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154806 (2004 PH94)
Classification: Main-belt Asteroid          SPK-ID: 2154806
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 .1229284808342183 4.7919e-08  
a 3.045498087090332 3.8139e-08 au
q 2.671119633860799 1.4992e-07 au
i 9.780398362168322 7.371e-06 deg
node 155.3536925742611 3.4018e-05 deg
peri 275.4365342772352 4.9617e-05 deg
M 263.9296338527136 3.2129e-05 deg
tp 2459518.551420152237
(2021-Oct-31.05142015)
0.00017279 TDB
period 1941.269912190014
5.31
3.6466e-05
9.984e-08
d
yr
n .1854456187361764 3.4835e-09 deg/d
Q 3.419876540319863 4.2828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      5852 days (16.02 yr)  
   first obs. used      2002-04-13  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58759  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 05:59:29  

Additional Information
 Earth MOID = 1.70803 au 
 Jupiter MOID = 1.90631 au 
 T_jup = 3.205 
[ 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 15.5   n/a MPO439922  
diameter diameter 5.718 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

154806 (2004 PH94)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 PH94 = 2002 GP156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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