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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842227055654245 4.6819e-08  
a 2.458251787528421 8.4248e-09 au
q 2.005385992268895 1.1146e-07 au
i 2.562859231844645 4.3518e-06 deg
node 215.5236729797434 7.7829e-05 deg
peri 179.0112837646468 7.8458e-05 deg
M 81.86022393928727 9.6459e-06 deg
tp 2458680.383249349168
(2019-Jul-15.88324935)
3.7327e-05 TDB
period 1407.790312420478
3.85
7.2371e-06
1.981e-08
d
yr
n .2557199014823704 1.3146e-09 deg/d
Q 2.911117582787948 9.9768e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2632  
   data-arc span      41317 days (113.12 yr)  
   first obs. used      1907-10-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47371  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:34:39  

Additional Information
 Earth MOID = 1.01194 au 
 Jupiter MOID = 2.51698 au 
 T_jup = 3.466 
[ 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 12.6   n/a MPO502159  
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

[ 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
1972-Aug-06 20:31 < 00:01 Thisb 0.0291123907121384 0.0291103641124455 0.0291144173451272 4.27306679587399 4.27306674106432 2441536.354606961 0.380527438454844 113.938795758689 36.8109796117674 29.2611537455725 66720.0496310546 T 31 CATAB v2.0f-lin.ifort 2020-Dec-17 19:34:46 2020-Dec-17 19:34
2064-Nov-10 17:10 00:03 Iris 0.0250753338976421 0.0250738530664984 0.0250768150972648 1.50176611768706 1.50176596502749 2475235.215383953 3.23062350360058 177.718246191007 26.462342387863 -67.0293351180704 130275.750166614 T 31 CATAB v2.0f-lin.ifort 2020-Dec-17 19:34:46 2020-Dec-17 19:34
2161-Jul-02 04:22 00:01 Thisb 0.0308853511161083 0.030882878627197 0.0308878263677883 4.04861449075923 4.0486144362317 2510531.682062546 1.22408691525016 497.266133915732 36.2927086313727 76.2518935379676 123611.659738432 T 31 CATAB v2.0f-lin.ifort 2020-Dec-17 19:34:46 2020-Dec-17 19:34

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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