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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 ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144463616482737 4.2954e-08  
a 3.072713886987887 1.2739e-08 au
q 2.628818526456888 1.3534e-07 au
i 13.93461621519675 4.7185e-06 deg
node 60.00410768169779 1.5167e-05 deg
peri 344.1348931949012 1.9597e-05 deg
M 26.48207154396535 1.2149e-05 deg
tp 2458855.779163069117
(2020-Jan-07.27916307)
6.6332e-05 TDB
period 1967.349918552349
5.39
1.2235e-05
3.35e-08
d
yr
n .1829872747116088 1.138e-09 deg/d
Q 3.516609247518885 1.458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2808  
   data-arc span      41645 days (114.02 yr)  
   first obs. used      1906-11-09  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:57:54  

Additional Information
 Earth MOID = 1.64157 au 
 Jupiter MOID = 1.87955 au 
 T_jup = 3.169 
[ 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 10.1   n/a MPO265961  
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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