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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08022375755746813 3.4332e-08  
a 2.9988577904986 1.2436e-08 au
q 2.758278150164316 1.0412e-07 au
i 11.1735247538477 4.0276e-06 deg
node 106.1434654974971 2.1783e-05 deg
peri 339.0747568056589 3.605e-05 deg
M 72.91934886723928 2.7838e-05 deg
tp 2458616.286593061847
(2019-May-12.78659306)
0.0001467 TDB
period 1896.84670319207
5.19
1.1799e-05
3.23e-08
d
yr
n .1897886631503649 1.1806e-09 deg/d
Q 3.239437430832885 1.3434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2709  
   data-arc span      41770 days (114.36 yr)  
   first obs. used      1906-03-05  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:27:56  

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

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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 00:27 00:01 Jupiter 1.94918103751642 1.94918067389014 1.94918140114281 3.82240630371373 3.70697773138644 2433223.519096242 1.15808727835956 91.914843479856 15.0912224190391 86.1458289520882 3859323.13396 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:04 2020-Nov-13 04:28
2033-Feb-24 09:20 < 00:01 Jupiter 1.95890563705689 1.95890525231923 1.95890602179466 3.74977061862341 3.63262826995552 2463652.888950820 0.420678118798915 48.2035993149252 14.3248604273903 78.132387817139 3741949.91952128 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:04 2020-Nov-13 04:28
2116-Jun-19 08:30 00:02 Jupiter 1.97903471316481 1.9790342253616 1.97903520096949 3.66453976283381 3.54582233914888 2494082.854105124 1.94112362369469 131.757776948649 15.4927388758639 82.3937755642382 3655527.94947308 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:04 2020-Nov-13 04:28
2162-Sep-10 16:35 00:03 Jupiter 1.98178288626482 1.98178229537381 1.98178347715899 3.88348948494554 3.77182740740276 2510967.191283586 2.69141899346762 171.422410430555 17.9277131598542 -82.9189721125567 4220476.72597225 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:04 2020-Nov-13 04:28
2199-Oct-16 02:24 00:04 Jupiter 1.99527892562587 1.99527814911495 1.99527970214359 3.54874271338975 3.42703197694287 2524516.599689355 3.54570005671077 219.560094151822 15.4531749524944 80.6491884263011 3579605.37276868 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:04 2020-Nov-13 04:28

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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