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27158 (1998 YZ29)
Classification: Main-belt Asteroid          SPK-ID: 2027158
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05448231889723825 4.448e-08  
a 2.987576117832437 1.6247e-08 au
q 2.824806043050917 1.3543e-07 au
i 11.33940735916207 4.8786e-06 deg
node 65.52961139977755 2.9502e-05 deg
peri 68.0514739679402 6.4559e-05 deg
M 49.9910449760003 5.5366e-05 deg
tp 2458738.581237717450
(2019-Sep-12.08123772)
0.00029031 TDB
period 1886.152899323974
5.16
1.5386e-05
4.212e-08
d
yr
n .1908646961383828 1.557e-09 deg/d
Q 3.150346192613957 1.7133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1807  
   data-arc span      10015 days (27.42 yr)  
   first obs. used      1992-11-27  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:08:42  

Additional Information
 Earth MOID = 1.8637 au 
 Jupiter MOID = 1.96113 au 
 T_jup = 3.225 
[ 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 13.0   n/a MPO502360  
diameter diameter 8.348 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.181   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27158 (1998 YZ29)          Discovered 1998-Dec-27 by LONEOS at Anderson Mesa
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YZ29 = 1997 UK25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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