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30921 (1993 OG6)
Classification: Main-belt Asteroid          SPK-ID: 2030921
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2090517899829571 4.6295e-08  
a 2.44550568447096 6.9114e-09 au
q 1.934268343718809 1.1459e-07 au
i 1.507086041772614 3.4421e-06 deg
node 290.6907689478417 0.0001707 deg
peri 57.01728352690959 0.00017085 deg
M 77.23779994662786 6.6373e-06 deg
tp 2459096.805456508994
(2020-Sep-04.30545651)
2.5887e-05 TDB
period 1396.855370444461
3.82
5.9216e-06
1.621e-08
d
yr
n .2577217424345461 1.0925e-09 deg/d
Q 2.956743025223111 8.3563e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1216  
   data-arc span      10045 days (27.50 yr)  
   first obs. used      1993-07-13  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:50:26  

Additional Information
 Earth MOID = .927248 au 
 Jupiter MOID = 2.46961 au 
 T_jup = 3.468 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457377.5 (2015-Dec-21.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2096481597395153 4.6172e-08  
q 1.932271287155909 1.1436e-07 au
tp 2457701.347105285989
(2016-Nov-08.84710529)
2.7286e-05 TDB
node 290.7267173340839 0.00017082 deg
peri 57.28435684757645 0.00017097 deg
i 1.506652109884422 3.4406e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1216  
   data-arc span      10045 days (27.50 yr)  
   first obs. used      1993-07-13  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:50:26  

Additional Information
 Jupiter MOID = 2.46961 au 
 T_jup = 3.468 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.131868330482811E-15 -5.274341476458146E-15 1.623950198298993E-13 2.866623111040347E-14 -5.648980120435129E-15 -1.188897655036558E-15
q -5.274341476458146E-15 1.307776255059569E-14 -4.509906173617487E-13 -7.211652397276993E-14 6.184487094617071E-16 2.98795507141526E-15
tp 1.623950198298993E-13 -4.509906173617487E-13 7.44528144550936E-10 3.072487467837624E-12 2.166070050040043E-10 -1.951749721464929E-13
node 2.866623111040347E-14 -7.211652397276993E-14 3.072487467837624E-12 2.917867981107412E-8 -2.916833878787249E-8 2.282278548240417E-10
peri -5.648980120435129E-15 6.184487094617071E-16 2.166070050040043E-10 -2.916833878787249E-8 2.922993014074964E-8 -2.282008111070157E-10
i -1.188897655036558E-15 2.98795507141526E-15 -1.951749721464929E-13 2.282278548240417E-10 -2.282008111070157E-10 1.183783145030706E-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 15.49   n/a E2021B10  

30921 (1993 OG6)          Discovered 1993-Jul-20 by Elst, E. W. at La Silla
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 OG6 = 2001 QZ97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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