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27812 (1993 OJ8)
Classification: Main-belt Asteroid          SPK-ID: 2027812
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649233701184372 3.0695e-08  
a 2.429646367558056 8.8437e-09 au
q 2.028940900424362 7.7017e-08 au
i 1.368060247810607 3.8813e-06 deg
node 229.2820337662208 0.00019086 deg
peri 37.32123625047399 0.00019152 deg
M 54.76353852748442 1.5939e-05 deg
tp 2458790.072726098466
(2019-Nov-02.57272610)
6.1234e-05 TDB
period 1383.289331578407
3.79
7.5526e-06
2.068e-08
d
yr
n .2602492419927946 1.4209e-09 deg/d
Q 2.83035183469175 1.0302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1511  
   data-arc span      10400 days (28.47 yr)  
   first obs. used      1990-11-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52936  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:29:00  

Additional Information
 Earth MOID = 1.01323 au 
 Jupiter MOID = 2.25107 au 
 T_jup = 3.489 
[ 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 14.6   n/a MPO474129  

27812 (1993 OJ8)          Discovered 1993-Jul-20 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ 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
2191-Feb-24 09:50 < 00:01 Amphi 0.0263952403200334 0.0263919933548271 0.0263985056669118 4.91522167611559 4.91522163180532 2521360.909603672 0.877994954847855 1134.72539739866 34.0823687848474 -81.9582708747155 114676.896860036 T 21 CATAB v2.0e-lin.ifort 2019-May-30 03:29:08 2019-May-30 03:29

Alternate Designations
 1993 OJ8 = 2000 EV38 = 2001 RE144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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