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101211 (1998 SF51)
Classification: Main-belt Asteroid          SPK-ID: 2101211
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1263909156719321 5.9606e-08  
a 2.35416476151004 1.066e-08 au
q 2.056619721660191 1.3908e-07 au
i 6.107521192868091 6.5965e-06 deg
node 204.2326781269617 3.9973e-05 deg
peri 168.3406962367252 4.36e-05 deg
M 6.750811573798354 1.8119e-05 deg
tp 2458975.759572804806
(2020-May-06.25957280)		 6.6333e-05 TDB
period 1319.330823102594
3.61		 8.9615e-06
2.454e-08		 d
yr
n .2728656025434232 1.8534e-09 deg/d
Q 2.65170980135989 1.2008e-08 au
   Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:50  

Additional Information
 Earth MOID = 1.05753 au 
 Jupiter MOID = 2.81448 au 
 T_jup = 3.537 
[ 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 16.2   n/a MPO439692  

101211 (1998 SF51)          Discovered 1998-Sep-26 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1998 SF51 = 2004 GM22 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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