Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456018.5 (2012-Apr-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843991245834997 4.6831e-08  
q 2.004747760936112 1.1154e-07 au
tp 2455861.702105734417
(2011-Oct-27.20210573)
3.6729e-05 TDB
node 215.594241291718 7.7999e-05 deg
peri 178.3336370448766 7.8621e-05 deg
i 2.557915869628797 4.351e-06 deg
  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
 Jupiter MOID = 2.51698 au 
 T_jup = 3.466 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.193119455018342E-15 -5.216555221121788E-15 -5.228425780921594E-14 4.466963832965451E-16 -5.631682312090112E-14 -6.841443111563724E-16
q -5.216555221121788E-15 1.244015509781862E-14 9.220319238609162E-14 -1.930079661361631E-15 1.259685475874504E-13 1.664369145799593E-15
tp -5.228425780921594E-14 9.220319238609162E-14 1.349000616064726E-9 3.137083636288802E-12 3.698953906198601E-10 -9.1685849589771E-14
node 4.466963832965451E-16 -1.930079661361631E-15 3.137083636288802E-12 6.083890986084302E-9 -6.076599256367634E-9 1.630123855261441E-12
peri -5.631682312090112E-14 1.259685475874504E-13 3.698953906198601E-10 -6.076599256367634E-9 6.181228995436791E-9 -1.657457958034578E-12
i -6.841443111563724E-16 1.664369145799593E-15 -9.1685849589771E-14 1.630123855261441E-12 -1.657457958034578E-12 1.893157038375448E-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. 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-22 23:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin