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16152 (1999 YN12)
Classification: Jupiter Trojan          SPK-ID: 2016152
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09509998708803021 5.3275e-08  
a 5.130225152398104 9.959e-08 au
q 4.642340806646357 3.2207e-07 au
i 3.455563507785411 5.2043e-06 deg
node 64.15095887212239 9.6897e-05 deg
peri 347.6232782489827 0.00010208 deg
M 278.2063952035414 3.5024e-05 deg
tp 2459564.817200389897
(2021-Dec-16.31720039)
0.00042756 TDB
period 4244.270600424663
11.62
0.00012359
3.384e-07
d
yr
n .08482022799488326 2.4698e-09 deg/d
Q 5.618109498149852 1.0906e-07 au
  Orbit Determination Parameters
   # obs. used (total)      963  
   data-arc span      11205 days (30.68 yr)  
   first obs. used      1989-01-10  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59948  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:21:38  

Additional Information
 Earth MOID = 3.65293 au 
 Jupiter MOID = .129993 au 
 T_jup = 2.988 
[ 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 11.9   n/a MPO452399  
diameter diameter 16.177 km 0.647 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
rotation period rot_per 22.996 h n/a LCDB (Rev. 2019-January); 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.]
[Ryan, E.L.; Sharkey, B.N.L.; Woodward, C.E. (2017) Astron. J. 153, A116.]
geometric albedo albedo 0.129   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

16152 (1999 YN12)          Discovered 1999-Dec-30 by Tesi, L., Tombelli, M. at San Marcello
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 YN12 = 1998 WW21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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