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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04632186172367501 5.153e-08  
a 3.185350228366018 2.2571e-08 au
q 3.037798875546171 1.6462e-07 au
i 21.47706199709316 6.0677e-06 deg
node 2.645755154414098 1.0582e-05 deg
peri 21.12570188123341 5.1837e-05 deg
M 25.5035234695318 4.9236e-05 deg
tp 2458853.393488759536
(2020-Jan-04.89348876)
0.00028435 TDB
period 2076.510883283813
5.69
2.2071e-05
6.043e-08
d
yr
n .1733677405199499 1.8427e-09 deg/d
Q 3.332901581185865 2.3616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2185  
   data-arc span      28692 days (78.55 yr)  
   first obs. used      1942-04-11  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:01:03  

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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