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100947 (1998 OS12)
Classification: Main-belt Asteroid          SPK-ID: 2100947
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2199569059122166 5.0369e-08  
a 2.655918540740313 1.1399e-08 au
q 2.071730916164184 1.2996e-07 au
i 12.63881926966113 2.7744e-06 deg
node 319.6346742121887 2.1845e-05 deg
peri 58.98254489705933 2.6301e-05 deg
M 24.56482466576495 9.6807e-06 deg
tp 2459092.622289489872
(2020-Aug-31.12228949)
4.2771e-05 TDB
period 1580.958802354913
4.33
1.0178e-05
2.787e-08
d
yr
n .227709918477169 1.466e-09 deg/d
Q 3.240106165316441 1.3906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      8282 days (22.67 yr)  
   first obs. used      1998-07-04  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:30  

Additional Information
 Earth MOID = 1.10157 au 
 Jupiter MOID = 2.36445 au 
 T_jup = 3.319 
[ 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 14.76   n/a E2021B55  

100947 (1998 OS12)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 OS12 = 2000 AV62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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