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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0544823224915431 4.406e-08  
a 2.987576115195389 1.5705e-08 au
q 2.824806029819282 1.3361e-07 au
i 11.33940837756618 4.7716e-06 deg
node 65.52961360184536 2.9381e-05 deg
peri 68.05146877632524 6.4357e-05 deg
M 49.99104905366279 5.5069e-05 deg
tp 2458738.581216700079
(2019-Sep-12.08121670)
0.00028881 TDB
period 1886.152896826694
5.16
1.4872e-05
4.072e-08
d
yr
n .190864696391089 1.505e-09 deg/d
Q 3.150346200571495 1.656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1931  
   data-arc span      10091 days (27.63 yr)  
   first obs. used      1992-11-27  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:24:53  

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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