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

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09687159317958173 3.354e-08  
a 3.011629417753858 1.2308e-08 au
q 2.719888077989546 1.0398e-07 au
i 9.1983703545985 4.5355e-06 deg
node 211.770342519791 2.3033e-05 deg
peri 97.85321829079504 3.2793e-05 deg
M 323.6282291712257 2.4503e-05 deg
tp 2459193.369106337750
(2020-Dec-09.86910634)
0.00013025 TDB
period 1908.977118778625
5.23
1.1702e-05
3.204e-08
d
yr
n .1885826689375565 1.156e-09 deg/d
Q 3.303370757518171 1.35e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2793  
   data-arc span      36565 days (100.11 yr)  
   first obs. used      1920-05-09  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:30:20  

Additional Information
 Earth MOID = 1.72572 au 
 Jupiter MOID = 1.95176 au 
 T_jup = 3.223 
[ 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 9.9   n/a MPO435708  
diameter diameter 39.013 km 0.534 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 22.930 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 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.]
[Garceran, A.C.; Aznar, A.; Mansego, E.A.; Rodriguez, P.B.; et al. (2016) Minor Planet Bull. 43, 92-97.]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2016) Astron. Astrophys., submitted.]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2018) Icarus 299, 84-96.]
geometric albedo albedo 0.136   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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