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17599 (1995 ON4)
Classification: Main-belt Asteroid          SPK-ID: 2017599
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1097854481089816 4.1128e-08  
a 2.566231103918386 1.0321e-08 au
q 2.284496272223499 1.0533e-07 au
i 2.785781647533148 3.4636e-06 deg
node 135.6250954258722 9.0978e-05 deg
peri 106.9134497193017 9.2469e-05 deg
M 85.48011158973614 1.5055e-05 deg
tp 2458643.962961054692
(2019-Jun-09.46296105)
6.3184e-05 TDB
period 1501.55786689126
4.11
9.0586e-06
2.48e-08
d
yr
n .2397509999034027 1.4464e-09 deg/d
Q 2.847965935613272 1.1454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1369  
   data-arc span      22788 days (62.39 yr)  
   first obs. used      1957-04-28  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53998  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:08:00  

Additional Information
 Earth MOID = 1.27347 au 
 Jupiter MOID = 2.16005 au 
 T_jup = 3.422 
[ 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 14.6   n/a MPO439215  
diameter diameter 3.276 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.252 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.180   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17599 (1995 ON4)          Discovered 1995-Jul-22 by Spacewatch at Kitt Peak
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 ON4 = 1998 DP34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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