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20635 (1999 TV96)
Classification: Outer Main-belt Asteroid          SPK-ID: 2020635
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06081745170384998 2.064e-08  
a 3.215708635036901 1.8128e-08 au
q 3.020137430431891 6.7632e-08 au
i 21.92134355408517 8.4876e-07 deg
node 171.9815032345115 3.4874e-06 deg
peri 229.5964103248885 1.9543e-05 deg
M 222.8098455939347 2.1568e-05 deg
tp 2460003.164228682220
(2023-Feb-27.66422868)
0.0001278 TDB
period 2106.267199542011
5.77
1.7811e-05
4.876e-08
d
yr
n .1709184855930334 1.4453e-09 deg/d
Q 3.411279839641911 1.9231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2320  
   data-arc span      24103 days (65.99 yr)  
   first obs. used      1955-03-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:25:40  

Additional Information
 Earth MOID = 2.05376 au 
 Jupiter MOID = 1.88807 au 
 T_jup = 3.074 
[ 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 12.08   n/a E2021B10  
diameter diameter 23.612 km 0.419 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.488 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.045   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20635 (1999 TV96)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TV96 = 1987 RA2 = 1987 SD2 = 1993 SF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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