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JPL Small-Body Database Browser
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(2020 AD1)
Classification: Apollo [NEO]          SPK-ID: 3973543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420654769354395 9.1498e-05  
a 1.04292808701382 4.3981e-05 au
q .8947640109228364 5.7695e-05 au
i 3.834289943553687 0.0026812 deg
node 98.6281816787393 0.001331 deg
peri 96.178193714106 0.0023875 deg
M 61.44222729243743 0.0016883 deg
tp 2458934.103616912816
(2020-Mar-25.60361691)
0.0023783 TDB
period 389.0272043300132
1.07
0.024608
6.737e-05
d
yr
n .925385155570279 5.8536e-05 deg/d
Q 1.191092163104804 5.0229e-05 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      21 days  
   first obs. used      2019-12-28  
   last obs. used      2020-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .32503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-18 05:00:25  

Additional Information
 Earth MOID = .00435319 au 
 Jupiter MOID = 3.7652 au 
 T_jup = 5.874 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458851.5 (2020-Jan-03.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417193941971804 9.1951e-05  
q .8948815284778602 5.7791e-05 au
tp 2458934.294538175204
(2020-Mar-25.79453818)
0.0027846 TDB
node 99.12799435309046 0.00033277 deg
peri 95.86370168737258 0.0029759 deg
i 3.910446800071123 0.002584 deg
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      21 days  
   first obs. used      2019-12-28  
   last obs. used      2020-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .32503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-18 05:00:25  

Additional Information
 Jupiter MOID = 3.7652 au 
 T_jup = 5.874 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.455005068817971E-9 -5.313893168010258E-9 -2.559139437753871E-7 3.054615478684334E-8 2.734399974831709E-7 2.375908286890735E-7
q -5.313893168010258E-9 3.339793017636333E-9 1.608199279850702E-7 -1.91979702414367E-8 -1.718809343486992E-7 -1.493233672367847E-7
tp -2.559139437753871E-7 1.608199279850702E-7 7.753858779557045E-6 -9.243479776770147E-7 -8.266553186138446E-6 -7.190648566846983E-6
node 3.054615478684334E-8 -1.91979702414367E-8 -9.243479776770147E-7 1.107346759386928E-7 9.877091710814757E-7 8.586049799976518E-7
peri 2.734399974831709E-7 -1.718809343486992E-7 -8.266553186138446E-6 9.877091710814757E-7 8.856175442066505E-6 7.68421643420037E-6
i 2.375908286890735E-7 -1.493233672367847E-7 -7.190648566846983E-6 8.586049799976518E-7 7.68421643420037E-6 6.676975158364846E-6

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 26.3   .18937 E2020A92 autocmod 2.8

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