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JPL Small-Body Database Browser
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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842227047220612 4.7357e-08  
a 2.458251787880458 8.5393e-09 au
q 2.005385994629277 1.13e-07 au
i 2.56285959382626 4.621e-06 deg
node 215.5236726919857 7.8006e-05 deg
peri 179.01128363886 7.8637e-05 deg
M 81.86022401601207 9.6929e-06 deg
tp 2458680.383248980370
(2019-Jul-15.88324898)
3.7492e-05 TDB
period 1407.790312722883
3.85
7.3354e-06
2.008e-08
d
yr
n .2557199014274396 1.3324e-09 deg/d
Q 2.911117581131638 1.0112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2467  
   data-arc span      41001 days (112.25 yr)  
   first obs. used      1907-10-04  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:36:01  

Additional Information
 Earth MOID = 1.01194 au 
 Jupiter MOID = 2.51698 au 
 T_jup = 3.466 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455759.5 (2011-Jul-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184467054698199 4.7337e-08  
q 2.004835352063119 1.1305e-07 au
tp 2455862.102673950336
(2011-Oct-27.60267395)
3.6795e-05 TDB
node 215.5948135114201 7.8194e-05 deg
peri 178.4819663150057 7.882e-05 deg
i 2.557189400266617 4.6202e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2467  
   data-arc span      41001 days (112.25 yr)  
   first obs. used      1907-10-04  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:36:01  

Additional Information
 Jupiter MOID = 2.51698 au 
 T_jup = 3.466 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.240792178049669E-15 -5.344192964197155E-15 -6.090116798257245E-14 7.857705749554552E-16 -5.560071342071364E-14 -6.69506031233072E-16
q -5.344192964197155E-15 1.27806396500899E-14 1.091963517400636E-13 -2.85030492128126E-15 1.229213494592479E-13 1.617366038286648E-15
tp -6.090116798257245E-14 1.091963517400636E-13 1.353885468056878E-9 2.52359913562747E-12 3.718371381615868E-10 -2.532470997510679E-14
node 7.857705749554552E-16 -2.85030492128126E-15 2.52359913562747E-12 6.114377672207336E-9 -6.107195873984602E-9 -1.083973818601788E-12
peri -5.560071342071364E-14 1.229213494592479E-13 3.718371381615868E-10 -6.107195873984602E-9 6.21255632765905E-9 1.071070505544316E-12
i -6.69506031233072E-16 1.617366038286648E-15 -2.532470997510679E-14 -1.083973818601788E-12 1.071070505544316E-12 2.134618412204619E-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 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. 2019-January); 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 27 CATAB v2.0f-lin.ifort 2020-Jan-28 17:36:36 2020-Jan-28 17:36
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 27 CATAB v2.0f-lin.ifort 2020-Jan-28 17:36:36 2020-Jan-28 17:36
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 27 CATAB v2.0f-lin.ifort 2020-Jan-28 17:36:36 2020-Jan-28 17:36

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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