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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1769440610098343 4.3313e-08  
a 2.637331111017371 1.1309e-08 au
q 2.17067103400638 1.1453e-07 au
i 12.13192279934012 4.9526e-06 deg
node 195.5879629288401 1.7287e-05 deg
peri 134.4909378767575 2.0254e-05 deg
M 284.2648485173045 1.1284e-05 deg
tp 2459529.609494444041
(2021-Nov-11.10949444)
4.9745e-05 TDB
period 1564.391378116221
4.28
1.0063e-05
2.755e-08
d
yr
n .2301214421377711 1.4802e-09 deg/d
Q 3.103991188028363 1.3311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1749  
   data-arc span      13387 days (36.65 yr)  
   first obs. used      1983-10-30  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46603  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:54:20  

Additional Information
 Earth MOID = 1.17823 au 
 Jupiter MOID = 2.38497 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 13.77   n/a E2021B10  
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. 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:
[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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