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192591 (1999 CE8)
Classification: Main-belt Asteroid          SPK-ID: 2192591
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1880776527964395 4.5407e-08  
a 3.148567705399523 2.3379e-08 au
q 2.556392481697309 1.4961e-07 au
i 9.608726031724686 5.516e-06 deg
node 317.3180702438578 2.5597e-05 deg
peri 156.2029063977168 3.0656e-05 deg
M 351.132424413876 1.3801e-05 deg
tp 2459250.765543187221
(2021-Feb-05.26554319)
7.823e-05 TDB
period 2040.647454498779
5.59
2.2729e-05
6.223e-08
d
yr
n .1764145978308746 1.9649e-09 deg/d
Q 3.740742929101737 2.7776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44887  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:46  

Additional Information
 Earth MOID = 1.57596 au 
 Jupiter MOID = 1.37588 au 
 T_jup = 3.159 
[ 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 15.26   n/a MPCxxxxx  
diameter diameter 5.946 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.59 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:
[Polishook, D.; Ofek, E.O.; Waszczak, A.; Kulkarni, S.R.; et al. (2012). Mon. Not. Royal Ast. Soc. 421, 2094-2108.]
geometric albedo albedo 0.050   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192591 (1999 CE8)          Discovered 1999-Feb-13 by Hug, G., Bell, G. at Eskridge
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1999 CE8 = 2003 XE36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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