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129889 (1999 TH25)
Classification: Main-belt Asteroid          SPK-ID: 2129889
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1794841755258658 5.1963e-08  
a 2.657392416768019 1.3556e-08 au
q 2.180432529795723 1.414e-07 au
i 12.73837793177769 6.115e-06 deg
node 16.32130326423935 1.8146e-05 deg
peri 332.4410103178308 2.1608e-05 deg
M 300.6756770097488 1.2408e-05 deg
tp 2459261.242757352351
(2021-Feb-15.74275735)
5.5528e-05 TDB
period 1582.274991360148
4.33
1.2107e-05
3.315e-08
d
yr
n .2275205017874538 1.7409e-09 deg/d
Q 3.134352303740315 1.5989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      8085 days (22.14 yr)  
   first obs. used      1997-03-12  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:15:24  

Additional Information
 Earth MOID = 1.18362 au 
 Jupiter MOID = 2.3289 au 
 T_jup = 3.330 
[ 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 15.5   n/a MPO385566  

129889 (1999 TH25)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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