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3346 Gerla (1951 SD)
Classification: Main-belt Asteroid          SPK-ID: 2003346
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04632185937033851 4.9017e-08  
a 3.185350228647478 2.2148e-08 au
q 3.037798883310794 1.5524e-07 au
i 21.47705898877107 5.5943e-06 deg
node 2.645755859235472 1.0566e-05 deg
peri 21.12570166349461 5.1397e-05 deg
M 25.50352294631125 4.8648e-05 deg
tp 2458853.393491758020
(2020-Jan-04.89349176)		 0.000281 TDB
period 2076.510883559036
5.69		 2.1657e-05
5.929e-08		 d
yr
n .1733677404969715 1.8081e-09 deg/d
Q 3.332901573984163 2.3173e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2214  
   data-arc span      28709 days (78.60 yr)  
   first obs. used      1942-04-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:11:45  

Additional Information
 Earth MOID = 2.04301 au 
 Jupiter MOID = 1.91072 au 
 T_jup = 3.088 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.9   n/a MPO502185  
diameter diameter 34.628 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.080   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3346 Gerla (1951 SD)          Discovered 1952-Sep-27 by Arend, S. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1951 SD = 1942 GM = 1977 EX1 = 1979 RC = 1985 RL2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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