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1336 Zeelandia (1934 RW)
Classification: Main-belt Asteroid          SPK-ID: 2001336
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06429109818440659 4.7895e-08  
a 2.849197307427322 1.516e-08 AU
q 2.666019283588766 1.396e-07 AU
i 3.197409943987319 4.7089e-06 deg
node 97.42955238442988 9.4275e-05 deg
peri 220.5586211155264 0.00010056 deg
M 230.8524534683103 3.6007e-05 deg
tp 2457430.681825751026
(2016-Feb-12.18182575)
0.00017734 JED
period 1756.637763263291
4.81
1.402e-05
3.838e-08
d
yr
n .204936958278314 1.6356e-09 deg/d
Q 3.03237533126588 1.6135e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1672  
   data-arc span      29143 days (79.79 yr)  
   first obs. used      1934-09-09  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54942  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:58:49  

Additional Information
 Earth MOID = 1.6525 AU 
 T_jup = 3.301 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.66 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
diameter diameter 20.99 km 2.1 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 15.602 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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 0.2183   0.052 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
B-V BV .810 mag .022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=3.21 deg.
U-B UB .366 mag .034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #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

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