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90791 (1994 PG32)
Classification: Mars-crossing Asteroid          SPK-ID: 2090791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .311108470966685 4.9142e-08  
a 2.200638307454082 8.0873e-09 au
q 1.516001088471329 1.0777e-07 au
i 5.1214363199384 5.6738e-06 deg
node 308.7545242633586 4.469e-05 deg
peri 318.13474524 4.5844e-05 deg
M 359.6277355681791 6.3132e-06 deg
tp 2459001.733020997493
(2020-Jun-01.23302100)
2.0909e-05 TDB
period 1192.398524152292
3.26
6.573e-06
1.8e-08
d
yr
n .3019124837108748 1.6643e-09 deg/d
Q 2.885275526436835 1.0603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      9491 days (25.98 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52819  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:14:00  

Additional Information
 Earth MOID = .505167 au 
 Jupiter MOID = 2.23935 au 
 T_jup = 3.596 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457325.5 (2015-Oct-30.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3111402746933473 4.9133e-08  
q 1.515650371142625 1.0771e-07 au
tp 2457808.939021505968
(2017-Feb-24.43902151)
2.3427e-05 TDB
node 308.7969132611283 4.4677e-05 deg
peri 318.06610648793 4.5832e-05 deg
i 5.122995582803245 5.6747e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      9491 days (25.98 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52819  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:14:00  

Additional Information
 Jupiter MOID = 2.23935 au 
 T_jup = 3.596 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.414049458608257E-15 -5.285034349523679E-15 3.942165653718596E-13 -1.117219472755068E-13 2.393493287081129E-13 -1.158178412582622E-14
q -5.285034349523679E-15 1.160107078006799E-14 -9.32510120729367E-13 2.458660045408199E-13 -5.501654365434096E-13 2.542832386719785E-14
tp 3.942165653718596E-13 -9.32510120729367E-13 5.488098006422546E-10 -3.267070060301988E-11 2.534995887138935E-10 -3.270102816752996E-12
node -1.117219472755068E-13 2.458660045408199E-13 -3.267070060301988E-11 1.99603782388567E-9 -1.998331895342354E-9 -9.290535256386741E-11
peri 2.393493287081129E-13 -5.501654365434096E-13 2.534995887138935E-10 -1.998331895342354E-9 2.100577117257186E-9 9.151546673784309E-11
i -1.158178412582622E-14 2.542832386719785E-14 -3.270102816752996E-12 -9.290535256386741E-11 9.151546673784309E-11 3.220206922932484E-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 16.5   n/a MPO422265  

90791 (1994 PG32)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1994 PG32 = 2001 VB86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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