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(2020 AO1)
Classification: Apollo [NEO]          SPK-ID: 3976531
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .627665806084558 0.0013563  
a 1.912341019641234 0.0060256 au
q .7120299520395531 0.00035032 au
i 4.190948590679905 0.0074798 deg
node 294.6383348690713 0.0028861 deg
peri 252.1142812479732 0.0022295 deg
M 340.487574106837 0.10564 deg
tp 2458905.854643159318
(2020-Feb-26.35464316)
0.036004 TDB
period 965.9317421909367
2.64
4.5653
0.0125
d
yr
n .3726971423295855 0.0017615 deg/d
Q 3.112652087242914 0.0098077 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      5 days  
   first obs. used      2020-01-04  
   last obs. used      2020-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .36345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:13:24  

Additional Information
 Earth MOID = .001738 au 
 Jupiter MOID = 1.87896 au 
 T_jup = 3.662 
[ 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 23.7   .36167 E2020-AB0 autocmod 2.8

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1959-Jun-10 16:56 01:39 Earth 0.0664625125849547 0.0616868207451432 0.0716038882946486 15.4692560353174 15.4666642289216 2436730.205434126 98.8388755612927 348808.199243873 149.434702079516 -44.6944978674292 63441.0583380116 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 22:13:24 2021-Apr-15 22:13
2020-Jan-12 19:18 < 00:01 Earth 0.0218663601892504 0.0217361015785795 0.021996617600368 17.7190573666407 17.7121790914642 2458861.303919307 0.475661830804687 6490.41573995014 22.9188580265339 0.0181146840466883 392.11480755398 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 22:13:24 2021-Apr-15 22:13
2020-May-24 19:15 09:53 Mars 0.0601653391517555 0.0585615992765689 0.0618326053961203 17.7852812362903 17.7850136878933 2458994.301811648 592.988591604592 127128.189241211 1563.88281926385 50.0744857332561 4527.81969178197 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 22:13:24 2021-Apr-15 22:13
2170-Jun-28 11:17 07:19 Venus 0.0959338314060589 0.0958730048042921 0.0960884597539202 14.383010589088 14.381436710895 2513814.970236446 439.432936918092 200642.478286706 2560.65836779652 89.0824865076013 5983.91588378996 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 22:13:24 2021-Apr-15 22:13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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