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26879 Haines (1994 NL2)
Classification: Mars-crossing Asteroid          SPK-ID: 2026879
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3480745266567113 2.9196e-08  
a 2.311110895402862 7.4307e-09 au
q 1.506672064434343 6.665e-08 au
i 21.32463577944121 7.3357e-06 deg
node 230.9512410288076 1.0135e-05 deg
peri 95.09828236098568 1.6441e-05 deg
M 358.9907828864671 1.1109e-05 deg
tp 2458604.097590352453
(2019-Apr-30.59759035)
3.9607e-05 TDB
period 1283.304166681457
3.51
6.1891e-06
1.694e-08
d
yr
n .2805258561038862 1.3529e-09 deg/d
Q 3.115549726371382 1.0017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      16828 days (46.07 yr)  
   first obs. used      1973-11-01  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:58:09  

Additional Information
 Earth MOID = .667552 au 
 Jupiter MOID = 2.6793 au 
 T_jup = 3.415 
[ 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 14.2   n/a MPO435950  
diameter diameter 2.956 km 0.472 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 2.7614 h n/a LCDB (Rev. 2019-January); 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.378   0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

26879 Haines           Discovered 1994 July 9 by C. S. Shoemaker and E. M. Shoemaker at Palomar.
Peter Haines (b. 1960), associate professor of geology with the University of Tasmania, has worked in the field of impact geology for a number of years. He discovered the Goyder and Foelsche impact structures in Northern Territory with strong geological, structural and geophysical evidence.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1994 NL2 = 1973 VA = 1998 XD80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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