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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646523625967714 2.3285e-08  
a 2.429634844426014 6.8277e-09 au
q 2.029589727043831 5.6414e-08 au
i 1.367902159282523 3.7771e-06 deg
node 229.2796973402165 0.00015617 deg
peri 37.30406783393337 0.0001569 deg
M 157.8738163750102 1.5267e-05 deg
tp 2458789.878854668134
(2019-Nov-02.37885467)
5.8415e-05 TDB
period 1383.27949075943
3.79
5.8309e-06
1.596e-08
d
yr
n .2602510934376375 1.097e-09 deg/d
Q 2.829679961808196 7.9519e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2053  
   data-arc span      11065 days (30.29 yr)  
   first obs. used      1990-11-19  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49647  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:20:01  

Additional Information
 Earth MOID = 1.01384 au 
 Jupiter MOID = 2.24942 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457109.5 (2015-Mar-28.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641852807617833 2.331e-08  
q 2.03141038151036 5.6433e-08 au
tp 2457406.575323366116
(2016-Jan-19.07532337)
5.8568e-05 TDB
node 229.3195012187686 0.00015617 deg
peri 37.32906304734334 0.0001569 deg
i 1.367440392229601 3.7775e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2053  
   data-arc span      11065 days (30.29 yr)  
   first obs. used      1990-11-19  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49647  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:20:01  

Additional Information
 Jupiter MOID = 2.24942 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.433508578793268E-16 -1.308633724531621E-15 -2.407576691296938E-13 -1.225682200549285E-15 -6.150097463506057E-14 8.614754866209074E-17
q -1.308633724531621E-15 3.184639128746647E-15 5.740306555115258E-13 2.434480748193421E-15 1.452062590607125E-13 -1.929189772446585E-16
tp -2.407576691296938E-13 5.740306555115258E-13 3.430234931625252E-9 1.914451926052542E-12 9.015257981522789E-10 -2.725160686487671E-13
node -1.225682200549285E-15 2.434480748193421E-15 1.914451926052542E-12 2.438902407757991E-8 -2.438147411911782E-8 -2.912532635357743E-10
peri -6.150097463506057E-14 1.452062590607125E-13 9.015257981522789E-10 -2.438147411911782E-8 2.461764303762997E-8 2.911098260339918E-10
i 8.614754866209074E-17 -1.929189772446585E-16 -2.725160686487671E-13 -2.912532635357743E-10 2.911098260339918E-10 1.426927161418319E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.62   n/a MPCxxxxx  

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

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