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154761 (2004 PR14)
Classification: Main-belt Asteroid          SPK-ID: 2154761
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010154777624144 6.5393e-08  
a 2.565761509890849 2.3104e-08 au
q 2.306579885144811 1.7239e-07 au
i 13.58521860688138 7.6505e-06 deg
node 349.1479102348936 1.9986e-05 deg
peri 163.2059221109915 3.6316e-05 deg
M 123.6219878588788 2.8879e-05 deg
tp 2458485.014946243341
(2019-Jan-01.51494624)
0.00012065 TDB
period 1501.145731164273
4.11
2.0276e-05
5.551e-08
d
yr
n .2398168229281696 3.2393e-09 deg/d
Q 2.824943134636887 2.5438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      6812 days (18.65 yr)  
   first obs. used      2000-09-01  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60145  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:40:21  

Additional Information
 Earth MOID = 1.31867 au 
 Jupiter MOID = 2.16273 au 
 T_jup = 3.386 
[ 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 15.5   n/a MPO280811  
diameter diameter 2.175 km 0.512 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.310   0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154761 (2004 PR14)          Discovered 2004-Aug-07 by NEAT at Palomar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2004 PR14 = 2000 RA81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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