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129188 Dangallagher (2005 MM4)
Classification: Main-belt Asteroid          SPK-ID: 2129188
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385087452068809 5.8772e-08  
a 2.696788368776679 2.0449e-08 au
q 2.32325959572891 1.539e-07 au
i 12.68900486520697 5.2533e-06 deg
node 86.29056908044048 3.4829e-05 deg
peri 137.0344403977973 4.278e-05 deg
M 160.641548334903 2.5889e-05 deg
tp 2458278.687984591946
(2018-Jun-09.18798459)
0.00011563 TDB
period 1617.591017021097
4.43
1.8398e-05
5.037e-08
d
yr
n .2225531646824822 2.5313e-09 deg/d
Q 3.070317141824448 2.3281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      8587 days (23.51 yr)  
   first obs. used      1996-04-23  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57735  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 15:15:33  

Additional Information
 Earth MOID = 1.32934 au 
 Jupiter MOID = 1.98352 au 
 T_jup = 3.321 
[ 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 15.8   n/a MPO348252  
diameter diameter 3.983 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129188 Dangallagher           Discovered 2005 June 17 by Mt. Lemmon Survey at Mount Lemmon.
Daniel Gallagher (b. 1980) is a Multimedia Producer at NASA's Goddard Spaceflight Center. He is supporting the OSIRIS-REx Asteroid Sample Return Mission with videos, animations and other media products.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-11-14Last Updated: 2016-11-20

[ show close-approach data ]
Alternate Designations
 2005 MM4 = 2001 OO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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