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16858 (1997 YG10)
Classification: Main-belt Asteroid          SPK-ID: 2016858
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368185827554283 1.9225e-08  
a 2.579915792117613 1.0184e-08 au
q 2.226935369811733 4.8546e-08 au
i 3.631706786909198 8.9025e-07 deg
node 33.88292913135566 8.5755e-06 deg
peri 80.05299579461467 1.2331e-05 deg
M 195.1292812519415 7.6956e-06 deg
tp 2459893.682761249773
(2022-Nov-10.18276125)
3.4976e-05 TDB
period 1513.584679831796
4.14
8.9624e-06
2.454e-08
d
yr
n .2378459591966844 1.4084e-09 deg/d
Q 2.932896214423493 1.1578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1878  
   data-arc span      15941 days (43.64 yr)  
   first obs. used      1976-12-20  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48811  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:44:18  

Additional Information
 Earth MOID = 1.24675 au 
 Jupiter MOID = 2.16506 au 
 T_jup = 3.409 
[ 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 13.78   n/a E2021B10  
diameter diameter 4.312 km 0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.232 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 0.239   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16858 (1997 YG10)          Discovered 1997-Dec-28 by Kobayashi, T. at Oizumi
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 YG10 = 1976 YX7 = 1994 EZ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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