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JPL Small-Body Database Browser
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4707 Khryses (1988 PY)
Classification: Jupiter Trojan          SPK-ID: 2004707
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1209796014961528 5.5913e-08  
a 5.194451427744066 8.3861e-08 au
q 4.566028764024467 2.897e-07 au
i 7.092905281170115 5.9763e-06 deg
node 310.1664266149409 3.902e-05 deg
peri 66.69276449648667 4.5728e-05 deg
M 190.0827740099561 2.5743e-05 deg
tp 2460641.499366222543
(2024-Nov-26.99936622)
0.00033942 TDB
period 4324.22179422331
11.84
0.00010472
2.867e-07
d
yr
n .08325197391144942 2.0161e-09 deg/d
Q 5.822874091463665 9.4007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1659  
   data-arc span      24009 days (65.73 yr)  
   first obs. used      1953-08-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49849  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:39:01  

Additional Information
 Earth MOID = 3.57479 au 
 Jupiter MOID = .028379 au 
 T_jup = 2.970 
[ 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 10.6   n/a MPO365304  
diameter diameter 37.766 km 0.465 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 6.862 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Stephens, R.D.; French, L.M.; Davitt, C.; Coley, D.R. (2014) Minor Planet Bull. 41, 95-100.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2015) Minor Planet Bull. 42, 216-224.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 265-270.]
[Stephens, R.D.; Coley, D.R. (2017) Minor Planet Bull. 44, 252-257.]
geometric albedo albedo 0.086   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

4707 Khryses (1988 PY)          Discovered 1988-Aug-13 by Shoemaker, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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