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4044 Erikhog (5142 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2004044
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08468030350971918 2.0896e-08  
a 3.04163980067153 1.4105e-08 au
q 2.784072819183423 6.3319e-08 au
i 10.69104378636099 5.077e-07 deg
node 94.41369787833659 3.8789e-06 deg
peri 251.9696487600262 9.3277e-06 deg
M 81.07916526840164 8.4353e-06 deg
tp 2458764.117959602482
(2019-Oct-07.61795960)
4.3941e-05 TDB
period 1937.582041243968
5.30
1.3478e-05
3.69e-08
d
yr
n .1857985841822071 1.2924e-09 deg/d
Q 3.299206782159637 1.53e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2639  
   data-arc span      15864 days (43.43 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44795  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:22:44  

Additional Information
 Earth MOID = 1.79745 au 
 Jupiter MOID = 2.054 au 
 T_jup = 3.208 
[ 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 11.94   n/a E2021B10  
diameter diameter 14.710 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.99649 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.171   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4044 Erikhog (5142 T-3)          Discovered 1977-Oct-16 by van Houten, C. J. at Palomar
Discovered in the course of the Third Trojan Survey by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 5142 T-3 = 1951 XV = 1979 BW = 1980 DL1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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