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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09768165427084588 3.7736e-08  
a 2.236318715069232 7.0844e-09 au
q 2.017871403504417 8.5379e-08 au
i 4.340801482718132 3.8075e-06 deg
node 317.7363307098477 4.9257e-05 deg
peri 249.16689520034 5.4292e-05 deg
M 265.856753179878 2.6043e-05 deg
tp 2459319.937314241921
(2021-Apr-15.43731424)
8.9213e-05 TDB
period 1221.515477863382
3.34
5.8045e-06
1.589e-08
d
yr
n .2947158726385484 1.4004e-09 deg/d
Q 2.454766026634047 7.7765e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2340  
   data-arc span      24158 days (66.14 yr)  
   first obs. used      1954-03-05  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44546  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:48:44  

Additional Information
 Earth MOID = 1.01841 au 
 Jupiter MOID = 2.52284 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-August); 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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