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66750 (1999 TZ155)
Classification: Main-belt Asteroid          SPK-ID: 2066750
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2248303976143293 4.2885e-08  
a 2.582472849791484 1.0938e-08 au
q 2.001854452144655 1.1288e-07 au
i 4.504941930326077 4.9574e-06 deg
node 168.7311440208562 6.0662e-05 deg
peri 183.920620645329 6.1812e-05 deg
M 63.41336575539533 1.5011e-05 deg
tp 2458933.488247481021
(2020-Mar-24.98824748)
6.1982e-05 TDB
period 1515.835498743479
4.15
9.6309e-06
2.637e-08
d
yr
n .2374927888272934 1.5089e-09 deg/d
Q 3.163091247438314 1.3398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      8722 days (23.88 yr)  
   first obs. used      1997-03-03  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54559  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:43  

Additional Information
 Earth MOID = .994813 au 
 Jupiter MOID = 2.27804 au 
 T_jup = 3.384 
[ 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 15.41   n/a MPCxxxxx  

66750 (1999 TZ155)          Discovered 1999-Oct-07 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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