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(2020 OT)
Classification: Apollo [NEO]          SPK-ID: 54048869
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5892787026403656 0.00030257  
a 1.93425301234955 0.0012809 au
q .794438906653988 5.9162e-05 au
i 9.382297021671434 0.0045997 deg
node 303.2115848789244 0.00075939 deg
peri 88.34215605467733 0.0023349 deg
M 314.4948215398165 0.048107 deg
tp 2459124.701451361621
(2020-Oct-02.20145136)
0.0079302 TDB
period 982.5809721701585
2.69
0.97602
0.002672
d
yr
n .366382018577963 0.00036394 deg/d
Q 3.074067118045112 0.0020357 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      32 days  
   first obs. used      2020-07-18  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38721  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-26 09:35:26  

Additional Information
 Earth MOID = .0619776 au 
 Jupiter MOID = 2.48948 au 
 T_jup = 3.662 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459063.5 (2020-Aug-02.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5892816080692583 0.00030253  
q .7944380537595834 5.9135e-05 au
tp 2459124.702325899317
(2020-Oct-02.20232590)
0.0079281 TDB
node 303.2112104829185 0.00075953 deg
peri 88.3432373934446 0.0023359 deg
i 9.382474917823624 0.0045998 deg
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      32 days  
   first obs. used      2020-07-18  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38721  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-26 09:35:26  

Additional Information
 Jupiter MOID = 2.48948 au 
 T_jup = 3.662 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.152729321837432E-8 -1.789031914506343E-8 -2.398521207875032E-6 2.297061230699327E-7 -7.065908309075144E-7 1.391591951298171E-6
q -1.789031914506343E-8 3.496975848049102E-9 4.688221366048333E-7 -4.489902231145595E-8 1.381046353081062E-7 -2.720054374241656E-7
tp -2.398521207875032E-6 4.688221366048333E-7 6.285474080277635E-5 -6.019574805134615E-6 1.851709827300192E-5 -3.646738699778752E-5
node 2.297061230699327E-7 -4.489902231145595E-8 -6.019574805134615E-6 5.768881098788569E-7 -1.773753738545708E-6 3.492742657303779E-6
peri -7.065908309075144E-7 1.381046353081062E-7 1.851709827300192E-5 -1.773753738545708E-6 5.456595863773404E-6 -1.074343540614603E-5
i 1.391591951298171E-6 -2.720054374241656E-7 -3.646738699778752E-5 3.492742657303779E-6 -1.074343540614603E-5 2.115836787682844E-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 22.866   .40906 21 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
2012-Jul-23 13:58 7_08:36 Earth 0.419387168264433 0.275961019257006 0.564172167347109 27.0197835254203 27.01954839044 2456132.082260308 10596.2921266793 7283975.15513938 22.8249222880905 -8.83509557389967 394039.297334126 T 21 CATAB v2.0f-lin.ifort 2020-Oct-26 09:35:30 2020-Oct-26 09:35
2020-Aug-16 22:05 < 00:01 Earth 0.0622443589657421 0.062157912139613 0.0623308057004693 14.9969143595551 14.9940597166933 2459078.420380204 0.0527695026986387 4309.10989713516 5.53921328136046 -0.0194550082420706 1592.42514016052 T 21 CATAB v2.0f-lin.ifort 2020-Oct-26 09:35:30 2020-Oct-26 09:35
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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