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(2019 TH2)
Classification: Apollo [NEO]          SPK-ID: 3878575
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4604119729215418 0.00045937  
a 1.85709658094786 0.0016 au
q 1.002067080207806 1.0225e-05 au
i 7.812021617769192 0.0058111 deg
node 15.88605273798691 2.658e-05 deg
peri 22.54563832956527 0.0017206 deg
M 83.64585211069212 0.10657 deg
tp 2458785.720873650936
(2019-Oct-29.22087365)
0.0039174 TDB
period 924.3791955558235
2.53
1.1946
0.003271
d
yr
n .389450565017892 0.00050329 deg/d
Q 2.712126081687915 0.0023366 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      12 days  
   first obs. used      2019-10-05  
   last obs. used      2019-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48757  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-25 04:54:51  

Additional Information
 Earth MOID = .0234522 au 
 Jupiter MOID = 2.73499 au 
 T_jup = 3.853 
[ 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 26.5   .51665 MPO504272 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
1943-Sep-09 22:51 1_21:33 Earth 0.304999523317458 0.276307976661482 0.33369588240341 15.8904029299564 15.8898531539282 2430977.452361933 2733.36111061677 1432126.29942499 26.843469659811 2.45753991042226 62408.3333689753 T 5 CATAB v2.0f-lin.ifort 2019-Nov-25 04:54:54 2019-Nov-25 04:55
2014-Sep-02 04:12 7_03:23 Earth 0.435666611222732 0.314142771241013 0.557292980401348 19.6992814704347 19.6989710065296 2456902.675137124 10283.4376558705 6071613.42108863 31.9475167220027 3.04339228624259 94672.0328489654 T 5 CATAB v2.0f-lin.ifort 2019-Nov-25 04:54:54 2019-Nov-25 04:55
2019-Oct-13 06:03 < 00:01 Earth 0.0237969724096121 0.0237350247139974 0.0238589189179286 7.8164929408559 7.80215531639461 2458769.752383982 0.10770187819331 3077.63772479276 12.9254656890799 0.160368190053938 687.950116265891 T 5 CATAB v2.0f-lin.ifort 2019-Nov-25 04:54:54 2019-Nov-25 04:55
2024-Dec-13 06:25 9_03:33 Earth 0.308196900896565 0.195863754011454 0.427630979322368 15.0118467075955 15.0112707927161 2460657.767299566 13173.0827659234 6234271.79692643 107.965868662626 -20.3564125095389 118505.16927549 T 5 CATAB v2.0f-lin.ifort 2019-Nov-25 04:54:54 2019-Nov-25 04:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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