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650 Amalasuntha (A907 TL)
Classification: Main-belt Asteroid          SPK-ID: 2000650
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184360820142005 4.679e-08  
a 2.457937455316214 8.3731e-09 au
q 2.004790090196364 1.114e-07 au
i 2.563089238070497 4.329e-06 deg
node 215.5153935507086 7.7157e-05 deg
peri 178.987370320563 7.7768e-05 deg
M 133.0322535681831 9.6681e-06 deg
tp 2458680.373339062848
(2019-Jul-15.87333906)
3.7087e-05 TDB
period 1407.520303648812
3.85
7.1922e-06
1.969e-08
d
yr
n .2557689569853787 1.3069e-09 deg/d
Q 2.911084820436065 9.9167e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2748  
   data-arc span      41380 days (113.29 yr)  
   first obs. used      1907-10-04  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:48:31  

Additional Information
 Earth MOID = 1.01023 au 
 Jupiter MOID = 2.51819 au 
 T_jup = 3.467 
[ 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 12.68   n/a E2021B10  
diameter diameter 18.609 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16.582 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2008) Minor Planet Bull. 35, 71-72.]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.027   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

650 Amalasuntha (A907 TL)          Discovered 1907-Oct-04 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A907 TL = 1930 UK = 1947 CB = 1949 PM = 1949 QT = 1949 QY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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