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4191 Assesse (1980 KH)
Classification: Main-belt Asteroid          SPK-ID: 2004191
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 .145921273834594 1.2167e-08  
a 2.630759969981833 9.1722e-09 au
q 2.246876124009026 3.1381e-08 au
i 12.06929254806378 3.9013e-07 deg
node 231.72564341066 1.7037e-06 deg
peri 39.69966945194604 6.2041e-06 deg
M 152.8357522412217 6.0074e-06 deg
tp 2458538.828052706416
(2019-Feb-24.32805271)
2.432e-05 TDB
period 1558.548294706166
4.27
8.1509e-06
2.232e-08
d
yr
n .2309841801006693 1.208e-09 deg/d
Q 3.01464381595464 1.0511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2841  
   data-arc span      14910 days (40.82 yr)  
   first obs. used      1980-05-22  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:28:08  

Additional Information
 Earth MOID = 1.24342 au 
 Jupiter MOID = 2.08353 au 
 T_jup = 3.354 
[ 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 12.84   n/a MPCxxxxx  
diameter diameter 7.431 km 0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.6472 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Angeli, C.A.; Guimaraes, T.A.; Lazzaro, D.; Duffard, R.; et al. (2001) Astron. J. 121, 2245-2252.]
[Alvarez, E.M. (2010) Minor Planet Bull. 37, 142-143.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Benishek, V. (2020) Minor Planet Bull. 47, 75-83.]
geometric albedo albedo 0.292   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4191 Assesse (1980 KH)          Discovered 1980-May-22 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1980 KH = 1984 DG1 = 1988 BD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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