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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .201149668484504 1.8609e-08  
a 2.567781777894047 7.9702e-09 au
q 2.05127332453011 4.6682e-08 au
i 9.9201781419257 6.9296e-07 deg
node 132.8543431480123 4.8346e-06 deg
peri 162.1802889434189 5.8658e-06 deg
M 238.4489759846002 6.9012e-06 deg
tp 2459707.948200690862
(2022-May-08.44820069)
3.0342e-05 TDB
period 1502.919072286595
4.11
6.9974e-06
1.916e-08
d
yr
n .2395338555736624 1.1152e-09 deg/d
Q 3.084290231257985 9.5734e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3438  
   data-arc span      40030 days (109.60 yr)  
   first obs. used      1911-08-19  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:48:37  

Additional Information
 Earth MOID = 1.0359 au 
 Jupiter MOID = 2.15442 au 
 T_jup = 3.382 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456689.5 (2014-Feb-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025703979448217 1.8644e-08  
q 2.046958149663282 4.6849e-08 au
tp 2456702.573352793234
(2014-Feb-14.07335279)
2.3395e-05 TDB
node 132.925145954863 4.8313e-06 deg
peri 162.1438616228411 5.8502e-06 deg
i 9.926237165076568 6.9338e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3438  
   data-arc span      40030 days (109.60 yr)  
   first obs. used      1911-08-19  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:48:37  

Additional Information
 Jupiter MOID = 2.15442 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.47614549763547E-16 -8.659726106592948E-16 3.095054999930961E-13 1.174746748101388E-14 3.27920663967512E-14 -6.627617448289463E-16
q -8.659726106592948E-16 2.194803022459239E-15 -7.559836168793487E-13 -2.820439482548952E-14 -7.746687628015294E-14 1.538385772012367E-15
tp 3.095054999930961E-13 -7.559836168793487E-13 5.473066870887593E-10 2.791978680993471E-11 7.098386534329323E-11 -3.357535433787155E-12
node 1.174746748101388E-14 -2.820439482548952E-14 2.791978680993471E-11 2.334103399715489E-11 -1.906996844715037E-11 1.108487567327775E-12
peri 3.27920663967512E-14 -7.746687628015294E-14 7.098386534329323E-11 -1.906996844715037E-11 3.422521120383479E-11 -1.714029981593135E-12
i -6.627617448289463E-16 1.538385772012367E-15 -3.357535433787155E-12 1.108487567327775E-12 -1.714029981593135E-12 4.807709728993179E-13

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

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

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 ]
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