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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3481779225051319 2.7738e-08  
a 2.311532456565997 7.1883e-09 au
q 1.506707888035665 6.284e-08 au
i 21.32238631507222 7.0771e-06 deg
node 230.9481903785901 9.4264e-06 deg
peri 95.1278532807212 1.5549e-05 deg
M 111.1513447943838 1.1096e-05 deg
tp 2458604.166628873679
(2019-Apr-30.66662887)
3.8893e-05 TDB
period 1283.655306819867
3.51
5.9878e-06
1.639e-08
d
yr
n .280449119080001 1.3082e-09 deg/d
Q 3.11635702509633 9.6911e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1281  
   data-arc span      16965 days (46.45 yr)  
   first obs. used      1973-11-01  
   last obs. used      2020-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:26:28  

Additional Information
 Earth MOID = .668116 au 
 Jupiter MOID = 2.68115 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 14.3   n/a MPO502358  
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-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:
[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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1907-Apr-07 22:12 < 00:01 Iris 0.0402204618035127 0.0402150487108716 0.0402258806758012 9.95905589028016 9.95905587592831 2417673.425326497 0.505588756326964 812.012850923304 32.5215477292194 70.7064835412908 174620.902241903 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 01:26:31 2020-Nov-13 01:26

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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