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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446306028781593 2.4391e-08  
a 3.073185951703301 1.0619e-08 au
q 2.628709214751762 7.4132e-08 au
i 13.9332697982927 8.5317e-07 deg
node 59.99916794762851 2.2536e-06 deg
peri 344.1479352392068 6.3682e-06 deg
M 63.05401417603588 4.4733e-06 deg
tp 2458855.839173562167
(2020-Jan-07.33917356)		 2.3471e-05 TDB
period 1967.803305451988
5.39		 1.02e-05
2.793e-08		 d
yr
n .1829451139768825 9.4825e-10 deg/d
Q 3.517662688654839 1.2155e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3167  
   data-arc span      41765 days (114.35 yr)  
   first obs. used      1906-11-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:52:41  

Additional Information
 Earth MOID = 1.64058 au 
 Jupiter MOID = 1.87948 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457093.5 (2015-Mar-12.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140212189097185 2.4195e-08  
q 2.643745739980309 7.2987e-08 au
tp 2456880.461006074474
(2014-Aug-10.96100607)		 2.1685e-05 TDB
node 60.25414299734564 2.2637e-06 deg
peri 342.9425004824374 6.5787e-06 deg
i 13.8994036647237 8.525e-07 deg
   Orbit Determination Parameters
   # obs. used (total)      3167  
   data-arc span      41765 days (114.35 yr)  
   first obs. used      1906-11-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:52:41  

Additional Information
 Jupiter MOID = 1.87948 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.854043042561923E-16 -1.752119573561577E-15 -2.481050673095143E-13 2.04255364048204E-15 -9.887910780561892E-14 -1.268285769534564E-15
q -1.752119573561577E-15 5.327112078895648E-15 7.745076408545761E-13 -5.956772714815631E-15 3.049103612374307E-13 3.830167254791447E-15
tp -2.481050673095143E-13 7.745076408545761E-13 4.702458575933918E-10 -1.791234163023415E-11 1.35597574306212E-10 1.137105400071808E-12
node 2.04255364048204E-15 -5.956772714815631E-15 -1.791234163023415E-11 5.124332813809358E-12 -7.863297227032236E-12 1.201452049480975E-12
peri -9.887910780561892E-14 3.049103612374307E-13 1.35597574306212E-10 -7.863297227032236E-12 4.327932858827396E-11 -7.54207335165064E-13
i -1.268285769534564E-15 3.830167254791447E-15 1.137105400071808E-12 1.201452049480975E-12 -7.54207335165064E-13 7.267536558476274E-13

[ 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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