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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1862025808473891 6.3968e-08  
a 2.475204574581268 2.1034e-08 au
q 2.014315094668972 1.6024e-07 au
i 2.538139521954172 6.6927e-06 deg
node 36.42471350444474 0.00013043 deg
peri 295.3930119920816 0.0001334 deg
M 278.1981422596548 4.0658e-05 deg
tp 2459523.703266456189
(2021-Nov-05.20326646)
0.00016394 TDB
period 1422.378160329259
3.89
1.8131e-05
4.964e-08
d
yr
n .2530972494098654 3.2262e-09 deg/d
Q 2.936094054493563 2.4951e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65513  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:58  

Additional Information
 Earth MOID = 1.00352 au 
 Jupiter MOID = 2.42548 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 16.54   n/a E2021B55  

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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