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1336 Zeelandia (1934 RW)
Classification: Main-belt Asteroid          SPK-ID: 2001336
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06514564356589368 1.4766e-08  
a 2.851809376961774 9.3895e-09 au
q 2.666026419772349 4.4069e-08 au
i 3.196421225668984 2.2285e-07 deg
node 97.41401613448613 1.5058e-05 deg
peri 218.2452105271024 2.6845e-05 deg
M 4.715931588710895 1.826e-05 deg
tp 2459177.456727188071
(2020-Nov-23.95672719)
8.9245e-05 TDB
period 1759.053976133265
4.82
8.6875e-06
2.379e-08
d
yr
n .2046554596302658 1.0107e-09 deg/d
Q 3.037592334151199 1.0001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3068  
   data-arc span      42054 days (115.14 yr)  
   first obs. used      1905-10-26  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47123  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:18:51  

Additional Information
 Earth MOID = 1.65108 au 
 Jupiter MOID = 2.14071 au 
 T_jup = 3.300 
[ 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 10.67   n/a E2021B10 IRAS observations used: 2
diameter diameter 21.441 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.602 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Slivan, S.M.; Binzel, R.P.; Boroumand, S.C.; Pan M.W.; et al. (2008) Icarus 195, 226-276.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.232   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.810   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=3.21 deg.
U-B UB 0.366   0.034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=3.21 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B S   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)

1336 Zeelandia (1934 RW)          Discovered 1934-Sep-09 by Van Gent, H. at Johannesburg (LS)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1934 RW = 1929 QE = 1930 XC = 1935 YF = 1939 RP = A906 YO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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