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4950 House (1988 XO1)
Classification: Main-belt Asteroid          SPK-ID: 2004950
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835309092369944 1.6424e-08  
a 2.74747878791108 1.0295e-08 au
q 2.243231507856404 4.6125e-08 au
i 12.70005104513086 3.48e-07 deg
node 189.8590187316476 2.9384e-06 deg
peri 251.3294543779 3.8055e-06 deg
M 14.69102780690875 2.6369e-06 deg
tp 2459132.618781574513
(2020-Oct-10.11878157)
1.1965e-05 TDB
period 1663.412455164178
4.55
9.3493e-06
2.56e-08
d
yr
n .2164225708917564 1.2164e-09 deg/d
Q 3.251726067965756 1.2184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2694  
   data-arc span      12739 days (34.88 yr)  
   first obs. used      1986-05-04  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:57:51  

Additional Information
 Earth MOID = 1.2947 au 
 Jupiter MOID = 2.18799 au 
 T_jup = 3.288 
[ 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 12.72   n/a MPCxxxxx  
diameter diameter 7.315 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.196   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Sq   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4950 House (1988 XO1)          Discovered 1988-Dec-07 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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