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JPL Small-Body Database Browser
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(2021 JT)
Classification: Apollo [NEO]          SPK-ID: 54143220
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3115443582614292 0.00037619  
a 1.32999648016583 0.00061092 au
q .9156435802626068 7.9867e-05 au
i 2.25201027621943 0.0020912 deg
node 51.41701488408218 0.00095931 deg
peri 232.9899383336533 0.0023413 deg
M 4.268131381070795 0.0041539 deg
tp 2459389.857838318283
(2021-Jun-24.35783832)
0.011029 TDB
period 560.240065716615
1.53
0.38601
0.001057
d
yr
n .6425816753029191 0.00044275 deg/d
Q 1.744349380069053 0.00080125 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      6 days  
   first obs. used      2021-05-01  
   last obs. used      2021-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .5081  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-07 05:55:29  

Additional Information
 Earth MOID = .00028798 au 
 Jupiter MOID = 3.40794 au 
 T_jup = 4.872 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459337.5 (2021-May-03.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3135279312131838 0.00037251  
q .9167822454730417 8.2513e-05 au
tp 2459389.499249553774
(2021-Jun-23.99924955)
0.0097702 TDB
node 51.44156585195135 0.00088586 deg
peri 232.5174138126803 0.0012707 deg
i 2.247874971265797 0.0020972 deg
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      6 days  
   first obs. used      2021-05-01  
   last obs. used      2021-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .5081  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-07 05:55:29  

Additional Information
 Jupiter MOID = 3.40794 au 
 T_jup = 4.872 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.38762884271411E-7 -3.070033812981761E-8 -3.629885431009247E-6 3.224810111366832E-7 -1.764306340712568E-7 7.810307801693939E-7
q -3.070033812981761E-8 6.808442614749198E-9 8.002334224011569E-7 -7.081635195944417E-8 3.431776317852028E-8 -1.729200696554844E-7
tp -3.629885431009247E-6 8.002334224011569E-7 9.545740754355602E-5 -8.52846667960953E-6 5.446187322466064E-6 -2.040930454637668E-5
node 3.224810111366832E-7 -7.081635195944417E-8 -8.52846667960953E-6 7.847448158027788E-7 -5.815930789249647E-7 1.806234331881939E-6
peri -1.764306340712568E-7 3.431776317852028E-8 5.446187322466064E-6 -5.815930789249647E-7 1.614582754368291E-6 -9.525206454886554E-7
i 7.810307801693939E-7 -1.729200696554844E-7 -2.040930454637668E-5 1.806234331881939E-6 -9.525206454886554E-7 4.398396662300849E-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 27.34   .27322 MPO622835 autocmod 2.9c

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