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3642 Frieden (1953 XL1)
Classification: Main-belt Asteroid          SPK-ID: 2003642
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08064567196498795 2.2112e-08  
a 2.786521114419094 1.1028e-08 au
q 2.561800246702139 6.0313e-08 au
i 13.47371955524456 4.7695e-07 deg
node 131.2811362862157 4.9425e-06 deg
peri 14.75002216205871 1.336e-05 deg
M 96.88982194311779 1.1069e-05 deg
tp 2458743.235389217253
(2019-Sep-16.73538922)
5.1577e-05 TDB
period 1698.994348224023
4.65
1.0086e-05
2.761e-08
d
yr
n .2118900515333155 1.2578e-09 deg/d
Q 3.011241982136049 1.1917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2872  
   data-arc span      31042 days (84.99 yr)  
   first obs. used      1936-03-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41698  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:21:53  

Additional Information
 Earth MOID = 1.57656 au 
 Jupiter MOID = 2.016 au 
 T_jup = 3.286 
[ 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 11.27   n/a E2021B10  
diameter diameter 31.899 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.491 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 85-88.]
geometric albedo albedo 0.071   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3642 Frieden (1953 XL1)          Discovered 1953-Dec-04 by Gessner, H. at Sonneberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1953 XL1 = 1936 FU = 1945 BD = 1950 FK = 1959 CB1 = 1959 EB1 = 1978 GB3 = 1982 BK8 = A908 ED 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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