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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08064571643822306 3.6096e-08  
a 2.786521113019278 1.1243e-08 au
q 2.561800121489604 1.0056e-07 au
i 13.47372245798682 3.9252e-06 deg
node 131.2811192045775 1.7855e-05 deg
peri 14.75004800987507 3.2466e-05 deg
M 96.88981593259489 2.6132e-05 deg
tp 2458743.235417928049
(2019-Sep-16.73541793)
0.00012332 TDB
period 1698.994346943782
4.65
1.0282e-05
2.815e-08
d
yr
n .2118900516929808 1.2824e-09 deg/d
Q 3.011242104548952 1.2149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2834  
   data-arc span      30852 days (84.47 yr)  
   first obs. used      1936-03-19  
   last obs. used      2020-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41535  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:06:11  

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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