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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2810530115720217 5.044e-08  
a 2.177936839759047 7.5084e-09 au
q 1.565821131931115 1.0828e-07 au
i 4.402975184919067 5.5731e-06 deg
node 213.2826792328485 6.6621e-05 deg
peri 90.80420831552232 6.7343e-05 deg
M 191.6333487927342 1.0831e-05 deg
tp 2459149.560146471696
(2020-Oct-27.06014647)
3.6896e-05 TDB
period 1173.995273484899
3.21
6.071e-06
1.662e-08
d
yr
n .3066451868510274 1.5857e-09 deg/d
Q 2.790052547586979 9.6186e-09 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      10768 days (29.48 yr)  
   first obs. used      1988-07-12  
   last obs. used      2018-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59267  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:35:52  

Additional Information
 Earth MOID = .55829 au 
 Jupiter MOID = 2.48017 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 16.6   n/a MPO432401  

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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