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1630 Milet (1952 DA)
Classification: Main-belt Asteroid          SPK-ID: 2001630
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 .1685886395631065 3.0582e-08  
a 3.029905125657415 1.2095e-08 au
q 2.519097542517548 9.4234e-08 au
i 4.536597509033328 4.7199e-06 deg
node 54.45836760216774 4.431e-05 deg
peri 95.32923902943828 4.6678e-05 deg
M 330.3123328283999 1.4737e-05 deg
tp 2459159.360360335893
(2020-Nov-05.86036034)
7.9185e-05 TDB
period 1926.380048333022
5.27
1.1534e-05
3.158e-08
d
yr
n .1868790119122772 1.119e-09 deg/d
Q 3.540712708797282 1.4134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2719  
   data-arc span      35011 days (95.85 yr)  
   first obs. used      1924-12-23  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:17:02  

Additional Information
 Earth MOID = 1.53529 au 
 Jupiter MOID = 1.48047 au 
 T_jup = 3.217 
[ 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 11.6   n/a MPO425816  
diameter diameter 19.168 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 32.55 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pray, D. (2005) Minor Planet Bull. 32, 48-51.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.102   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

1630 Milet (1952 DA)          Discovered 1952-Feb-28 by Boyer, L. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1952 DA = 1931 DQ = 1936 AB = 1942 GH = 1956 YL = A924 YD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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