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JPL Small-Body Database Browser
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100943 (1998 OH4)
Classification: Main-belt Asteroid          SPK-ID: 2100943
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478783518654762 5.109e-08  
a 2.424994051510672 1.0566e-08 au
q 2.06638992788969 1.251e-07 au
i 6.735852150068265 5.327e-06 deg
node 152.7831543992309 3.2839e-05 deg
peri 191.5369323845745 3.5661e-05 deg
M 256.0777922093603 1.3478e-05 deg
tp 2459398.671624601037
(2021-Jul-03.17162460)		 5.2418e-05 TDB
period 1379.318125584359
3.78		 9.0147e-06
2.468e-08		 d
yr
n .260998527694605 1.7058e-09 deg/d
Q 2.783598175131654 1.2128e-08 au
   Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      7945 days (21.75 yr)  
   first obs. used      1998-07-27  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:57:30  

Additional Information
 Earth MOID = 1.059 au 
 Jupiter MOID = 2.61361 au 
 T_jup = 3.487 
[ 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 16.1   n/a MPO267995  

100943 (1998 OH4)          Discovered 1998-Jul-27 by ODAS at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 OH4 = 2002 RU49 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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