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JPL Small-Body Database Browser
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66689 (1999 TU52)
Classification: Main-belt Asteroid          SPK-ID: 2066689
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 .172712584544321 4.1556e-08  
a 2.443502077643669 9.7128e-09 au
q 2.021478518474413 9.8046e-08 au
i 2.773685142200202 4.4769e-06 deg
node 159.7072856288901 8.4842e-05 deg
peri 237.3409655478935 8.6345e-05 deg
M 99.67500993818726 1.6174e-05 deg
tp 2458614.220836114852
(2019-May-10.72083611)
6.1575e-05 TDB
period 1395.139053258088
3.82
8.3184e-06
2.277e-08
d
yr
n .2580387948852029 1.5385e-09 deg/d
Q 2.865525636812925 1.139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      7533 days (20.62 yr)  
   first obs. used      1999-09-06  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:02:21  

Additional Information
 Earth MOID = 1.03017 au 
 Jupiter MOID = 2.55471 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457057.5 (2015-Feb-04.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716390149281302 4.1442e-08  
q 2.024527050796858 9.7681e-08 au
tp 2457216.040731344680
(2015-Jul-12.54073134)
5.8821e-05 TDB
node 159.7457727646589 8.4715e-05 deg
peri 236.754028614976 8.6255e-05 deg
i 2.773601569280876 4.4826e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      7533 days (20.62 yr)  
   first obs. used      1999-09-06  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:02:21  

Additional Information
 Jupiter MOID = 2.55471 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.717415633177549E-15 -4.037082138576553E-15 2.662607294516206E-13 6.444121016741609E-15 -2.475216098864265E-14 -1.595865181602416E-15
q -4.037082138576553E-15 9.541585216145411E-15 -4.713919758009396E-13 -1.590007258069645E-14 9.87050373134458E-14 3.646817616167018E-15
tp 2.662607294516206E-13 -4.713919758009396E-13 3.459966138705732E-9 -1.207943109883271E-11 9.58765454637257E-10 -2.588223966787978E-12
node 6.444121016741609E-15 -1.590007258069645E-14 -1.207943109883271E-11 7.176562813489283E-9 -7.171606575007309E-9 -8.353174661330238E-11
peri -2.475216098864265E-14 9.87050373134458E-14 9.58765454637257E-10 -7.171606575007309E-9 7.439868118204742E-9 8.283072163929385E-11
i -1.595865181602416E-15 3.646817616167018E-15 -2.588223966787978E-12 -8.353174661330238E-11 8.283072163929385E-11 2.009373023326214E-11

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 15.4   n/a MPO449423  

66689 (1999 TU52)          Discovered 1999-Oct-06 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TU52 = 2001 AK41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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