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JPL Small-Body Database Browser
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4169 Celsius (1980 FO3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004169
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .16591658837706 4.7424e-08  
a 3.407463965336142 2.3857e-08 au
q 2.842109169189801 1.6217e-07 au
i 9.980391904890054 6.2696e-06 deg
node 355.6822064719082 2.1888e-05 deg
peri 30.67794724123616 2.6452e-05 deg
M 234.9322753815406 1.6015e-05 deg
tp 2459398.656550887119
(2021-Jul-03.15655089)
0.00010615 TDB
period 2297.446117261123
6.29
2.4128e-05
6.606e-08
d
yr
n .1566957315321807 1.6457e-09 deg/d
Q 3.972818761482483 2.7816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2172  
   data-arc span      20061 days (54.92 yr)  
   first obs. used      1964-10-12  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47017  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:44:50  

Additional Information
 Earth MOID = 1.85041 au 
 Jupiter MOID = 1.54722 au 
 T_jup = 3.099 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.0   n/a MPO234865  
diameter diameter 37.303 km 0.195 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.887 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.057   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4169 Celsius (1980 FO3)          Discovered 1980-Mar-16 by Lagerkvist, C.-I. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 FO3 = 1964 TM = 1974 FK = 1977 TL7 = 1984 BE = 1986 EQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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