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66700 (1999 TC85)
Classification: Main-belt Asteroid          SPK-ID: 2066700
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453611297479834 4.3023e-08  
a 2.376710023239195 8.9569e-09 au
q 2.031228769177789 1.0225e-07 au
i 4.685764395902284 4.6298e-06 deg
node 334.9943397875725 4.6623e-05 deg
peri 67.57768729423418 4.8947e-05 deg
M 231.0935911897625 1.5706e-05 deg
tp 2459679.719776524009
(2022-Apr-10.21977652)
5.9854e-05 TDB
period 1338.328490731657
3.66
7.5654e-06
2.071e-08
d
yr
n .268992256006737 1.5206e-09 deg/d
Q 2.7221912773006 1.0259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1183  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55627  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:19  

Additional Information
 Earth MOID = 1.044 au 
 Jupiter MOID = 2.68024 au 
 T_jup = 3.522 
[ 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 15.18   n/a E2021B10  

66700 (1999 TC85)          Discovered 1999-Oct-14 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TC85 = 2001 AF19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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