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JPL Small-Body Database Browser
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34949 (4111 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2034949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09504247674444882 4.2206e-08  
a 3.087237567467561 2.3209e-08 au
q 2.793818862756936 1.3494e-07 au
i 4.516727406720916 4.8512e-06 deg
node 46.05268929075256 6.6281e-05 deg
peri 193.5105879359089 7.4065e-05 deg
M 270.7110502611058 3.6594e-05 deg
tp 2459091.915347904539
(2020-Aug-30.41534790)
0.00020357 TDB
period 1981.314885693772
5.42
2.2342e-05
6.117e-08
d
yr
n .1816975194601353 2.0489e-09 deg/d
Q 3.380656272178185 2.5415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      17543 days (48.03 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:44:37  

Additional Information
 Earth MOID = 1.78172 au 
 Jupiter MOID = 1.62069 au 
 T_jup = 3.214 
[ 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 14.5   n/a MPO431894  
diameter diameter 6.204 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34949 (4111 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4111 T-1 = 1998 FQ51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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