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1839 Ragazza (1971 UF)
Classification: Main-belt Asteroid          SPK-ID: 2001839
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1682115593203902 5.1513e-08  
a 2.799724538482407 1.0756e-08 au
q 2.328778508196721 1.433e-07 au
i 10.16580232220394 5.3427e-06 deg
node 50.89550767844626 2.2201e-05 deg
peri 350.4448662856711 2.5254e-05 deg
M 42.51690511962471 1.1107e-05 deg
tp 2458398.416653286406
(2018-Oct-06.91665329)
5.2754e-05 TDB
period 1711.084205499103
4.68
9.8603e-06
2.7e-08
d
yr
n .2103929186202687 1.2124e-09 deg/d
Q 3.270670568768092 1.2565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2023  
   data-arc span      20607 days (56.42 yr)  
   first obs. used      1962-12-02  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41689  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:27:44  

Additional Information
 Earth MOID = 1.33764 au 
 Jupiter MOID = 2.13906 au 
 T_jup = 3.282 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0   n/a MPO425819  
diameter diameter 8.750 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.440   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1839 Ragazza (1971 UF)          Discovered 1971-Oct-20 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1971 UF = 1929 VP = 1962 XW = 1968 BA = 1983 FW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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