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(2021 DP1)
Classification: Apollo [NEO]          SPK-ID: 54123431
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5958497691677292 0.0005706  
a 2.401781560888609 0.0033504 au
q .9706805722418229 1.6394e-05 au
i 3.138852521743997 0.0022047 deg
node 331.2463210096901 0.00041609 deg
peri 207.4873208444661 0.0034985 deg
M 336.912247162442 0.04861 deg
tp 2459287.692243026973
(2021-Mar-14.19224303)
0.0011391 TDB
period 1359.560963362703
3.72
2.8448
0.007789
d
yr
n .2647913625804505 0.00055407 deg/d
Q 3.832882549535396 0.0053468 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      6 days  
   first obs. used      2021-02-18  
   last obs. used      2021-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36894  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-28 05:51:52  

Additional Information
 Earth MOID = .00743556 au 
 Jupiter MOID = 1.1466 au 
 T_jup = 3.256 
[ 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 25.94   .40096 E2021-DA1 autocmod 2.8

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