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35222 Delbarrio (1994 XD6)
Classification: Main-belt Asteroid          SPK-ID: 2035222
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05762878444274864 3.3186e-08  
a 2.306157435607691 8.4099e-09 au
q 2.173256385860013 7.8408e-08 au
i 7.197030147835742 3.865e-06 deg
node 75.30244232584901 2.982e-05 deg
peri 128.8683213303347 4.6323e-05 deg
M 29.96643003533571 3.5938e-05 deg
tp 2459094.020902380526
(2020-Sep-01.52090238)
0.00012763 TDB
period 1279.180572988165
3.50
6.9972e-06
1.916e-08
d
yr
n .2814301652182227 1.5394e-09 deg/d
Q 2.439058485355368 8.8946e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1985  
   data-arc span      10892 days (29.82 yr)  
   first obs. used      1990-08-22  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48433  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:03:48  

Additional Information
 Earth MOID = 1.17391 au 
 Jupiter MOID = 2.53226 au 
 T_jup = 3.575 
[ 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 14.74   n/a E2021B10  
diameter diameter 2.641 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 89.0829 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.216   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35222 Delbarrio           Discovered 1994 Dec. 4 by M. Tombelli at Cima Ekar.
Bianca Del Barrio (1943-2006) was the wife of Francesco Gallotti, a member of the Montelupo Astronomical Group.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070106/MPCPages.arcLast Updated: 2007-01-09

Alternate Designations
 1994 XD6 = 1996 KW3 = 1999 CF96 = 2001 VL34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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