Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09546891222553903 4.0941e-08  
a 3.009321803019187 1.8908e-08 AU
q 2.722025123948347 1.2751e-07 AU
i 9.202942296112788 5.1018e-06 deg
node 211.8076752636678 2.917e-05 deg
peri 98.89891828841247 3.9018e-05 deg
M 267.3081835452996 2.7525e-05 deg
tp 2457291.453393904216
(2015-Sep-25.95339390)
0.00014689 JED
period 1906.783452581212
5.22
1.7971e-05
4.92e-08
d
yr
n .1887996245785898 1.7794e-09 deg/d
Q 3.296618482090026 2.0713e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1505  
   data-arc span      34392 days (94.16 yr)  
   first obs. used      1920-05-09  
   last obs. used      2014-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54007  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:58:55  

Additional Information
 Earth MOID = 1.72698 AU 
 T_jup = 3.224 
[ 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. 2013-Sep-12) 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]
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-01 13:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin