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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1847754767256565 3.8654e-08  
a 3.173515392008219 2.3811e-08 au
q 2.587127572553692 1.2417e-07 au
i .1988822356763749 4.2152e-06 deg
node 86.48373973411398 0.0013667 deg
peri 205.6692840344077 0.0013668 deg
M 314.515633293127 1.2108e-05 deg
tp 2458861.396943935890
(2020-Jan-12.89694394)
7.0424e-05 TDB
period 2064.949049905712
5.65
2.324e-05
6.363e-08
d
yr
n .1743384419177015 1.9621e-09 deg/d
Q 3.759903211462746 2.821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8454 days (23.15 yr)  
   first obs. used      1996-03-16  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56875  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:58  

Additional Information
 Earth MOID = 1.57026 au 
 Jupiter MOID = 1.43597 au 
 T_jup = 3.175 
[ 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 14.8   n/a MPO436375  

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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