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(2021 GD3)
Classification: Amor [NEO]          SPK-ID: 54135144
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2138883009464531 0.00020231  
a 1.311761870380892 0.0003648 au
q 1.031191352678782 2.1386e-05 au
i 3.961573985756772 0.0030484 deg
node 33.80307109482571 0.0007265 deg
peri 177.770511314328 0.0029493 deg
M 46.41641514717824 0.021453 deg
tp 2459325.746158193252
(2021-Apr-21.24615819)
0.0031902 TDB
period 548.7580841748364
1.50
0.22891
0.0006267
d
yr
n .6560267818948479 0.00027366 deg/d
Q 1.592332388083003 0.00044283 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      20 days  
   first obs. used      2021-04-05  
   last obs. used      2021-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .46332  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-25 06:19:12  

Additional Information
 Earth MOID = .0259681 au 
 Jupiter MOID = 3.36794 au 
 T_jup = 4.945 
[ 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 26.98   .37341 E2021-HD3 autocmod 2.9c

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