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1860 Barbarossa (1973 SK)
Classification: Main-belt Asteroid          SPK-ID: 2001860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011496686304985 1.8754e-08  
a 2.567781777932621 8.0116e-09 au
q 2.051273324186042 4.6983e-08 au
i 9.920178139928439 6.9303e-07 deg
node 132.8543431762372 4.8373e-06 deg
peri 162.1802889430923 5.8686e-06 deg
M 238.4489759259474 6.9473e-06 deg
tp 2459707.948200947159
(2022-May-08.44820095)
3.0552e-05 TDB
period 1502.919072320461
4.11
7.0338e-06
1.926e-08
d
yr
n .2395338555682649 1.121e-09 deg/d
Q 3.0842902316792 9.6231e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3402  
   data-arc span      40021 days (109.57 yr)  
   first obs. used      1911-08-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3964  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:02:52  

Additional Information
 Earth MOID = 1.0359 au 
 Jupiter MOID = 2.15442 au 
 T_jup = 3.382 
[ 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 11.72   n/a E2021B10  
diameter diameter 16.800 km 0.359 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.255 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Di Martino, M.; Dotto, E.; Barucci, M.A.; Fulchignoni, M.; Rotundi, A. (1994) Icarus 109, 210-218.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Klinglesmith III, D.A.; Hanowell, J.; Risely, E.; Turk, J.; et al. (2013) Minor Planet Bull. 40, 190-193.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.152   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B X   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)

1860 Barbarossa (1973 SK)          Discovered 1973-Sep-28 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1973 SK = 1935 GG = 1943 FD = 1948 PE1 = 1948 PF = 1948 QE = 1951 EA2 = 1952 OC1 = 1960 MA = 1971 BM1 = 1972 JO = A911 QA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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