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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453289260673414 3.0915e-08  
a 2.25204119510571 5.8731e-09 au
q 1.924754466761585 7.0856e-08 au
i 7.033244165093009 3.8685e-06 deg
node 312.0458866412128 2.8073e-05 deg
peri 95.79339531168516 3.1477e-05 deg
M 302.3483843748764 1.5502e-05 deg
tp 2459398.184174874009
(2021-Jul-02.68417487)
5.3468e-05 TDB
period 1234.419923587189
3.38
4.8289e-06
1.322e-08
d
yr
n .2916349559182829 1.1408e-09 deg/d
Q 2.579327923449835 6.7266e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2680  
   data-arc span      25526 days (69.89 yr)  
   first obs. used      1951-02-05  
   last obs. used      2020-12-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39106  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:55:03  

Additional Information
 Earth MOID = .948967 au 
 Jupiter MOID = 2.78981 au 
 T_jup = 3.603 
[ 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 12.66   n/a E2021B10  
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. 2020-October); 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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