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85762 (1998 TH4)
Classification: Mars-crossing Asteroid          SPK-ID: 2085762
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2812187432516938 2.9786e-08  
a 2.177575333459367 5.7653e-09 au
q 1.565200334848036 6.676e-08 au
i 4.403192363637679 5.1926e-06 deg
node 213.2624725241566 3.9784e-05 deg
peri 90.78532662644791 4.1218e-05 deg
M 75.79441763257188 9.6752e-06 deg
tp 2459149.388515833740
(2020-Oct-26.88851583)
3.1152e-05 TDB
period 1173.70298603131
3.21
4.6612e-06
1.276e-08
d
yr
n .3067215507538946 1.2181e-09 deg/d
Q 2.789950332070698 7.3866e-09 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      11724 days (32.10 yr)  
   first obs. used      1988-07-12  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:14:51  

Additional Information
 Earth MOID = .55793 au 
 Jupiter MOID = 2.48114 au 
 T_jup = 3.627 
[ 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 16.72   n/a E2021B10  

85762 (1998 TH4)          Discovered 1998-Oct-12 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 TH4 = 1998 UL39 = 2001 KT17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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