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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1904-Apr-01 15:01 00:03 Jupiter 1.9651659813886 1.96516541428587 1.96516654849178 3.47418314112819 3.3478219609972 2416572.125534995 2.7480389221605 245.70290355495 21.6506862664071 -86.0520932555328 2254270.59612663 T 24 CATAB v2.0f-lin.ifort 2020-May-20 06:08:55 2020-May-20 06:08
1986-Aug-09 22:03 < 00:01 Jupiter 1.98639747743907 1.98639690592592 1.98639804895211 2.96348655943059 2.81592432453722 2446652.418688073 0.718311823982854 80.7317036813614 20.3231924797861 89.9791630273236 2327893.2936229 T 24 CATAB v2.0f-lin.ifort 2020-May-20 06:08:55 2020-May-20 06:08
2023-May-11 05:49 < 00:01 Jupiter 1.96183360936526 1.96183306417872 1.96183415455201 3.96437112995599 3.85392495832884 2460075.742429189 0.325219270225406 118.741943146399 21.5124600579159 -84.567925531528 2542403.03810911 T 24 CATAB v2.0f-lin.ifort 2020-May-20 06:08:55 2020-May-20 06:08
2105-Sep-27 10:17 00:02 Jupiter 1.95857843815158 1.95857787219325 1.95857900411035 3.35119948649929 3.21956549586431 2490164.928516157 2.38750872688993 218.385078750559 21.5087713027786 -85.3895248708238 2226601.80250984 T 24 CATAB v2.0f-lin.ifort 2020-May-20 06:08:55 2020-May-20 06:08
2142-Jun-13 03:48 00:03 Jupiter 1.98384265537189 1.98384181332704 1.98384349741719 4.37089251415071 4.27209319959073 2503572.658011504 3.05233158976567 101.161616849895 29.6023076044673 -77.437643464418 1702051.581252 T 24 CATAB v2.0f-lin.ifort 2020-May-20 06:08:55 2020-May-20 06:08
2188-Feb-04 23:25 00:05 Jupiter 1.9884746700158 1.98847381980374 1.98847552023628 2.92012202361127 2.77041165149763 2520245.475399539 4.65189696007658 294.228394206296 23.2411834194052 -81.7316082115032 2484500.3870307 T 24 CATAB v2.0f-lin.ifort 2020-May-20 06:08:55 2020-May-20 06:08

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