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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011773168106619 1.7124e-08  
a 2.567296490550331 7.5685e-09 au
q 2.050814671123987 4.3578e-08 au
i 9.92030667018509 6.9179e-07 deg
node 132.8547698268475 4.8094e-06 deg
peri 162.2346173065249 5.8361e-06 deg
M 285.3438453920215 6.545e-06 deg
tp 2459708.084312081587
(2022-May-08.58431208)
2.8162e-05 TDB
period 1502.493035415243
4.11
6.6441e-06
1.819e-08
d
yr
n .2396017761909339 1.0595e-09 deg/d
Q 3.083778309976676 9.0911e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3727  
   data-arc span      40161 days (109.95 yr)  
   first obs. used      1911-08-19  
   last obs. used      2021-08-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38394  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:08:11  

Additional Information
 Earth MOID = 1.03695 au 
 Jupiter MOID = 2.15419 au 
 T_jup = 3.382 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456959.5 (2014-Oct-29.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025114452389628 1.7145e-08  
q 2.046813429559032 4.3696e-08 au
tp 2456702.454206286744
(2014-Feb-13.95420629)
2.2364e-05 TDB
node 132.925680255333 4.8057e-06 deg
peri 162.0999410883359 5.8237e-06 deg
i 9.92646220959919 6.9222e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3727  
   data-arc span      40161 days (109.95 yr)  
   first obs. used      1911-08-19  
   last obs. used      2021-08-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38394  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:08:11  

Additional Information
 Jupiter MOID = 2.15419 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.939363256350121E-16 -7.422214455389665E-16 2.593002052498308E-13 8.503779773796765E-15 2.869026058446456E-14 -4.804864833065198E-16
q -7.422214455389665E-16 1.909349014996064E-15 -6.40143388667332E-13 -2.071168223706563E-14 -6.801325104797295E-14 1.116296588712673E-15
tp 2.593002052498308E-13 -6.40143388667332E-13 5.001640609317887E-10 2.473939161242277E-11 6.727508137348446E-11 -3.16682675894046E-12
node 8.503779773796765E-15 -2.071168223706563E-14 2.473939161242277E-11 2.309448581949307E-11 -1.929438195033658E-11 1.126695187174794E-12
peri 2.869026058446456E-14 -6.801325104797295E-14 6.727508137348446E-11 -1.929438195033658E-11 3.391540564914221E-11 -1.703589761836883E-12
i -4.804864833065198E-16 1.116296588712673E-15 -3.16682675894046E-12 1.126695187174794E-12 -1.703589761836883E-12 4.791721591421323E-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 11.73   n/a MPO614063  
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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