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90388 Philchristensen (2003 WY152)
Classification: Main-belt Asteroid          SPK-ID: 2090388
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1701116045566904 4.5037e-08  
a 2.596122742156429 1.7791e-08 au
q 2.154492136862084 1.1827e-07 au
i 15.7394022129845 6.542e-06 deg
node 51.25746528815328 1.2948e-05 deg
peri 293.7326604274552 2.4752e-05 deg
M 78.49029529030317 1.7676e-05 deg
tp 2458667.380756543303
(2019-Jul-02.88075654)
7.63e-05 TDB
period 1527.869492666139
4.18
1.5706e-05
4.3e-08
d
yr
n .235622218866219 2.4221e-09 deg/d
Q 3.037753347450774 2.0818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      8281 days (22.67 yr)  
   first obs. used      1997-05-26  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50723  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:10:24  

Additional Information
 Earth MOID = 1.20256 au 
 Jupiter MOID = 2.55942 au 
 T_jup = 3.344 
[ 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 14.8   n/a MPO359374  

90388 Philchristensen           Discovered 2003 Nov. 24 by the Catalina Sky Survey.
Philip Christensen (b. 1953) is the Instrument Scientist for the OSIRIS-REx Thermal Emission Spectrometer. He is an expert on the geology of planetary surfaces. He was also the Principal Investigator for the infrared spectrometers and imagers on the Mars Global Surveyor, Mars Odyssey and Mars Exploration Rovers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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