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(2020 AT1)
Classification: Apollo [NEO]          SPK-ID: 3976536
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3031517963592406 0.00037717  
a 1.344802341496041 0.00065221 au
q .9371230959234034 5.2739e-05 au
i 3.20579391081181 0.0045022 deg
node 281.8671025353316 0.0014702 deg
peri 224.0080191143112 0.0025758 deg
M 70.28401511788371 0.049563 deg
tp 2458889.290938815199
(2020-Feb-09.79093882)		 0.0024919 TDB
period 569.6211572343886
1.56		 0.41439
0.001135		 d
yr
n .6319989969260686 0.00045977 deg/d
Q 1.752481587068679 0.00084993 au
   Orbit Determination Parameters
   # obs. used (total)      31  
   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      .75448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-15 06:07:43  

Additional Information
 Earth MOID = .00624036 au 
 Jupiter MOID = 3.26256 au 
 T_jup = 4.837 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458853.5 (2020-Jan-05.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3026994917537738 0.00037851  
q .9373330383177246 5.3284e-05 au
tp 2458889.342264681978
(2020-Feb-09.84226468)		 0.002727 TDB
node 282.3965208699813 0.00058467 deg
peri 223.5067504403545 0.0044176 deg
i 3.430564146642799 0.0039221 deg
   Orbit Determination Parameters
   # obs. used (total)      31  
   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      .75448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-15 06:07:43  

Additional Information
 Jupiter MOID = 3.26256 au 
 T_jup = 4.837 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.432663438554117E-7 -2.016395407286937E-8 -1.027498542103155E-6 -2.20726670136414E-7 1.667415232496901E-6 1.478498647301715E-6
q -2.016395407286937E-8 2.839147664842388E-9 1.444480453484625E-7 3.108969381185306E-8 -2.349751873638078E-7 -2.078607397856958E-7
tp -1.027498542103155E-6 1.444480453484625E-7 7.436317347935792E-6 1.584722205115877E-6 -1.187837707179472E-5 -1.057852661097885E-5
node -2.20726670136414E-7 3.108969381185306E-8 1.584722205115877E-6 3.418436575201483E-7 -2.571149044526136E-6 -2.265094492472355E-6
peri 1.667415232496901E-6 -2.349751873638078E-7 -1.187837707179472E-5 -2.571149044526136E-6 1.951502246862884E-5 1.719941568576634E-5
i 1.478498647301715E-6 -2.078607397856958E-7 -1.057852661097885E-5 -2.265094492472355E-6 1.719941568576634E-5 1.538267573693643E-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 27.5   .25872 MPO545158 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
2009-May-04 12:46 7_17:26 Earth 0.464239608621591 0.319914871400115 0.609216766564866 19.7506463812112 19.7503557835954 2454956.031598803 11126.1456116733 7265195.38315451 913.721030002839 6.52873338092812 7428.5819644257 T 5 CATAB v2.0f-lin.ifort 2020-Apr-15 06:07:45 2020-Apr-15 06:08
2020-Jan-08 18:17 00:04 Moon 0.00552043243269137 0.00549625110104733 0.00554461478899648 6.19804241539433 6.19708450543176 2458857.262105938 3.78052849957735 1211.67345046755 29.2720509074162 5.76034576618983 2672.6750528638 T 5 CATAB v2.0f-lin.ifort 2020-Apr-15 06:07:45 2020-Apr-15 06:08
2020-Jan-09 11:55 < 00:01 Earth 0.00633938630613782 0.00631527555116527 0.00636349329609274 6.22829267403799 6.16043979803496 2458857.996855590 0.683036927713723 1176.98239189991 15.564832285402 -0.519768077652071 456.164230275314 T 5 CATAB v2.0f-lin.ifort 2020-Apr-15 06:07:45 2020-Apr-15 06:08
2067-Apr-23 08:10 4_13:39 Mars 0.0648148586079572 0.0245354815414396 0.108267660728231 10.639166341944 10.6387511657114 2476128.840067365 6579.23304646022 2208210.28948568 399.561774013664 -14.4060892762894 5890.87281988814 T 5 CATAB v2.0f-lin.ifort 2020-Apr-15 06:07:45 2020-Apr-15 06:08
2094-Dec-17 05:20 7_04:09 Earth 0.258436205111946 0.118599430722202 0.398262481314398 14.007445961668 14.0067099046523 2486228.721962622 10328.7085082696 6972349.00485785 71.4653580556894 -0.244699317153733 1790.31792821204 T 5 CATAB v2.0f-lin.ifort 2020-Apr-15 06:07:45 2020-Apr-15 06:08
2095-Jun-03 12:03 8_14:50 Earth 0.439466711721574 0.36457839558072 0.51488370209885 6.13089782232364 6.12990881997085 2486397.001972438 12409.9538727715 3823895.83736928 572.617767838566 -11.4002456604375 11615.5658354771 T 5 CATAB v2.0f-lin.ifort 2020-Apr-15 06:07:45 2020-Apr-15 06:08
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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