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66688 (1999 TJ52)
Classification: Main-belt Asteroid          SPK-ID: 2066688
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06977183269837961 3.5277e-08  
a 2.773334706115764 1.5937e-08 au
q 2.579834060984045 1.0124e-07 au
i 5.187980916169564 4.483e-06 deg
node 224.8994084100217 4.5135e-05 deg
peri 80.0520385741742 5.7533e-05 deg
M 283.5789158561815 3.785e-05 deg
tp 2459558.606785662647
(2021-Dec-10.10678566)
0.00017827 TDB
period 1686.948625276481
4.62
1.4541e-05
3.981e-08
d
yr
n .2134030607725224 1.8394e-09 deg/d
Q 2.966835351247483 1.7049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      7809 days (21.38 yr)  
   first obs. used      1999-10-02  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49124  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:13  

Additional Information
 Earth MOID = 1.5692 au 
 Jupiter MOID = 2.18245 au 
 T_jup = 3.327 
[ 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 14.98   n/a E2021B10  

66688 (1999 TJ52)          Discovered 1999-Oct-04 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TJ52 = 2001 AD23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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