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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754768274071712 4.2734e-08  
a 3.134217695303162 2.3135e-08 au
q 2.584235117727947 1.3399e-07 au
i 18.34395807191426 6.9045e-06 deg
node 34.03219429051671 1.6573e-05 deg
peri 88.88943824816742 2.5691e-05 deg
M 282.2494121417278 1.7986e-05 deg
tp 2458038.216930236186
(2017-Oct-11.71693024)
0.00010187 JED
period 2026.712584762298
5.55
2.244e-05
6.144e-08
d
yr
n .1776275544478461 1.9668e-09 deg/d
Q 3.684200272878377 2.7195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1127  
   data-arc span      31263 days (85.59 yr)  
   first obs. used      1930-05-19  
   last obs. used      2015-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50879  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 17:43:01  

Additional Information
 Earth MOID = 1.67756 au 
 Jupiter MOID = 1.72302 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 9.3 mag n/a MPO350805  
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 LCDB (Rev. 2016-February); Warner et al., 2009 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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