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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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09545586696032485 3.7733e-08  
a 3.144040227036105 1.5801e-08 au
q 2.843923141406237 1.1863e-07 au
i 14.98677712694592 4.776e-06 deg
node 274.0707312330404 1.591e-05 deg
peri 141.0245988807822 2.9531e-05 deg
M 246.4184116314102 2.5483e-05 deg
tp 2459242.945076158914
(2021-Jan-28.44507616)
0.00014489 TDB
period 2036.247518098346
5.57
1.5351e-05
4.203e-08
d
yr
n .1767957955996452 1.3328e-09 deg/d
Q 3.444157312665973 1.731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2135  
   data-arc span      32533 days (89.07 yr)  
   first obs. used      1930-07-22  
   last obs. used      2019-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41091  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:16:39  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1913-Mar-03 03:31 00:02 Jupiter 1.88864133543732 1.88864092637962 1.88864174449535 4.8936110291775 4.80108987429301 2419829.646312152 1.90372479149291 217.257463316593 18.9996821353151 88.8061347297743 3964003.60848013 T 39 CATAB v2.0f-lin.ifort 2019-Sep-23 19:16:50 2019-Sep-23 19:16
1997-Jan-18 17:51 < 00:01 Jupiter 1.9685066779634 1.96850617976321 1.96850717616371 4.84847354533389 4.75889924688557 2450467.243587858 0.368481027020306 121.203574075379 23.1939235913881 86.8418815949033 4097631.4206226 T 39 CATAB v2.0f-lin.ifort 2019-Sep-23 19:16:50 2019-Sep-23 19:16
2007-Aug-18 10:46 < 00:01 Jupiter 1.92041984733256 1.92041944317311 1.92042025149212 4.76052753010897 4.66695833904554 2454330.948872463 0.212766596719823 63.3381808821529 17.080458103273 82.03669704822 3875385.83258975 T 39 CATAB v2.0f-lin.ifort 2019-Sep-23 19:16:50 2019-Sep-23 19:16
2091-Jun-30 18:27 00:02 Jupiter 1.8970440522776 1.89704355371005 1.89704455084537 4.87163922541365 4.77910836992556 2484963.269003312 1.56797447958337 158.008986640439 23.6370637047255 -88.082708049771 3905551.7142815 T 39 CATAB v2.0f-lin.ifort 2019-Sep-23 19:16:50 2019-Sep-23 19:16
2102-Jan-31 23:25 00:02 Jupiter 1.99374204258864 1.99374115756767 1.99374292761596 4.57513800498743 4.48131750879651 2488830.475850694 1.81284400205317 202.701003061683 16.688113143357 78.0255792274278 3696491.19079735 T 39 CATAB v2.0f-lin.ifort 2019-Sep-23 19:16:50 2019-Sep-23 19:16
2185-Dec-14 22:36 00:03 Jupiter 1.87921642485428 1.87921596728685 1.87921688242929 4.84812109676858 4.75424175451903 2519463.441816028 3.35519336570092 374.801286444597 18.4831263354935 88.1329537535166 3803754.36423928 T 39 CATAB v2.0f-lin.ifort 2019-Sep-23 19:16:50 2019-Sep-23 19:16

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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