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(2021 DT)
Classification: Apollo [NEO]          SPK-ID: 54123262
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459262.5 (2021-Feb-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3430606856095473 0.00094228  
a 1.383051908109242 0.001636 au
q .9085811722796927 0.00022863 au
i 4.9104024101479 0.010681 deg
node 2.679146281721799 0.0018877 deg
peri 210.1199842376237 0.011034 deg
M 324.7530675776533 0.066476 deg
tp 2459320.666773230612
(2021-Apr-16.16677323)
0.0067522 TDB
period 594.0953417479316
1.63
1.0541
0.002886
d
yr
n .6059633441003216 0.0010752 deg/d
Q 1.857522643938791 0.0021973 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      16 days  
   first obs. used      2021-02-16  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .54226  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-21 06:22:44  

Additional Information
 Earth MOID = .0240868 au 
 Jupiter MOID = 3.11155 au 
 T_jup = 4.727 
[ 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 25.1   .27107 E2021D54 autocmod 2.8

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