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118644 (2000 JR5)
Classification: Main-belt Asteroid          SPK-ID: 2118644
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471053079109357 3.5761e-08  
a 2.669560193875952 1.6318e-08 au
q 2.276853719569053 9.8772e-08 au
i 12.01664476391702 4.5099e-06 deg
node 170.0953377434472 1.8794e-05 deg
peri 64.72852476636871 2.5416e-05 deg
M 253.2292767387341 1.97e-05 deg
tp 2459673.006391555441
(2022-Apr-03.50639156)
8.9497e-05 TDB
period 1593.154900184779
4.36
1.4608e-05
3.999e-08
d
yr
n .225966728005071 2.0719e-09 deg/d
Q 3.062266668182851 1.8719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      7609 days (20.83 yr)  
   first obs. used      2000-04-13  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53972  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:58:12  

Additional Information
 Earth MOID = 1.29609 au 
 Jupiter MOID = 1.99648 au 
 T_jup = 3.335 
[ 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 15.6   n/a MPO449692  
diameter diameter 3.889 km 0.960 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.97807 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 0.081   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118644 (2000 JR5)          Discovered 2000-May-01 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 JR5 = 2001 SD167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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