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3369 Freuchen (1985 UZ)
Classification: Main-belt Asteroid          SPK-ID: 2003369
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139703863237357 3.9464e-08  
a 3.040210751650296 1.4498e-08 au
q 2.615481564589 1.1931e-07 au
i 7.980228432484451 3.9123e-06 deg
node 267.4293354124299 3.0319e-05 deg
peri 141.71212124089 3.2976e-05 deg
M 200.9621492772189 1.3803e-05 deg
tp 2460055.865953509150
(2023-Apr-21.36595351)
7.6474e-05 TDB
period 1936.216704789667
5.30
1.385e-05
3.792e-08
d
yr
n .1859296013248203 1.33e-09 deg/d
Q 3.464939938711591 1.6524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2358  
   data-arc span      18089 days (49.52 yr)  
   first obs. used      1971-02-01  
   last obs. used      2020-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4385  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:01:50  

Additional Information
 Earth MOID = 1.63115 au 
 Jupiter MOID = 1.90974 au 
 T_jup = 3.211 
[ 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 12.32   n/a E2021B10  
diameter diameter 23.648 km 0.517 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 43.6173 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.050   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3369 Freuchen (1985 UZ)          Discovered 1985-Oct-18 by Jensen, P. and Augustesen, K. at Brorfelde
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 UZ = 1971 CA = 1975 XF2 = 1979 OG16 = 1980 XD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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