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25598 (1999 YK16)
Classification: Main-belt Asteroid          SPK-ID: 2025598
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03507405244550472 3.7602e-08  
a 2.979097304163846 1.5509e-08 au
q 2.874608289077342 1.1337e-07 au
i 11.25273317996973 4.0579e-06 deg
node 145.3273685690926 2.0617e-05 deg
peri 42.91845115518344 6.1371e-05 deg
M 345.6508339926953 5.728e-05 deg
tp 2459275.359964854500
(2021-Mar-01.85996485)
0.0002989 TDB
period 1878.129177256784
5.14
1.4666e-05
4.015e-08
d
yr
n .1916801061180574 1.4968e-09 deg/d
Q 3.083586319250351 1.6053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1911  
   data-arc span      16251 days (44.49 yr)  
   first obs. used      1976-09-16  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48689  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:03:19  

Additional Information
 Earth MOID = 1.88837 au 
 Jupiter MOID = 1.90706 au 
 T_jup = 3.230 
[ 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 13.47   n/a E2021B10  
diameter diameter 7.732 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.383 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.170   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

25598 (1999 YK16)          Discovered 1999-Dec-31 by Spacewatch at Kitt Peak
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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