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101250 (1998 SR91)
Classification: Main-belt Asteroid          SPK-ID: 2101250
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480199629036056 4.0052e-08  
a 2.378013999271523 8.8592e-09 au
q 2.026020455315097 9.7193e-08 au
i 4.181861998970139 4.4359e-06 deg
node 319.8687197404113 5.8321e-05 deg
peri 78.42944191778716 6.0125e-05 deg
M 306.4391712605899 1.4537e-05 deg
tp 2459199.780509422272
(2020-Dec-16.28050942)		 5.4336e-05 TDB
period 1339.430047676442
3.67		 7.485e-06
2.049e-08		 d
yr
n .2687710348326924 1.5019e-09 deg/d
Q 2.730007543227949 1.0171e-08 au
   Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1998-08-27  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:36  

Additional Information
 Earth MOID = 1.03831 au 
 Jupiter MOID = 2.68742 au 
 T_jup = 3.522 
[ 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 15.9   n/a MPO436472  

101250 (1998 SR91)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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