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17127 (1999 JE69)
Classification: Main-belt Asteroid          SPK-ID: 2017127
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1768182904481486 4.4e-08  
a 2.637501935073225 1.1802e-08 au
q 2.171143351859893 1.1594e-07 au
i 12.1312690542677 4.9768e-06 deg
node 195.5878166928055 1.8307e-05 deg
peri 134.4755432774515 2.136e-05 deg
M 238.2465677308332 1.1297e-05 deg
tp 2459529.634793218507
(2021-Nov-11.13479322)
5.0087e-05 TDB
period 1564.543372687347
4.28
1.0501e-05
2.875e-08
d
yr
n .2300990859599143 1.5445e-09 deg/d
Q 3.103860518286556 1.3889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1572  
   data-arc span      13247 days (36.27 yr)  
   first obs. used      1983-10-30  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:56:50  

Additional Information
 Earth MOID = 1.18051 au 
 Jupiter MOID = 2.38468 au 
 T_jup = 3.343 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO467887  
diameter diameter 4.702 km 0.816 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 240.669 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.349   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17127 (1999 JE69)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JE69 = 1983 UN = 1987 SU4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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