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JPL Small-Body Database Browser
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85166 (1989 OC)
Classification: Main-belt Asteroid          SPK-ID: 2085166
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2962851946001412 4.0433e-08  
a 2.396501480895503 7.8418e-09 au
q 1.686453573268852 9.4895e-08 au
i 8.014383347489533 5.2298e-06 deg
node 306.9071613321023 2.9622e-05 deg
peri 327.648058482232 3.0675e-05 deg
M 6.372813499405638 8.0146e-06 deg
tp 2458576.512019469864
(2019-Apr-03.01201947)
3.0128e-05 TDB
period 1355.080137156759
3.71
6.6511e-06
1.821e-08
d
yr
n .2656669448017703 1.304e-09 deg/d
Q 3.106549388522154 1.0165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      11088 days (30.36 yr)  
   first obs. used      1989-07-21  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52154  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:01:43  

Additional Information
 Earth MOID = .675972 au 
 Jupiter MOID = 2.06419 au 
 T_jup = 3.455 
[ 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 15.1   n/a MPO280328  

85166 (1989 OC)          Discovered 1989-Jul-21 by McNaught, R. H. at Siding Spring
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2085-Feb-28 15:12 00:01 Iris 0.0384667323204491 0.0384653661976136 0.0384681021677934 9.72768427315508 9.727684257792 2482650.133623183 1.42914512577405 834.336290734657 47.496242898595 86.6310425528602 120936.011036326 T 22 CATAB v2.0f-lin.ifort 2019-Dec-14 08:01:49 2019-Dec-14 08:01

Alternate Designations
 1989 OC = 2000 JM79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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