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JPL Small-Body Database Browser
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(2020 AJ1)
Classification: Apollo [NEO]          SPK-ID: 3973548
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 2458853.5 (2020-Jan-05.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6201118366153299 0.00086102  
a 1.439031792146981 0.0025707 au
q .5466711445708669 0.00026247 au
i 22.92310449665496 0.036409 deg
node 102.1595240579351 0.00021221 deg
peri 104.333728051549 0.017451 deg
M 328.8584298932948 0.10613 deg
tp 2458908.043375886639
(2020-Feb-28.54337589)
0.039733 TDB
period 630.5274670451577
1.73
1.6896
0.004626
d
yr
n .5709505434982378 0.0015299 deg/d
Q 2.331392439723095 0.0041648 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      3 days  
   first obs. used      2020-01-04  
   last obs. used      2020-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .28215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:13:24  

Additional Information
 Earth MOID = .0299987 au 
 Jupiter MOID = 2.90503 au 
 T_jup = 4.376 
[ 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 23.3   .50375 E2020A81 autocmod 2.8

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