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5560 Amytis (1990 MX)
Classification: Main-belt Asteroid          SPK-ID: 2005560
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080582830268336 3.0325e-08  
a 2.286200523000182 6.6473e-09 au
q 2.039157619829733 6.9395e-08 au
i 5.619095564792021 3.376e-06 deg
node 74.95460077474709 3.6077e-05 deg
peri 177.9662359765189 3.9642e-05 deg
M 143.4427157469141 1.6435e-05 deg
tp 2458097.409745328476
(2017-Dec-09.90974533)
5.7346e-05 TDB
period 1262.611982342121
3.46
5.5067e-06
1.508e-08
d
yr
n .2851232247394063 1.2435e-09 deg/d
Q 2.53324342617063 7.3656e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2779  
   data-arc span      20999 days (57.49 yr)  
   first obs. used      1962-05-04  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45725  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:47:13  

Additional Information
 Earth MOID = 1.02434 au 
 Jupiter MOID = 2.49261 au 
 T_jup = 3.588 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO347568  
diameter diameter 4.703 km 0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.732 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Hawkins, S.; Ditteon, R. (2008) Minor Planet Bull. 35, 1-4.]
[Folberth, J.; Casimir, S.; Dou, Y.; Evans, D; et al. (2012) Minor Planet Bull. 39, 51-55.]
geometric albedo albedo 0.290   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5560 Amytis (1990 MX)          Discovered 1990-Jun-27 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 MX = 1962 JE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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