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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1265168402120353 5.5469e-08  
a 2.354619560912736 1.0189e-08 au
q 2.056720534164606 1.2817e-07 au
i 6.107043470501289 6.062e-06 deg
node 204.2300424729829 3.9463e-05 deg
peri 168.397957874054 4.3105e-05 deg
M 61.262908591357 1.8069e-05 deg
tp 2458975.918147675496
(2020-May-06.41814768)		 6.5644e-05 TDB
period 1319.713162431005
3.61		 8.5661e-06
2.345e-08		 d
yr
n .272786549568737 1.7706e-09 deg/d
Q 2.652518587660865 1.1478e-08 au
   Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      8176 days (22.38 yr)  
   first obs. used      1998-09-26  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56519  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:44  

Additional Information
 Earth MOID = 1.05619 au 
 Jupiter MOID = 2.81477 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 16.21   n/a E2021B55  

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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