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14657 (1998 YU27)
Classification: Main-belt Asteroid          SPK-ID: 2014657
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2748406981598274 2.0767e-08  
a 2.663252344693011 1.2177e-08 au
q 1.931282210901786 5.3416e-08 au
i 11.05803988744522 1.0588e-06 deg
node 289.4599916499035 3.6987e-06 deg
peri 53.61338137016943 6.4459e-06 deg
M 134.2137115040919 4.9904e-06 deg
tp 2458608.650493889412
(2019-May-05.15049389)
1.9753e-05 TDB
period 1587.511587393333
4.35
1.0888e-05
2.981e-08
d
yr
n .2267699983161156 1.5553e-09 deg/d
Q 3.395222478484235 1.5524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2018  
   data-arc span      16688 days (45.69 yr)  
   first obs. used      1975-07-11  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44341  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:51:14  

Additional Information
 Earth MOID = .943546 au 
 Jupiter MOID = 2.10527 au 
 T_jup = 3.304 
[ 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 13.30   n/a MPCxxxxx  
diameter diameter 5.793 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 33.58 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:
[Ferrero, A. (2011) Minor Planet Bull. 38, 92-93.]
geometric albedo albedo 0.303   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14657 (1998 YU27)          Discovered 1998-Dec-26 by Korlevic, K. at Visnjan
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 YU27 = 1975 NV1 = 1984 SB5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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