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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2812961038950075 4.9986e-08  
a 2.17775787037642 7.3607e-09 au
q 1.565163066212845 1.0742e-07 au
i 4.40314662534836 5.5724e-06 deg
node 213.2767924570409 6.6464e-05 deg
peri 90.82409366226811 6.7186e-05 deg
M 314.3058818074863 1.1148e-05 deg
tp 2459149.494629549754
(2020-Oct-26.99462955)
3.6783e-05 TDB
period 1173.85056894914
3.21
5.9513e-06
1.629e-08
d
yr
n .3066829880418944 1.5549e-09 deg/d
Q 2.790352674539996 9.4312e-09 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      11524 days (31.55 yr)  
   first obs. used      1988-07-12  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:38:32  

Additional Information
 Earth MOID = .558409 au 
 Jupiter MOID = 2.48221 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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