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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 ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1064390287179989 4.496e-08  
a 2.741290900206813 1.4265e-08 au
q 2.449510559355311 1.238e-07 au
i 6.920698315458227 4.7156e-06 deg
node 114.9575747511771 4.0936e-05 deg
peri 260.6612370288083 4.6595e-05 deg
M 203.3760490513831 2.4241e-05 deg
tp 2458321.751597195518
(2018-Jul-22.25159720)
0.00011323 JED
period 1657.796099624438
4.54
1.294e-05
3.543e-08
d
yr
n .2171557769267014 1.6951e-09 deg/d
Q 3.033071241058315 1.5784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1800  
   data-arc span      30454 days (83.38 yr)  
   first obs. used      1932-11-30  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48978  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:33:37  

Additional Information
 Earth MOID = 1.46082 au 
 Jupiter MOID = 2.45268 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 10.8 mag n/a MPO337256  
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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