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15344 (1994 PA2)
Classification: Main-belt Asteroid          SPK-ID: 2015344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187667310624995 3.7167e-08  
a 2.225769458073743 6.7274e-09 au
q 1.808065289805792 8.4394e-08 au
i 3.769638439487837 3.8008e-06 deg
node 356.7685003198924 4.2846e-05 deg
peri 9.023541221248298 4.3546e-05 deg
M 249.9296752729314 8.5967e-06 deg
tp 2459371.339888600398
(2021-Jun-05.83988860)
2.9975e-05 TDB
period 1212.882402474754
3.32
5.4989e-06
1.506e-08
d
yr
n .2968136063854659 1.3457e-09 deg/d
Q 2.643473626341696 7.9899e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1740  
   data-arc span      14140 days (38.71 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:58:50  

Additional Information
 Earth MOID = .806406 au 
 Jupiter MOID = 2.8168 au 
 T_jup = 3.620 
[ 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 14.7   n/a MPO302160  
diameter diameter 2.938 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.169   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15344 (1994 PA2)          Discovered 1994-Aug-09 by PCAS at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 PA2 = 1981 UB18 = 1981 UJ8 = 1994 PA28 = 1996 FT5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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