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1385 Gelria (1935 MJ)
Classification: Main-belt Asteroid          SPK-ID: 2001385
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 .1049093093986211 4.6572e-08  
a 2.741719024949293 1.5856e-08 AU
q 2.454087175476801 1.2876e-07 AU
i 6.928226189937875 5.3206e-06 deg
node 115.0364060450209 4.3416e-05 deg
peri 259.8665417663313 5.0074e-05 deg
M 74.04864093934475 2.5584e-05 deg
tp 2456659.426925030861
(2014-Jan-01.92692503)
0.00011757 JED
period 1658.184477544533
4.54
1.4385e-05
3.938e-08
d
yr
n .2171049149688664 1.8834e-09 deg/d
Q 3.029350874421784 1.752e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1424  
   data-arc span      29979 days (82.08 yr)  
   first obs. used      1932-11-30  
   last obs. used      2014-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52104  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-07 23:51:10  

Additional Information
 Earth MOID = 1.46629 AU 
 T_jup = 3.331 
[ 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 10.70 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
diameter diameter 22.19 km 1.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.1883   0.035 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
SMASSII spectral type spec_B S   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)

1385 Gelria (1935 MJ)          Discovered 1935-May-24 by Van Gent, H. at Johannesburg (LS)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1935 MJ = 1932 WP = 1932 WQ = 1936 SN = 1948 GJ = 1952 DM3 = 1958 OD 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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