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249930 (2001 TO15)
Classification: Main-belt Asteroid          SPK-ID: 2249930
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2428864762641177 1.2092e-07  
a 2.725870662792975 1.2332e-08 au
q 2.063793542755454 3.2848e-07 au
i 10.42762266668328 8.8274e-06 deg
node 33.18352675319053 2.9592e-05 deg
peri 319.1464564055784 3.174e-05 deg
M 62.00514429924719 9.0405e-06 deg
tp 2458717.372850203342
(2019-Aug-21.87285020)
4.1254e-05 TDB
period 1643.827702986807
4.50
1.1155e-05
3.054e-08
d
yr
n .219001054274658 1.4862e-09 deg/d
Q 3.387947782830496 1.5327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      13261 days (36.31 yr)  
   first obs. used      1983-10-08  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52653  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:28:17  

Additional Information
 Earth MOID = 1.07223 au 
 Jupiter MOID = 2.09911 au 
 T_jup = 3.290 
[ 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 16.0   n/a MPO503177  
diameter diameter 1.864 km 0.375 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249930 (2001 TO15)          Discovered 2001-Oct-11 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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