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JPL Small-Body Database Browser
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74085 (1998 OB12)
Classification: Main-belt Asteroid          SPK-ID: 2074085
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2359674323153435 3.5853e-08  
a 2.577248933984498 1.0946e-08 au
q 1.96910212059472 9.2105e-08 au
i 4.826371471237076 4.4805e-06 deg
node 91.89406511755263 4.965e-05 deg
peri 263.2470901793852 5.0888e-05 deg
M 340.4478150018044 1.0154e-05 deg
tp 2458682.577813173449
(2019-Jul-18.07781317)
4.2573e-05 TDB
period 1511.238398428028
4.14
9.6278e-06
2.636e-08
d
yr
n .2382152282356428 1.5176e-09 deg/d
Q 3.185395747374276 1.3529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      7804 days (21.37 yr)  
   first obs. used      1998-07-22  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46793  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:24:32  

Additional Information
 Earth MOID = .970649 au 
 Jupiter MOID = 2.26903 au 
 T_jup = 3.382 
[ 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 14.9   n/a MPO449467  

74085 (1998 OB12)          Discovered 1998-Jul-22 by Broughton, J. at Reedy Creek
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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