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74850 (1999 TO63)
Classification: Main-belt Asteroid          SPK-ID: 2074850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2064593960554525 4.5297e-08  
a 2.380311504764056 8.5322e-09 au
q 1.888873829066623 1.1037e-07 au
i 1.715394702045455 4.6693e-06 deg
node 154.6441137766231 0.00011209 deg
peri 186.9372225665079 0.00011236 deg
M 260.9682848443413 8.6551e-06 deg
tp 2459369.495373027156
(2021-Jun-03.99537303)
3.3242e-05 TDB
period 1341.371641205851
3.67
7.2122e-06
1.975e-08
d
yr
n .2683819971595428 1.443e-09 deg/d
Q 2.871749180461488 1.0294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      8567 days (23.46 yr)  
   first obs. used      1996-11-12  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:08:57  

Additional Information
 Earth MOID = .88062 au 
 Jupiter MOID = 2.52941 au 
 T_jup = 3.509 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO351370  
diameter diameter 1.791 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.317   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

74850 (1999 TO63)          Discovered 1999-Oct-07 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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