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101637 (1999 CA43)
Classification: Main-belt Asteroid          SPK-ID: 2101637
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04976873095481373 4.3385e-08  
a 2.54175808360986 1.2122e-08 au
q 2.415258009394458 1.1191e-07 au
i 14.60277560600953 3.5821e-06 deg
node 145.1771368550427 1.6534e-05 deg
peri 292.4481973432439 4.2738e-05 deg
M 207.6829593635536 4.1507e-05 deg
tp 2459826.747116877926
(2022-Sep-04.24711688)
0.00017249 TDB
period 1480.129610804084
4.05
1.0588e-05
2.899e-08
d
yr
n .2432219431137717 1.7399e-09 deg/d
Q 2.668258157825262 1.2725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1011  
   data-arc span      7848 days (21.49 yr)  
   first obs. used      1999-01-23  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56257  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:47  

Additional Information
 Earth MOID = 1.46667 au 
 Jupiter MOID = 2.4395 au 
 T_jup = 3.398 
[ 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 15.49   n/a E2021B55  
rotation period rot_per 61.7416 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

101637 (1999 CA43)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 CA43 = 2001 UT92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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