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912 Maritima (1919 FJ)
Classification: Main-belt Asteroid          SPK-ID: 2000912
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756756323176437 4.3846e-08  
a 3.13453014784973 2.4994e-08 AU
q 2.583869582107512 1.3608e-07 AU
i 18.3406442181065 7.4627e-06 deg
node 34.05108434716771 1.6856e-05 deg
peri 88.77240871243936 2.8149e-05 deg
M 175.8288714726449 1.9095e-05 deg
tp 2456010.478122788902
(2012-Mar-23.97812279)
0.00010937 JED
period 2027.015659094669
5.55
2.4244e-05
6.638e-08
d
yr
n .1776009960183473 2.1242e-09 deg/d
Q 3.685190713591948 2.9385e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1019  
   data-arc span      30737 days (84.15 yr)  
   first obs. used      1930-05-19  
   last obs. used      2014-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52927  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 13:53:58  

Additional Information
 Earth MOID = 1.67852 AU 
 T_jup = 3.111 
[ 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 9.2 mag n/a MPO265961  
diameter diameter 83.17 km 2.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 8
rotation period rot_per 1332. h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Higgins, D.; Martinez, L. (2011) Minor Planet Bul. 38, 78-79.]
geometric albedo albedo 0.1115   0.006 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 8
SMASSII spectral type spec_B C   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)

912 Maritima (1919 FJ)          Discovered 1919-Apr-27 by Schwassmann, A. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1919 FJ = 1930 GA = 1930 MO = A911 WB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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