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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456112.5 (2012-Jul-04.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843097075793576 4.6808e-08  
q 2.004583089466229 1.1144e-07 au
tp 2455861.577124602924
(2011-Oct-27.07712460)		 3.6267e-05 TDB
node 215.594738567423 7.7339e-05 deg
peri 178.2878111499458 7.7943e-05 deg
i 2.557932266424682 4.3279e-06 deg
   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
 Jupiter MOID = 2.51819 au 
 T_jup = 3.467 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.19102338150297E-15 -5.209710068510236E-15 -4.001569611833922E-14 1.170556682297437E-15 -5.2963852203882E-14 -6.582945201801297E-16
q -5.209710068510236E-15 1.241886878660337E-14 6.693352689034815E-14 -3.621236852922862E-15 1.193370238453081E-13 1.598807517122873E-15
tp -4.001569611833922E-14 6.693352689034815E-14 1.315299382785423E-9 2.921321659490753E-12 3.587488968908489E-10 -8.519107544196134E-14
node 1.170556682297437E-15 -3.621236852922862E-15 2.921321659490753E-12 5.981282978875226E-9 -5.974168355785189E-9 -2.902072488139568E-12
peri -5.2963852203882E-14 1.193370238453081E-13 3.587488968908489E-10 -5.974168355785189E-9 6.075149232490011E-9 2.872300265617845E-12
i -6.582945201801297E-16 1.598807517122873E-15 -8.519107544196134E-14 -2.902072488139568E-12 2.872300265617845E-12 1.873065937439617E-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 12.68   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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