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1353 Maartje (1935 CU)
Classification: Main-belt Asteroid          SPK-ID: 2001353
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09552204143654493 4.0911e-08  
a 3.009885150192376 1.8879e-08 AU
q 2.722374776156458 1.2749e-07 AU
i 9.202093300842694 5.1008e-06 deg
node 211.8060330936016 2.9142e-05 deg
peri 98.79614756864767 3.8987e-05 deg
M 305.1698258771582 2.7583e-05 deg
tp 2457290.996187886722
(2015-Sep-25.49618789)
0.0001468 JED
period 1907.318904458
5.22
1.7945e-05
4.913e-08
d
yr
n .1887466218462825 1.7758e-09 deg/d
Q 3.297395524228294 2.0683e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1514  
   data-arc span      34451 days (94.32 yr)  
   first obs. used      1920-05-09  
   last obs. used      2014-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53853  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:38:22  

Additional Information
 Earth MOID = 1.72919 AU 
 T_jup = 3.223 
[ 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 9.8 mag n/a MPO263356  
diameter diameter 33.75 km 3.9 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 16
rotation period rot_per 22.98 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
geometric albedo albedo 0.1073   0.030 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 16

1353 Maartje (1935 CU)          Discovered 1935-Feb-13 by Van Gent, H. at Johannesburg (LS)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1935 CU = 1931 ME = 1953 TZ2 = A910 LB = A916 QB = A920 JC 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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