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79361 (1997 DA)
Classification: Main-belt Asteroid          SPK-ID: 2079361
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034789924840479 4.1299e-08  
a 2.239689162361296 8.4461e-09 au
q 2.007928384362708 9.349e-08 au
i 4.461494090173795 4.0356e-06 deg
node 130.4365114772135 5.5763e-05 deg
peri 29.33651911991008 5.9343e-05 deg
M 317.9853877692935 2.1629e-05 deg
tp 2459143.382127591378
(2020-Oct-20.88212759)
7.3957e-05 TDB
period 1224.278011908025
3.35
6.9253e-06
1.896e-08
d
yr
n .294050858137151 1.6633e-09 deg/d
Q 2.471449940359884 9.3201e-09 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      8452 days (23.14 yr)  
   first obs. used      1996-12-05  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:40:02  

Additional Information
 Earth MOID = 1.01827 au 
 Jupiter MOID = 2.5063 au 
 T_jup = 3.624 
[ 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 15.9   n/a MPO319994  
diameter diameter 2.361 km 0.408 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.434 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.152   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79361 (1997 DA)          Discovered 1997-Feb-16 by Koleny, P., Kornos, L. at Modra
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1997 DA = 2001 KA37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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