Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2155780475941154 8.2578e-09  
a 2.227721098448959 3.8506e-09 au
q 1.747473333461114 1.8248e-08 au
i 3.551653527977713 2.8157e-07 deg
node 163.4379206616795 1.4885e-05 deg
peri 156.2054889625121 1.4975e-05 deg
M 329.7027638478417 5.1392e-06 deg
tp 2459498.709241451702
(2021-Oct-11.20924145)
1.7467e-05 TDB
period 1214.478005116365
3.33
3.1488e-06
8.621e-09
d
yr
n .2964236474299152 7.6855e-10 deg/d
Q 2.707968863436804 4.6807e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3351  
   data-arc span      31290 days (85.67 yr)  
   first obs. used      1935-10-29  
   last obs. used      2021-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42598  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:18:27  

Additional Information
 Earth MOID = .734664 au 
 Jupiter MOID = 2.60732 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 12.60   n/a MPO614063  
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. 2020-October); 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-28 04:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin