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3522 Becker (1941 SW)
Classification: Main-belt Asteroid          SPK-ID: 2003522
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2861638657183064 7.4458e-09  
a 3.180582261467599 1.0311e-08 au
q 2.270414546290958 2.3111e-08 au
i 8.345896756305217 4.0753e-07 deg
node 201.6670498410191 2.4541e-06 deg
peri 149.62132224765 5.3146e-06 deg
M 5.530510089366697 3.7311e-06 deg
tp 2459168.671141478101
(2020-Nov-15.17114148)
2.1415e-05 TDB
period 2071.850314479001
5.67
1.0075e-05
2.758e-08
d
yr
n .1737577263589757 8.4497e-10 deg/d
Q 4.090749976644241 1.3262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2517  
   data-arc span      28991 days (79.37 yr)  
   first obs. used      1941-09-23  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:13:35  

Additional Information
 Earth MOID = 1.26829 au 
 Jupiter MOID = 1.42395 au 
 T_jup = 3.118 
[ 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 12.37   n/a E2021B10  
diameter diameter 20.113 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 31.01 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:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.052   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3522 Becker (1941 SW)          Discovered 1941-Sep-21 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1941 SW = 1964 UG = 1981 TL2 = 1981 UA20 = 1981 WC6 = 2019 GU24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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