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(2021 DC2)
Classification: Apollo [NEO, PHA]          SPK-ID: 54125409
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6867161042829414 0.00021724  
a 1.802064390124383 0.00069919 au
q .5645577524711519 0.00017266 au
i 5.52010573180197 0.0028741 deg
node 150.2176080421714 0.0063264 deg
peri 100.7556511571635 0.013652 deg
M 304.158471872274 0.034245 deg
tp 2459337.559353133283
(2021-May-03.05935313)
0.0042854 TDB
period 883.5962908307905
2.42
0.51425
0.001408
d
yr
n .4074258841235225 0.00023712 deg/d
Q 3.039571027777614 0.0011793 au
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      33 days  
   first obs. used      2021-02-05  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .64083  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:13  

Additional Information
 Earth MOID = .0123725 au 
 Jupiter MOID = 2.0459 au 
 T_jup = 3.739 
[ 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 21.7   .51523 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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