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JPL Small-Body Database Browser
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1376 Michelle (1935 UH)
Classification: Main-belt Asteroid          SPK-ID: 2001376
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2153412555434008 3.5835e-08  
a 2.227886286071652 4.5429e-09 au
q 1.748130456021058 7.9187e-08 au
i 3.551267422287466 3.7448e-06 deg
node 163.4375094400746 5.4621e-05 deg
peri 156.1751268304032 5.5384e-05 deg
M 212.3338083724051 1.0964e-05 deg
tp 2459498.714692362780
(2021-Oct-11.21469236)
3.7687e-05 TDB
period 1214.613089656493
3.33
3.7151e-06
1.017e-08
d
yr
n .2963906803456337 9.0657e-10 deg/d
Q 2.707642116122245 5.5212e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2771  
   data-arc span      30750 days (84.19 yr)  
   first obs. used      1935-10-29  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44929  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:00:56  

Additional Information
 Earth MOID = .735993 au 
 Jupiter MOID = 2.60827 au 
 T_jup = 3.611 
[ 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 12.4   n/a MPO416719  
diameter diameter 7.053 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.9748 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hamanowa, H.; Hamanowa, H. (2009) Minor Planet Bull. 36, 87-88.]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
geometric albedo albedo 0.267   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1376 Michelle (1935 UH)          Discovered 1935-Oct-29 by Reiss, G. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1935 UH = 1931 JK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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