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43153 (1999 XC118)
Classification: Main-belt Asteroid          SPK-ID: 2043153
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04718027175531399 3.9206e-08  
a 2.721936584698421 1.4604e-08 au
q 2.593514876931618 1.1102e-07 au
i 3.987670137545051 4.2559e-06 deg
node 280.820470105725 5.9181e-05 deg
peri 39.30957919516224 7.3537e-05 deg
M 340.7526548299394 4.4223e-05 deg
tp 2459288.196803757231
(2021-Mar-14.69680376)
0.00020162 TDB
period 1640.270337215752
4.49
1.3201e-05
3.614e-08
d
yr
n .2194760167467733 1.7663e-09 deg/d
Q 2.850358292465224 1.5293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1139  
   data-arc span      9010 days (24.67 yr)  
   first obs. used      1995-12-22  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48237  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:41  

Additional Information
 Earth MOID = 1.5796 au 
 Jupiter MOID = 2.29861 au 
 T_jup = 3.353 
[ 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 14.50   n/a MPCxxxxx  
diameter diameter 6.857 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.463976 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.065   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43153 (1999 XC118)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XC118 = 1995 YY23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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