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154754 (2004 PO9)
Classification: Main-belt Asteroid          SPK-ID: 2154754
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735198190228196 5.3352e-08  
a 2.683051247432235 2.6648e-08 au
q 2.217488680548844 1.363e-07 au
i 11.92515467860834 5.4087e-06 deg
node 149.4856233160941 2.7938e-05 deg
peri 138.7557366062769 3.4569e-05 deg
M 229.9065318021604 2.7745e-05 deg
tp 2459580.589320137235
(2022-Jan-01.08932014)
0.00012992 TDB
period 1605.247043854831
4.39
2.3915e-05
6.548e-08
d
yr
n .2242645463065286 3.3411e-09 deg/d
Q 3.148613814315627 3.1273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      7232 days (19.80 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:41:16  

Additional Information
 Earth MOID = 1.21657 au 
 Jupiter MOID = 2.13629 au 
 T_jup = 3.323 
[ 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 16.0   n/a MPO459713  
diameter diameter 4.282 km 0.275 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154754 (2004 PO9)          Discovered 2004-Aug-06 by CINEOS at Campo Imperatore
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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