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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08022375666119663 3.4388e-08  
a 2.998857790807641 1.2454e-08 au
q 2.758278153136355 1.0432e-07 au
i 11.17352468380185 4.0348e-06 deg
node 106.1434656188564 2.1787e-05 deg
peri 339.0747565150393 3.6054e-05 deg
M 72.91934890790859 2.7838e-05 deg
tp 2458616.286592788168
(2019-May-12.78659279)
0.0001467 TDB
period 1896.846703485283
5.19
1.1816e-05
3.235e-08
d
yr
n .1897886631210275 1.1823e-09 deg/d
Q 3.239437428478927 1.3453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2688  
   data-arc span      41743 days (114.29 yr)  
   first obs. used      1906-03-05  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43073  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:17:05  

Additional Information
 Earth MOID = 1.77774 au 
 Jupiter MOID = 1.93644 au 
 T_jup = 3.220 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456535.5 (2013-Aug-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0792310512037869 3.4709e-08  
q 2.760903774643062 1.0527e-07 au
tp 2456730.345844458562
(2014-Mar-13.84584446)
0.000148 TDB
node 106.1998203257454 2.1758e-05 deg
peri 341.3191299030657 3.6096e-05 deg
i 11.18064061858916 4.0368e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2688  
   data-arc span      41743 days (114.29 yr)  
   first obs. used      1906-03-05  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43073  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:17:05  

Additional Information
 Jupiter MOID = 1.93644 au 
 T_jup = 3.220 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.204707936274131E-15 -3.632235426257902E-15 2.926081503813316E-13 -2.306236012175963E-15 4.018074653751798E-14 -1.551562005225456E-15
q -3.632235426257902E-15 1.108209554905474E-14 -1.125109827856764E-12 8.131693457995595E-15 -1.742469604300588E-13 5.111833866167406E-15
tp 2.926081503813316E-13 -1.125109827856764E-12 2.19042333102586E-8 1.0820414080051E-11 4.286860089662931E-9 -3.975039380414352E-12
node -2.306236012175963E-15 8.131693457995595E-15 1.0820414080051E-11 4.734007068496641E-10 -4.617968749610246E-10 1.035990846434031E-11
peri 4.018074653751798E-14 -1.742469604300588E-13 4.286860089662931E-9 -4.617968749610246E-10 1.302910712492802E-9 -1.09303222791929E-11
i -1.551562005225456E-15 5.111833866167406E-15 -3.975039380414352E-12 1.035990846434031E-11 -1.09303222791929E-11 1.629559808629438E-11

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 00:27 00:01 Jupiter 1.94918103936234 1.94918067552155 1.94918140320324 3.82240631404822 3.70697774215375 2433223.519086592 1.15941983593189 91.995667479996 15.1079267587183 86.1646067471954 3855162.94521276 T 40 CATAB v2.0f-lin.ifort 2020-Jun-23 15:17:17 2020-Jun-23 15:17
2033-Feb-24 09:20 < 00:01 Jupiter 1.95890563855428 1.95890525352789 1.95890602358079 3.74977062081874 3.63262827231264 2463652.888952778 0.421171523410845 48.2409415081688 14.3276086854676 78.1239017783271 3738426.37224251 T 40 CATAB v2.0f-lin.ifort 2020-Jun-23 15:17:17 2020-Jun-23 15:17
2116-Jun-19 08:30 00:02 Jupiter 1.97903471611069 1.97903422763891 1.97903520458381 3.66453976375784 3.54582234028352 2494082.854114954 1.94359783609287 131.917634630354 15.4966132953185 82.3865392978712 3653236.20361211 T 40 CATAB v2.0f-lin.ifort 2020-Jun-23 15:17:17 2020-Jun-23 15:17
2162-Sep-10 16:35 00:03 Jupiter 1.98178288441379 1.98178229347175 1.98178347535899 3.88348948984738 3.77182741234389 2510967.191292463 2.69496724508898 171.653079830104 17.9406611041082 -82.9303576680889 4213101.18055011 T 40 CATAB v2.0f-lin.ifort 2020-Jun-23 15:17:17 2020-Jun-23 15:17
2199-Oct-16 02:24 00:04 Jupiter 1.99527893174668 1.99527815408479 1.99527970941549 3.54874271686356 3.42703198092005 2524516.599707174 3.55018378779875 219.829404750095 15.4577222003969 80.6453378068074 3578248.48696883 T 40 CATAB v2.0f-lin.ifort 2020-Jun-23 15:17:17 2020-Jun-23 15:17

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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