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JPL Small-Body Database Browser
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(2020 AT1)
Classification: Apollo [NEO]          SPK-ID: 3976536
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3031013550388927 0.0003943  
a 1.344715307550258 0.00068167 au
q .9371302756902339 5.5179e-05 au
i 3.205217090447471 0.0047095 deg
node 281.8669158707403 0.0015394 deg
peri 224.0076351522104 0.0027077 deg
M 70.29064314961583 0.051819 deg
tp 2458889.291248219508
(2020-Feb-09.79124822)
0.0025904 TDB
period 569.5658603629677
1.56
0.43309
0.001186
d
yr
n .632060355181019 0.00048061 deg/d
Q 1.752300339410283 0.00088828 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      2 days  
   first obs. used      2020-01-05  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .76461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-08 06:23:49  

Additional Information
 Earth MOID = .00623939 au 
 Jupiter MOID = 3.26274 au 
 T_jup = 4.837 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458853.5 (2020-Jan-05.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3026488800355678 0.00039569  
q .9373402947453064 5.575e-05 au
tp 2458889.342603488801
(2020-Feb-09.84260349)
0.0028355 TDB
node 282.3966015310144 0.00061129 deg
peri 223.5061227310065 0.0046364 deg
i 3.430062976425028 0.0041026 deg
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      2 days  
   first obs. used      2020-01-05  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .76461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-08 06:23:49  

Additional Information
 Jupiter MOID = 3.26274 au 
 T_jup = 4.837 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.565708956199068E-7 -2.205538085583495E-8 -1.117113448138938E-6 -2.412463430695291E-7 1.829793243659644E-6 1.61651488935349E-6
q -2.205538085583495E-8 3.10808857286116E-9 1.571940486852848E-7 3.400997464471927E-8 -2.580608767479974E-7 -2.27452106934344E-7
tp -1.117113448138938E-6 1.571940486852848E-7 8.040278909580184E-6 1.723250320039918E-6 -1.297262237444857E-5 -1.150525229958469E-5
node -2.412463430695291E-7 3.400997464471927E-8 1.723250320039918E-6 3.73680206688635E-7 -2.821739582595838E-6 -2.476181009977656E-6
peri 1.829793243659644E-6 -2.580608767479974E-7 -1.297262237444857E-5 -2.821739582595838E-6 2.149653224181286E-5 1.888234002929032E-5
i 1.61651488935349E-6 -2.27452106934344E-7 -1.150525229958469E-5 -2.476181009977656E-6 1.888234002929032E-5 1.683108945047752E-5

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 27.6   .25872 E2020A92 autocmod 2.8

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