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(2021 DW1)
Classification: Apollo [NEO]          SPK-ID: 54123628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2525172923933995 2.4769e-06  
a 1.32691122827891 4.3931e-06 au
q .991843197667519 8.3523e-09 au
i 6.877554271674082 6.3982e-05 deg
node 162.4893202114876 4.7265e-06 deg
peri 10.49879395569443 1.2296e-05 deg
M 71.09578076875208 0.0003526 deg
tp 2459286.243917456064
(2021-Mar-12.74391746)
1.091e-05 TDB
period 558.2917760608129
1.53
0.0027726
7.591e-06
d
yr
n .6448241142652733 3.2023e-06 deg/d
Q 1.6619792588903 5.5025e-06 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      27 days  
   first obs. used      2021-02-16  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .44369  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:13  

Additional Information
 Earth MOID = .00413541 au 
 Jupiter MOID = 3.30035 au 
 T_jup = 4.892 
[ 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 25.02   .26557 E2021G03 autocmod 2.8

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