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(2021 DL)
Classification: Amor [NEO]          SPK-ID: 54123254
[ 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 2459262.5 (2021-Feb-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4096041540324115 0.00090344  
a 1.724466478858667 0.0027232 au
q 1.018117845628511 5.0195e-05 au
i 5.181758549157551 0.0089197 deg
node 337.9545161485766 0.0029158 deg
peri 189.8154442417179 0.0077131 deg
M 351.4097963125572 0.018374 deg
tp 2459282.237017353390
(2021-Mar-08.73701735)		 0.0045749 TDB
period 827.1429299874442
2.26		 1.9593
0.005364		 d
yr
n .4352331222917721 0.001031 deg/d
Q 2.430815112088822 0.0038387 au
   Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      6 days  
   first obs. used      2021-02-16  
   last obs. used      2021-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .47854  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-22 05:18:46  

Additional Information
 Earth MOID = .028758 au 
 Jupiter MOID = 2.54524 au 
 T_jup = 4.063 
[ 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 25.07   .35186 E2021D77 autocmod 2.8

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