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JPL Small-Body Database Browser
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(2019 TR2)
Classification: Apollo [NEO]          SPK-ID: 3878582
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .60451296294726 0.00046942  
a 2.140820462378145 0.0023707 au
q .8466667415278095 6.7374e-05 au
i 12.70220305520065 0.008081 deg
node 24.61326218881436 0.0016261 deg
peri 62.68230493098317 0.00012309 deg
M 289.8181545204553 0.11913 deg
tp 2458823.544275269387
(2019-Dec-06.04427527)
0.0081075 TDB
period 1144.112676837238
3.13
1.9004
0.005203
d
yr
n .3146543232045786 0.00052266 deg/d
Q 3.434974183228481 0.0038038 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      17 days  
   first obs. used      2019-10-05  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .42609  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-23 05:55:54  

Additional Information
 Earth MOID = .0326966 au 
 Jupiter MOID = 2.01813 au 
 T_jup = 3.427 
[ show covariance matrix ]

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 23.404   .32 8 autocmod 2.8

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