2002 TX30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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