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152817 (1999 TO301)
Classification: Main-belt Asteroid          SPK-ID: 2152817
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 .05145696941551568 4.6231e-08  
a 3.022527340231492 2.4466e-08 au
q 2.86699724332764 1.3745e-07 au
i .885842493438597 4.4322e-06 deg
node 253.8001378302956 0.00032964 deg
peri 340.0753173644567 0.00033353 deg
M 171.7765441411811 5.3861e-05 deg
tp 2458284.669412574692
(2018-Jun-15.16941257)
0.00028258 TDB
period 1919.34826213604
5.25
2.3304e-05
6.38e-08
d
yr
n .1875636678876383 2.2773e-09 deg/d
Q 3.178057437135343 2.5725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      9062 days (24.81 yr)  
   first obs. used      1996-02-16  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54061  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:48  

Additional Information
 Earth MOID = 1.85418 au 
 Jupiter MOID = 1.80471 au 
 T_jup = 3.244 
[ 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 15.7   n/a MPO436772  

152817 (1999 TO301)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 1999 TO301 = 2002 GS89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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