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17973 (1999 JP51)
Classification: Main-belt Asteroid          SPK-ID: 2017973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2144374966240792 3.563e-08  
a 2.786173272193068 1.2135e-08 au
q 2.188713250543067 9.7937e-08 au
i 10.55576847493773 4.0596e-06 deg
node 228.1848352323184 2.3058e-05 deg
peri 37.65748917043317 2.4939e-05 deg
M 83.70311656976968 9.5574e-06 deg
tp 2458205.543071029498
(2018-Mar-28.04307103)
4.4527e-05 TDB
period 1698.676229228152
4.65
1.1098e-05
3.038e-08
d
yr
n .2119297331685024 1.3846e-09 deg/d
Q 3.383633293843069 1.4737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2286  
   data-arc span      17228 days (47.17 yr)  
   first obs. used      1972-10-06  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4673  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:24:29  

Additional Information
 Earth MOID = 1.18359 au 
 Jupiter MOID = 1.72432 au 
 T_jup = 3.273 
[ 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 12.5   n/a MPO458990  
diameter diameter 22.922 km 4.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 10.138 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.043   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

17973 (1999 JP51)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JP51 = 1972 TP5 = 1985 JO2 = 1989 EE11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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