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JPL Small-Body Database Browser
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659 Nestor (A908 FE)
Classification: Jupiter Trojan          SPK-ID: 2000659
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 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177109517995575 4.9498e-08  
a 5.166167478017001 7.0034e-08 au
q 4.5580529870237 2.9128e-07 au
i 4.521958974808507 4.9468e-06 deg
node 350.7436088404643 5.1499e-05 deg
peri 343.1985010605754 5.4849e-05 deg
M 341.5194839598854 1.9268e-05 deg
tp 2458820.672331741383
(2019-Dec-03.17233174)
0.00022947 TDB
period 4288.951631807692
11.74
8.7214e-05
2.388e-07
d
yr
n .08393659591079802 1.7068e-09 deg/d
Q 5.774281969010301 7.8278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2348  
   data-arc span      40694 days (111.41 yr)  
   first obs. used      1908-03-23  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46418  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:10:50  

Additional Information
 Earth MOID = 3.54753 au 
 Jupiter MOID = .312543 au 
 T_jup = 2.980 
[ 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 8.99   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 16
diameter diameter 112.320 km 1.850 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 15.98 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
geometric albedo albedo 0.035   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
B-V BV 0.719   0.034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.03 deg.
U-B UB 0.249   0.058 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.03 deg.
Tholen spectral type spec_T XC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

659 Nestor (A908 FE)          Discovered 1908-Mar-23 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A908 FE = A914 WF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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