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1306 Scythia (1930 OB)
Classification: Main-belt Asteroid          SPK-ID: 2001306
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09545586353272881 3.6364e-08  
a 3.144040225454131 1.5087e-08 au
q 2.843923150751771 1.1542e-07 au
i 14.98677762017966 4.6694e-06 deg
node 274.0707294867577 1.5585e-05 deg
peri 141.0246004816698 2.9406e-05 deg
M 246.4184122820554 2.5448e-05 deg
tp 2459242.945071993822
(2021-Jan-28.44507199)
0.00014462 TDB
period 2036.247516561491
5.57
1.4656e-05
4.013e-08
d
yr
n .1767957957330816 1.2725e-09 deg/d
Q 3.44415730015649 1.6527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2214  
   data-arc span      32608 days (89.28 yr)  
   first obs. used      1930-07-22  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4044  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:03:34  

Additional Information
 Earth MOID = 1.87297 au 
 Jupiter MOID = 1.86639 au 
 T_jup = 3.150 
[ 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 9.71   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 16
diameter diameter 66.780 km 0.710 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.525 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.035   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.853   0.147 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=1.56, mean=2.00, max.=2.43) deg.
U-B UB 0.398   0.053 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=1.56, mean=2.00, max.=2.43) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1306 Scythia (1930 OB)          Discovered 1930-Jul-22 by Neujmin, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1930 OB = 1933 DN = 1935 OA = 1951 JB = 1956 EM1 = 1957 KQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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