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118467 (1999 XO123)
Classification: Main-belt Asteroid          SPK-ID: 2118467
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 .2004379410868454 4.8306e-08  
a 3.137776155764694 2.8046e-08 au
q 2.508846763511822 1.576e-07 au
i 14.44459082372145 6.3916e-06 deg
node 267.2305834263972 2.4709e-05 deg
peri 161.5785727850548 3.2984e-05 deg
M 279.870390537297 2.3951e-05 deg
tp 2459652.378719939110
(2022-Mar-13.87871994)
0.00013847 TDB
period 2030.165132076409
5.56
2.7219e-05
7.452e-08
d
yr
n .1773254767861173 2.3774e-09 deg/d
Q 3.766705548017566 3.3667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      7635 days (20.90 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54511  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:24  

Additional Information
 Earth MOID = 1.52731 au 
 Jupiter MOID = 1.54446 au 
 T_jup = 3.132 
[ 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 14.19   n/a E2021B55  
diameter diameter 8.510 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.056   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

118467 (1999 XO123)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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