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(2021 DA1)
Classification: Amor [NEO]          SPK-ID: 54123270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459263.5 (2021-Feb-18.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501582828174294 0.00091752  
a 1.244206193108277 0.0017418 au
q 1.057378327680327 0.00033876 au
i 6.020305316883193 0.032752 deg
node 323.9047198355416 0.0062288 deg
peri 216.3858070655997 0.032131 deg
M 337.6385147640785 0.018827 deg
tp 2459294.987277377397
(2021-Mar-21.48727738)
0.040832 TDB
period 506.9171272064567
1.39
1.0645
0.002914
d
yr
n .7101752548466952 0.0014913 deg/d
Q 1.431034058536227 0.0020034 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      13 days  
   first obs. used      2021-02-17  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .22995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:07  

Additional Information
 Earth MOID = .0803661 au 
 Jupiter MOID = 3.53361 au 
 T_jup = 5.144 
[ 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 26.04   .24701 E2021D74 autocmod 2.8

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