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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735197877452381 5.1167e-08  
a 2.683051231795324 2.481e-08 au
q 2.2174887515446 1.3237e-07 au
i 11.92515224893831 5.3079e-06 deg
node 149.4855962322092 2.4674e-05 deg
peri 138.7557881098517 3.1838e-05 deg
M 229.906518018424 2.7719e-05 deg
tp 2459580.589376528015
(2022-Jan-01.08937653)
0.00012964 TDB
period 1605.247029821682
4.39
2.2265e-05
6.096e-08
d
yr
n .2242645482670604 3.1106e-09 deg/d
Q 3.148613712046048 2.9115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:34:10  

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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