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706 Hirundo (A910 TF)
Classification: Main-belt Asteroid          SPK-ID: 2000706
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948346503732509 2.2857e-08  
a 2.728562319123452 7.8991e-09 au
q 2.196943833655407 6.21e-08 au
i 14.43251445459549 4.3042e-07 deg
node 325.3448097069559 3.4337e-06 deg
peri 31.11547384733577 5.7817e-06 deg
M 211.0460481950583 5.2839e-06 deg
tp 2460077.659427484656
(2023-May-13.15942748)
2.6025e-05 TDB
period 1646.263096232542
4.51
7.1488e-06
1.957e-08
d
yr
n .2186770758719287 9.4959e-10 deg/d
Q 3.260180804591497 9.4381e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3299  
   data-arc span      40437 days (110.71 yr)  
   first obs. used      1910-10-09  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37036  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:27:23  

Additional Information
 Earth MOID = 1.20213 au 
 Jupiter MOID = 2.2104 au 
 T_jup = 3.283 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.05   n/a E2021B10  
diameter diameter 30.819 km 0.553 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 22.027 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Holliday, B. (2001) Minor Planet Bull. 28, 22.]
[Warner, B.D. (2001) Minor Planet Bull. 28, 4-5.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[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.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.081   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Cgh   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)

706 Hirundo (A910 TF)          Discovered 1910-Oct-09 by Helffrich, J. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A910 TF = 1948 AE = 1957 DA = 1977 QB = A924 WD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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