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(2021 DC1)
Classification: Apollo [NEO]          SPK-ID: 54123272
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248678091209277 0.00021978  
a 1.035771623784354 0.0001746 au
q .9064370903727764 7.5138e-05 au
i 13.27823883152599 0.020072 deg
node 147.9629474791782 0.00096416 deg
peri 86.27193599608118 0.029957 deg
M 43.80204650131996 0.11519 deg
tp 2458953.652508481771
(2020-Apr-14.15250848)
0.13504 TDB
period 385.0298854427783
1.05
0.097357
0.0002665
d
yr
n .9349923567257792 0.00023642 deg/d
Q 1.165106157195932 0.0001964 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      4 days  
   first obs. used      2021-02-18  
   last obs. used      2021-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .31804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-22 05:18:46  

Additional Information
 Earth MOID = .0144246 au 
 Jupiter MOID = 3.83619 au 
 T_jup = 5.885 
[ 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 26.24   .35765 E2021D77 autocmod 2.8

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