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249621 (1999 TO37)
Classification: Main-belt Asteroid          SPK-ID: 2249621
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785799233166019 4.9611e-08  
a 2.365724176712138 1.4596e-08 au
q 1.943253334646653 1.2389e-07 au
i 11.46185082521615 5.519e-06 deg
node 208.338934233736 2.2067e-05 deg
peri 99.60919083269545 2.6276e-05 deg
M 277.1658886106115 1.5944e-05 deg
tp 2459306.309734764761
(2021-Apr-01.80973476)
5.979e-05 TDB
period 1329.060005216855
3.64
1.23e-05
3.368e-08
d
yr
n .2708681313010099 2.5069e-09 deg/d
Q 2.788195018777623 1.7203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:16:30  

Additional Information
 Earth MOID = .968783 au 
 Jupiter MOID = 2.54615 au 
 T_jup = 3.500 
[ 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 16.4   n/a MPO433635  
diameter diameter 1.351 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.266   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249621 (1999 TO37)          Discovered 1999-Oct-01 by CSS at Catalina
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 1999 TO37 = 2002 GK60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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