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344106 (1999 TH237)
Classification: Main-belt Asteroid          SPK-ID: 2344106
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588085069229637 5.7554e-08  
a 2.640159719654789 2.1465e-08 au
q 2.220879896538261 1.5275e-07 au
i 2.839566341331039 6.0258e-06 deg
node 46.90022830686621 0.00011663 deg
peri 314.3793496241522 0.00011788 deg
M 302.1974598628643 1.7822e-05 deg
tp 2459252.086973818236
(2021-Feb-06.58697382)
7.897e-05 TDB
period 1566.90883064457
4.29
1.9109e-05
5.232e-08
d
yr
n .2297517206868437 2.8019e-09 deg/d
Q 3.059439542771316 2.4874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      8556 days (23.43 yr)  
   first obs. used      1995-11-28  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:00:12  

Additional Information
 Earth MOID = 1.21917 au 
 Jupiter MOID = 2.3935 au 
 T_jup = 3.376 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO434163  

344106 (1999 TH237)          Discovered 1999-Oct-04 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 1999 TH237 = 2012 TX12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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