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1405 Sibelius (1936 RE)
Classification: Main-belt Asteroid          SPK-ID: 2001405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1456795757971245 3.5933e-08  
a 2.252691992040499 6.2596e-09 au
q 1.92452077823846 8.1222e-08 au
i 7.031892561744035 4.2833e-06 deg
node 312.0491775411939 3.3936e-05 deg
peri 95.67935237117534 3.7459e-05 deg
M 244.1890013825098 1.5978e-05 deg
tp 2459397.781603751945
(2021-Jul-02.28160375)
5.5279e-05 TDB
period 1234.955047949137
3.38
5.1474e-06
1.409e-08
d
yr
n .2915085861609653 1.215e-09 deg/d
Q 2.580863205842538 7.1715e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2252  
   data-arc span      24932 days (68.26 yr)  
   first obs. used      1951-02-05  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40911  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:22:42  

Additional Information
 Earth MOID = .949567 au 
 Jupiter MOID = 2.78903 au 
 T_jup = 3.602 
[ 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 12.5   n/a MPO250209  
diameter diameter 6.810 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.040 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2007) http://www.asu.cas.cz/~ppravec/neo.htm]
[Stephens, R.D. (2018) Minor Planet Bull. 45, 135-137.]
geometric albedo albedo 0.388   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1405 Sibelius (1936 RE)          Discovered 1936-Sep-12 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1936 RE = 1951 CO = 1953 VK3 = 1963 ST 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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