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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02954315199141128 5.3562e-08  
a 3.055716459986484 2.2901e-08 au
q 2.965440964166446 1.561e-07 au
i 8.642448536198524 6.9445e-06 deg
node 190.3450022382803 2.232e-05 deg
peri 49.77016874410956 0.0001046 deg
M 161.0829216230358 0.000102 deg
tp 2458523.498470802359
(2019-Feb-08.99847080)
0.00055193 TDB
period 1951.048238661986
5.34
2.1933e-05
6.005e-08
d
yr
n .1845161964047005 2.0743e-09 deg/d
Q 3.145991955806522 2.3578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      7755 days (21.23 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5598  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:47:48  

Additional Information
 Earth MOID = 1.96358 au 
 Jupiter MOID = 1.82974 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 14.91   n/a E2021B10  
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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