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JPL Small-Body Database Browser
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590 Tomyris (A906 ED)
Classification: Main-belt Asteroid          SPK-ID: 2000590
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .080223764537841 3.6743e-08  
a 2.998857788053231 1.3346e-08 au
q 2.758278126981978 1.1292e-07 au
i 11.17352422917066 4.2243e-06 deg
node 106.1434679711892 2.2577e-05 deg
peri 339.0747525377431 3.6662e-05 deg
M 72.91935165111447 2.8151e-05 deg
tp 2458616.286578863507
(2019-May-12.78657886)
0.00014822 TDB
period 1896.846700871941
5.19
1.2662e-05
3.467e-08
d
yr
n .189788663382505 1.2669e-09 deg/d
Q 3.239437449124484 1.4416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2387  
   data-arc span      41610 days (113.92 yr)  
   first obs. used      1906-03-05  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44765  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:31:37  

Additional Information
 Earth MOID = 1.77774 au 
 Jupiter MOID = 1.93644 au 
 T_jup = 3.220 
[ 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 10.0   n/a MPO502158 IRAS observations used: 8
diameter diameter 30.577 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.562 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Addleman, D.; Covele, B.; Duncan, A.; Johnson, J.; et al. (2005) Minor Planet Bull. 32, 76-78.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2016) Astron. Astrophys., submitted.]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2018) Icarus 299, 84-96.]
geometric albedo albedo 0.187   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.817   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=11.80, mean=13.49, max.=17.67) deg.
U-B UB 0.410   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=11.80, mean=13.49, max.=17.67) deg.

590 Tomyris (A906 ED)          Discovered 1906-Mar-04 by Wolf, M. at Heidelberg
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
1949-Nov-03 00:28 00:01 Jupiter 1.94918102785715 1.94918066077408 1.94918139494033 3.82240619311708 3.7069776167651 2433223.519147558 1.23122647099799 97.1355518669521 15.4148554784279 86.7251544442187 3787045.95888893 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:31:52 2020-Feb-22 15:31
2033-Feb-24 09:20 < 00:01 Jupiter 1.9589056237537 1.95890523296179 1.95890601454573 3.74977056098795 3.63262820965313 2463652.888938411 0.44254034170388 50.5898025983053 14.3395051142179 78.2480588500532 3694973.60926603 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:31:52 2020-Feb-22 15:31
2116-Jun-19 08:30 00:02 Jupiter 1.979034686335 1.97903417980461 1.97903519286707 3.66453976397872 3.54582233869572 2494082.854034635 2.06546889365684 139.87673459939 15.5774604094639 82.3280211379942 3636379.08633793 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:31:52 2020-Feb-22 15:31
2162-Sep-10 16:35 00:03 Jupiter 1.98178289675019 1.981782300141 1.98178349336311 3.88348936808978 3.77182728768711 2510967.191179418 2.86892802052048 182.665168840976 18.2178758566824 -83.2843986364631 4023786.74245701 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:31:52 2020-Feb-22 15:31
2199-Oct-16 02:23 00:04 Jupiter 1.99527887946982 1.9952780629053 1.99527969604228 3.54874276940846 3.4270320320856 2524516.599550830 3.77451402991412 233.346637159228 15.6143906765583 80.645661086555 3573841.76980432 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 15:31:52 2020-Feb-22 15:31

Alternate Designations
 A906 ED = 1954 ME = 1955 SJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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