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4824 Stradonice (1986 WL1)
Classification: Main-belt Asteroid          SPK-ID: 2004824
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05582681996271838 2.6037e-08  
a 2.288522723512034 6.9581e-09 au
q 2.160761777445937 6.1219e-08 au
i 6.469974700258617 3.6906e-06 deg
node 40.26593139335043 2.9539e-05 deg
peri 42.56061735348706 4.9476e-05 deg
M 287.8833871563048 4.0183e-05 deg
tp 2459453.816856662496
(2021-Aug-27.31685666)
0.00014151 TDB
period 1264.536211595954
3.46
5.7671e-06
1.579e-08
d
yr
n .2846893562230606 1.2984e-09 deg/d
Q 2.41628366957813 7.3465e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2422  
   data-arc span      16044 days (43.93 yr)  
   first obs. used      1977-02-12  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:20:31  

Additional Information
 Earth MOID = 1.18022 au 
 Jupiter MOID = 2.69113 au 
 T_jup = 3.590 
[ 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 13.73   n/a E2021B10  
diameter diameter 4.119 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.890 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.454   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Sr   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)

4824 Stradonice (1986 WL1)          Discovered 1986-Nov-25 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1986 WL1 = 1984 DL1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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