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(2019 TH2)
Classification: Apollo [NEO]          SPK-ID: 3878575
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458763.5 (2019-Oct-07.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4612050691975844 0.00045815  
q 1.002359628758804 9.9066e-06 au
tp 2458785.626611201217
(2019-Oct-29.12661120)
0.0036568 TDB
node 15.93117395560554 0.0001325 deg
peri 22.38980467675978 0.001306 deg
i 7.831906949670404 0.0057702 deg
  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
 Jupiter MOID = 2.73499 au 
 T_jup = 3.853 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.099044180873714E-7 4.537154687593153E-9 -1.674737397242509E-6 -6.038762625249554E-8 -5.959892619356803E-7 2.643605448935783E-6
q 4.537154687593153E-9 9.814084230951132E-11 -3.622577691695839E-8 -1.307008940991599E-9 -1.291184293221719E-8 5.714397046987988E-8
tp -1.674737397242509E-6 -3.622577691695839E-8 1.337236256582171E-5 4.825207462563387E-7 4.766809521626595E-6 -2.109260589675921E-5
node -6.038762625249554E-8 -1.307008940991599E-9 4.825207462563387E-7 1.755664865020708E-8 1.721269928545881E-7 -7.607565129824146E-7
peri -5.959892619356803E-7 -1.291184293221719E-8 4.766809521626595E-6 1.721269928545881E-7 1.705518493114225E-6 -7.506389382915821E-6
i 2.643605448935783E-6 5.714397046987988E-8 -2.109260589675921E-5 -7.607565129824146E-7 -7.506389382915821E-6 3.329498357533831E-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 26.5   .51665 MPO504272 autocmod 2.8

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