Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
(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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .303244924310805 0.00037724  
a 1.344789806731661 0.00065258 au
q .9369891235753767 5.2636e-05 au
i 3.205464644571283 0.0045007 deg
node 281.8631878356374 0.0014685 deg
peri 224.0358568881528 0.0025878 deg
M 196.64063568391 0.1416 deg
tp 2459458.976803178787
(2021-Sep-01.47680318)
0.41219 TDB
period 569.6131931825722
1.56
0.41462
0.001135
d
yr
n .6320078332255428 0.00046004 deg/d
Q 1.752590489887946 0.00085047 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 = .00618223 au 
 Jupiter MOID = 3.26167 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 = 3.26167 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-09 04:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin