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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636181825507004 4.54e-08  
a 3.403725423906545 2.5503e-08 au
q 2.846814056145344 1.5372e-07 au
i 9.987374536040166 6.0577e-06 deg
node 355.181671211779 2.1737e-05 deg
peri 31.65169757659282 2.6595e-05 deg
M 296.8754782251366 1.6674e-05 deg
tp 2459402.684940705655
(2021-Jul-07.18494071)
0.00010792 TDB
period 2293.666147213343
6.28
2.5779e-05
7.058e-08
d
yr
n .1569539666604824 1.764e-09 deg/d
Q 3.960636791667746 2.9676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2896  
   data-arc span      20337 days (55.68 yr)  
   first obs. used      1964-10-12  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4082  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:06:06  

Additional Information
 Earth MOID = 1.85628 au 
 Jupiter MOID = 1.56476 au 
 T_jup = 3.100 
[ 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-August); 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

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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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