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4754 Panthoos (5010 T-3)
Classification: Jupiter Trojan          SPK-ID: 2004754
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .008369031998455118 2.1649e-08  
a 5.26320279718437 7.8132e-08 au
q 5.219154884560376 1.7366e-07 au
i 12.30948991457373 1.3349e-06 deg
node 154.9624380539193 8.066e-06 deg
peri 177.8478181035186 0.00016801 deg
M 291.8684513550493 0.00017263 deg
tp 2460035.178723243225
(2023-Mar-31.67872324)
0.0021196 TDB
period 4410.355354366809
12.07
9.8207e-05
2.689e-07
d
yr
n .08162607569559094 1.8176e-09 deg/d
Q 5.307250709808364 7.8786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2491  
   data-arc span      15828 days (43.33 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42203  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:43:34  

Additional Information
 Earth MOID = 4.20664 au 
 Jupiter MOID = .111707 au 
 T_jup = 2.954 
[ 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 10.12   n/a E2021B10  
diameter diameter 53.025 km 1.145 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 27.68 h n/a LCDB (Rev. 2020-October); 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:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
geometric albedo albedo 0.063   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

4754 Panthoos (5010 T-3)          Discovered 1977-Oct-16 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 5010 T-3 = 1988 RH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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