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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032535342383938 3.4281e-08  
a 2.239221501130913 6.6536e-09 au
q 2.008013967196545 7.469e-08 au
i 4.461639707040467 3.1927e-06 deg
node 130.4368509642595 5.3604e-05 deg
peri 29.28029343617603 5.7415e-05 deg
M 74.50070355509008 2.1052e-05 deg
tp 2459143.219424933837
(2020-Oct-20.71942493)
7.1069e-05 TDB
period 1223.89457646389
3.35
5.455e-06
1.493e-08
d
yr
n .2941429816938335 1.311e-09 deg/d
Q 2.470429035065282 7.3407e-09 au
  Orbit Determination Parameters
   # obs. used (total)      967  
   data-arc span      8982 days (24.59 yr)  
   first obs. used      1996-12-05  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53767  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:02:07  

Additional Information
 Earth MOID = 1.01914 au 
 Jupiter MOID = 2.50572 au 
 T_jup = 3.625 
[ 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 15.94   n/a MPO637106  
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. 2020-October); 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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