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7152 Euneus (1973 SH1)
Classification: Jupiter Trojan          SPK-ID: 2007152
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06440830119592869 2.7642e-08  
a 5.153892374132246 6.9478e-08 au
q 4.821938921767736 1.8884e-07 au
i 3.712445838867018 7.7053e-07 deg
node 113.0429437981119 4.417e-05 deg
peri 306.5084019110482 5.3348e-05 deg
M 311.9139250320927 2.5193e-05 deg
tp 2459771.345094116814
(2022-Jul-10.84509412)
0.00030336 TDB
period 4273.6745309158
11.70
8.6418e-05
2.366e-07
d
yr
n .08423664399236694 1.7033e-09 deg/d
Q 5.485845826496756 7.3953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2450  
   data-arc span      17313 days (47.40 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:27:15  

Additional Information
 Earth MOID = 3.83551 au 
 Jupiter MOID = .157886 au 
 T_jup = 2.992 
[ 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 10.35   n/a E2021B10  
diameter diameter 39.770 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 9.73 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:
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 15-22.]
geometric albedo albedo 0.093   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

7152 Euneus (1973 SH1)          Discovered 1973-Sep-19 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1973 SH1 = 1990 DG3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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