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3031 Houston (1984 CX)
Classification: Main-belt Asteroid          SPK-ID: 2003031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09796325669233472 3.9237e-08  
a 2.235838021111264 7.293e-09 au
q 2.016808047126659 8.8251e-08 au
i 4.340767054850216 4.4492e-06 deg
node 317.7451976681167 5.0724e-05 deg
peri 249.1612789059516 5.6059e-05 deg
M 147.961420213216 2.6309e-05 deg
tp 2458098.614182773231
(2017-Dec-11.11418277)
8.8156e-05 TDB
period 1221.121654153319
3.34
5.9747e-06
1.636e-08
d
yr
n .2948109213980082 1.4425e-09 deg/d
Q 2.454867995095868 8.0075e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2042  
   data-arc span      23981 days (65.66 yr)  
   first obs. used      1954-03-05  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:22:09  

Additional Information
 Earth MOID = 1.01759 au 
 Jupiter MOID = 2.52383 au 
 T_jup = 3.628 
[ 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 12.8   n/a MPO431531  
diameter diameter 6.430 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 11.218 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Ditteon, R.; Horn, L.; Kamperman, A.; Vorjohan, B.; Kirkpatrick, E. (2012) Minor Planet Bull. 39, 26-28.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.270   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3031 Houston (1984 CX)          Discovered 1984-Feb-08 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 CX = 1954 EF = 1978 NP = 1979 VT1 = 1981 JL1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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