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(1991 VG)
Classification: Apollo [NEO]          SPK-ID: 3005816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05246341105676097 1.8033e-08  
a 1.032406424656192 1.7352e-08 au
q .9782428620218129 1.3712e-08 au
i 1.429779140147202 3.3871e-06 deg
node 71.26748604426662 5.0531e-05 deg
peri 26.95658551802605 4.9919e-05 deg
M 294.8173455243297 1.8439e-05 deg
tp 2459269.875162977534
(2021-Feb-24.37516298)
2.064e-05 TDB
period 383.1549799990782
1.05
9.6596e-06
2.645e-08
d
yr
n .939567586987558 2.3687e-08 deg/d
Q 1.086569987290571 1.8262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      9339 days (25.57 yr)  
   first obs. used      1991-11-06  
   last obs. used      2017-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69775  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:44:34  

Additional Information
 Earth MOID = .00190712 au 
 Jupiter MOID = 3.92098 au 
 T_jup = 5.929 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.3   n/a MPO409946  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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