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4063 Euforbo (1989 CG2)
Classification: Jupiter Trojan          SPK-ID: 2004063
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 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189089421832731 2.5131e-08  
a 5.185890552638108 7.7663e-08 au
q 4.569241792745681 1.8356e-07 au
i 18.94106365106811 3.1161e-07 deg
node 113.5129714197443 2.3342e-06 deg
peri 318.3773445115712 1.0404e-05 deg
M 308.267209057754 1.3587e-05 deg
tp 2459820.364629082368
(2022-Aug-28.86462908)
0.00016954 TDB
period 4313.536200255975
11.81
9.6898e-05
2.653e-07
d
yr
n .0834582076716168 1.8748e-09 deg/d
Q 5.802539312530536 8.6898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2547  
   data-arc span      28464 days (77.93 yr)  
   first obs. used      1943-03-09  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:53:51  

Additional Information
 Earth MOID = 3.60971 au 
 Jupiter MOID = .450432 au 
 T_jup = 2.878 
[ 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 8.86   n/a E2020-QM5  
diameter diameter 95.619 km 0.677 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 8.846 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Brinsfield, J.W. (2011) Minor Planet Bull. 38, 73-74.]
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 15-22.]
[Stephens, R.D.; Coley, D.R.; Warner, B.D.; French, L.M. (2016) Minor Planet Bull. 43, 323-331.]
geometric albedo albedo 0.070   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

4063 Euforbo (1989 CG2)          Discovered 1989-Feb-01 by Oss. San Vittore at Bologna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 CG2 = 1943 EV = 1951 XJ = 1970 LC = 1974 VO2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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