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91801 (1999 TC235)
Classification: Main-belt Asteroid          SPK-ID: 2091801
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02964914673753502 6.0677e-08  
a 3.056909654286016 3.1932e-08 au
q 2.966274891382702 1.9017e-07 au
i 8.640562170441996 8.3614e-06 deg
node 190.3501890130536 2.9055e-05 deg
peri 50.76742393370999 0.00011408 deg
M 86.98957651639546 0.00011232 deg
tp 2458528.777004181195
(2019-Feb-14.27700418)
0.00060685 TDB
period 1952.191116400741
5.34
3.0588e-05
8.375e-08
d
yr
n .1844081744740918 2.8894e-09 deg/d
Q 3.147544417189329 3.2879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      6775 days (18.55 yr)  
   first obs. used      1999-10-03  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60445  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:02:50  

Additional Information
 Earth MOID = 1.96411 au 
 Jupiter MOID = 1.83144 au 
 T_jup = 3.217 
[ 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 14.8   n/a MPO436413  
diameter diameter 6.401 km 1.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.062   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91801 (1999 TC235)          Discovered 1999-Oct-03 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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