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85764 (1998 TT12)
Classification: Main-belt Asteroid          SPK-ID: 2085764
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1837940590682964 2.8599e-08  
a 3.171083131665595 1.5922e-08 au
q 2.58825689125377 8.8914e-08 au
i .1984577706090864 3.0311e-06 deg
node 86.51816279742746 0.0011894 deg
peri 205.2273753004031 0.0011895 deg
M 93.68882169499817 1.102e-05 deg
tp 2458859.721460649668
(2020-Jan-11.22146065)
6.2686e-05 TDB
period 2062.575563125437
5.65
1.5534e-05
4.253e-08
d
yr
n .1745390600160554 1.3145e-09 deg/d
Q 3.753909372077419 1.8848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      9088 days (24.88 yr)  
   first obs. used      1996-03-16  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:10:24  

Additional Information
 Earth MOID = 1.57168 au 
 Jupiter MOID = 1.44002 au 
 T_jup = 3.176 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.90   n/a MPO637176  

85764 (1998 TT12)          Discovered 1998-Oct-13 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 TT12 = 2002 JG55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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