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1041 Asta (1925 FA)
Classification: Main-belt Asteroid          SPK-ID: 2001041
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446306001843346 3.4899e-08  
a 3.073185953511633 1.1046e-08 au
q 2.628709224577179 1.0736e-07 au
i 13.93327227887981 3.7935e-06 deg
node 59.99917118884349 1.4517e-05 deg
peri 344.1479300771639 1.9061e-05 deg
M 63.05401513160255 1.2103e-05 deg
tp 2458855.839168034715
(2020-Jan-07.33916803)
6.608e-05 TDB
period 1967.803307188838
5.39
1.0609e-05
2.905e-08
d
yr
n .1829451138154089 9.8631e-10 deg/d
Q 3.517662682446087 1.2643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2999  
   data-arc span      41714 days (114.21 yr)  
   first obs. used      1906-11-09  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39108  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:52:00  

Additional Information
 Earth MOID = 1.64058 au 
 Jupiter MOID = 1.87948 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456952.5 (2014-Oct-22.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401203440977295 3.4481e-08  
q 2.643568487094667 1.0518e-07 au
tp 2456880.203157084889
(2014-Aug-10.70315708)
7.0344e-05 TDB
node 60.25586985336146 1.4567e-05 deg
peri 342.8782371971606 1.9486e-05 deg
i 13.90047275833417 3.7858e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2999  
   data-arc span      41714 days (114.21 yr)  
   first obs. used      1906-11-09  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39108  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:52:00  

Additional Information
 Jupiter MOID = 1.87948 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.188910840457402E-15 -3.611636598949122E-15 -2.239639425645194E-14 3.758166907320377E-16 -4.174037198984536E-14 8.562837590965449E-16
q -3.611636598949122E-15 1.106228196817709E-14 -1.22458898818908E-14 -2.286036978898474E-15 1.131083584067566E-13 -2.137282159810846E-15
tp -2.239639425645194E-14 -1.22458898818908E-14 4.948239834248028E-9 3.123292473826696E-12 9.221573522671278E-10 -2.808731669826658E-12
node 3.758166907320377E-16 -2.286036978898474E-15 3.123292473826696E-12 2.121940926812928E-10 -2.054342619031866E-10 8.553648715045069E-13
peri -4.174037198984536E-14 1.131083584067566E-13 9.221573522671278E-10 -2.054342619031866E-10 3.797150864276474E-10 -1.418766893591558E-12
i 8.562837590965449E-16 -2.137282159810846E-15 -2.808731669826658E-12 8.553648715045069E-13 -1.418766893591558E-12 1.433247349184588E-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 10.18   n/a E2021B10  
diameter diameter 60.571 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.554 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.047   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1041 Asta (1925 FA)          Discovered 1925-Mar-22 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1925 FA = 1938 SJ1 = 1949 UQ = 1949 UX = 1951 CQ1 = 1956 AT = A906 VA = A917 YB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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