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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 ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08032913672177666 3.7935e-08  
a 2.99972720628423 1.3731e-08 au
q 2.758761709402591 1.1724e-07 au
i 11.17293206164669 4.2638e-06 deg
node 106.1429051057272 2.3096e-05 deg
peri 339.3127758150085 3.7009e-05 deg
M 356.8041517217331 2.8291e-05 deg
tp 2458617.346307442894
(2019-May-13.84630744)
0.00014914 TDB
period 1897.671651274609
5.20
1.303e-05
3.567e-08
d
yr
n .1897061589965782 1.3025e-09 deg/d
Q 3.240692703165869 1.4834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2288  
   data-arc span      41547 days (113.75 yr)  
   first obs. used      1906-03-05  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45702  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:45:39  

Additional Information
 Earth MOID = 1.77818 au 
 Jupiter MOID = 1.9357 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 9.90   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 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-January); 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 00:28 00:01 Jupiter 1.94918111122871 1.94918074261617 1.94918147984137 3.82240631226127 3.70697774463327 2433223.519156978 1.26962342301301 99.9728625660603 15.5395306839387 86.940316249327 3771256.03645764 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:45:56 2019-Dec-13 20:46
2033-Feb-24 09:20 < 00:01 Jupiter 1.95890567672579 1.95890528318695 1.95890607026474 3.74977075242782 3.63262841048521 2463652.888954006 0.453567916537541 51.887863514207 14.3414736169513 78.2919971280383 3687301.98655111 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:45:56 2019-Dec-13 20:46
2116-Jun-19 08:30 00:02 Jupiter 1.97903470904656 1.97903419394461 1.97903522415042 3.66454002773442 3.54582261266743 2494082.854054799 2.12955724982037 144.077464118239 15.6351520109898 82.3190041259079 3635025.8190442 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:45:56 2019-Dec-13 20:46
2162-Sep-10 16:35 00:03 Jupiter 1.98178303156839 1.98178243159696 1.98178363154365 3.88348945281948 3.77182738263385 2510967.191205982 2.9599100857742 188.486153628761 18.3220229736952 -83.4378072902438 3964641.39719145 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:45:56 2019-Dec-13 20:46
2199-Oct-16 02:23 00:04 Jupiter 1.99527887068424 1.99527803505782 1.99527970631928 3.54874310400004 3.42703237801473 2524516.599563585 3.89184102698634 240.432236011826 15.7077034192597 80.6591896779922 3573000.23292582 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:45:56 2019-Dec-13 20:46

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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