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22925 (1999 TH104)
Classification: Main-belt Asteroid          SPK-ID: 2022925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2326361102748206 3.1204e-08  
a 2.582871692896203 9.047e-09 au
q 1.982002468921889 8.1126e-08 au
i 3.638614895368594 3.8799e-06 deg
node 313.8158015080302 7.4052e-05 deg
peri 14.40196417491628 7.484e-05 deg
M 73.85494399871043 1.2284e-05 deg
tp 2458889.450327638620
(2020-Feb-09.95032764)
5.0889e-05 TDB
period 1516.1866760342
4.15
7.9661e-06
2.181e-08
d
yr
n .2374377810400173 1.2475e-09 deg/d
Q 3.183740916870518 1.1152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      9210 days (25.22 yr)  
   first obs. used      1995-11-24  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57303  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:51  

Additional Information
 Earth MOID = .96895 au 
 Jupiter MOID = 2.17407 au 
 T_jup = 3.382 
[ 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 15.0   n/a MPO263549  

22925 (1999 TH104)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TH104 = 1998 HU78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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