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2105 Gudy (1976 DA)
Classification: Main-belt Asteroid          SPK-ID: 2002105
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 .1508767454048307 4.6722e-08  
a 2.388213101038242 9.455e-09 au
q 2.027887281020413 1.0992e-07 au
i 29.35262239036628 6.2061e-06 deg
node 273.599600303825 9.6873e-06 deg
peri 156.0864572542814 2.2017e-05 deg
M 83.74422824469585 1.9471e-05 deg
tp 2458686.911285093516
(2019-Jul-22.41128509)
7.2329e-05 TDB
period 1348.056334538905
3.69
8.0055e-06
2.192e-08
d
yr
n .2670511541516074 1.5859e-09 deg/d
Q 2.74853892105607 1.0882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1960  
   data-arc span      16216 days (44.40 yr)  
   first obs. used      1976-02-25  
   last obs. used      2020-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:12:37  

Additional Information
 Earth MOID = 1.05875 au 
 Jupiter MOID = 2.52399 au 
 T_jup = 3.346 
[ 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 11.3   n/a MPO347535  
diameter diameter 19.673 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.795 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2001) Minor Planet Bull. 28, 30-32.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Buchheim, R.K. (2005) Minor Planet Bull. 32, 79-80.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2011) Minor Planet Bull. 38, 63-65.]
geometric albedo albedo 0.138   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2105 Gudy (1976 DA)          Discovered 1976-Feb-29 by Schuster, H.-E. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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