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JPL Small-Body Database Browser
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17874 (1998 YM3)
Classification: Jupiter Trojan          SPK-ID: 2017874
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04470941017131286 4.0287e-08  
a 5.224377012093927 8.8594e-08 au
q 4.990798197370641 2.5513e-07 au
i 2.546772914438632 5.4532e-06 deg
node 46.00426701973753 0.00011197 deg
peri 48.61507899599154 0.00013376 deg
M 272.6013110630141 7.5608e-05 deg
tp 2459659.394295607331
(2022-Mar-20.89429561)		 0.00092547 TDB
period 4361.643762110486
11.94		 0.00011095
3.038e-07		 d
yr
n .082537689833203 2.0995e-09 deg/d
Q 5.457955826817212 9.2555e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      24833 days (67.99 yr)  
   first obs. used      1951-12-01  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52004  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 23:46:06  

Additional Information
 Earth MOID = 4.00829 au 
 Jupiter MOID = .108466 au 
 T_jup = 2.996 
[ 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 11.7   n/a MPO296281  
diameter diameter 17.399 km 0.738 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 9.81 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:
[French, L.M.; Stephens, R.D.; Coley, D.; Wasserman, L.; Sieben, J. (2015) Icarus 254, 1-17.]
geometric albedo albedo 0.134   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

17874 (1998 YM3)          Discovered 1998-Dec-17 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 YM3 = 2000 DG83 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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