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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649233402026601 2.4476e-08  
a 2.429646369116134 7.1741e-09 au
q 2.028940974410236 5.9553e-08 au
i 1.368059580820772 3.7843e-06 deg
node 229.2820514229516 0.0001687 deg
peri 37.32123000403496 0.00016939 deg
M 54.76353022174676 1.5461e-05 deg
tp 2458790.072757810603
(2019-Nov-02.57275781)
5.9326e-05 TDB
period 1383.289332909016
3.79
6.1267e-06
1.677e-08
d
yr
n .2602492417424566 1.1527e-09 deg/d
Q 2.830351763822033 8.3572e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1949  
   data-arc span      10932 days (29.93 yr)  
   first obs. used      1990-11-19  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:06  

Additional Information
 Earth MOID = 1.01323 au 
 Jupiter MOID = 2.25107 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456861.5 (2014-Jul-23.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644760830858728 2.4576e-08  
q 2.031534800697409 5.9777e-08 au
tp 2457405.753978681602
(2016-Jan-18.25397868)
5.9379e-05 TDB
node 229.4350083067307 0.00016872 deg
peri 37.00096239663437 0.00016941 deg
i 1.367539508451666 3.7811e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1949  
   data-arc span      10932 days (29.93 yr)  
   first obs. used      1990-11-19  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:06  

Additional Information
 Jupiter MOID = 2.25107 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.039836214083705E-16 -1.461731405897293E-15 -1.749710096453241E-13 -8.332490702057167E-16 -4.224486798181691E-14 6.701156203297314E-17
q -1.461731405897293E-15 3.573236968966915E-15 4.263599488519347E-13 4.121265166803762E-15 9.786999317573949E-14 -2.14818925253301E-16
tp -1.749710096453241E-13 4.263599488519347E-13 3.525850548405507E-9 -1.995986815923507E-15 9.27445749793184E-10 -2.112857951686601E-13
node -8.332490702057167E-16 4.121265166803762E-15 -1.995986815923507E-15 2.846571684571322E-8 -2.845758853824661E-8 -2.983328600583962E-10
peri -4.224486798181691E-14 9.786999317573949E-14 9.27445749793184E-10 -2.845758853824661E-8 2.869994615205695E-8 2.982040818765355E-10
i 6.701156203297314E-17 -2.14818925253301E-16 -2.112857951686601E-13 -2.983328600583962E-10 2.982040818765355E-10 1.429689808274222E-11

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 24 CATAB v2.0f-lin.ifort 2020-Nov-13 01:21:11 2020-Nov-13 01:21

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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