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JPL Small-Body Database Browser
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66805 (1999 TU284)
Classification: Main-belt Asteroid          SPK-ID: 2066805
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2769127969399868 5.8634e-08  
a 2.773166885305301 2.3143e-08 au
q 2.005241486714059 1.6428e-07 au
i 9.885279844572567 5.9126e-06 deg
node 106.3224125090096 2.9832e-05 deg
peri 221.5300987103929 3.1042e-05 deg
M 212.9999817087224 7.1147e-06 deg
tp 2459689.274917291744
(2022-Apr-19.77491729)
3.5904e-05 TDB
period 1686.795505927776
4.62
2.1115e-05
5.781e-08
d
yr
n .2134224324969325 2.6716e-09 deg/d
Q 3.541092283896544 2.9551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      7985 days (21.86 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:03:38  

Additional Information
 Earth MOID = 1.00525 au 
 Jupiter MOID = 1.84848 au 
 T_jup = 3.258 
[ 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 15.5   n/a MPO432221  

66805 (1999 TU284)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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