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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875381803943854 3.6431e-08  
a 2.226464628073182 6.7104e-09 au
q 1.808917503011876 8.2685e-08 au
i 3.769673565538954 3.7452e-06 deg
node 356.7509982437935 4.2586e-05 deg
peri 8.932100658271585 4.3287e-05 deg
M 309.3743611572557 8.748e-06 deg
tp 2459371.143654157022
(2021-Jun-05.64365416)
2.9963e-05 TDB
period 1213.450672441884
3.32
5.4859e-06
1.502e-08
d
yr
n .2966746058787498 1.3412e-09 deg/d
Q 2.644011753134489 7.9689e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1757  
   data-arc span      14174 days (38.81 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-08-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:56:09  

Additional Information
 Earth MOID = .805654 au 
 Jupiter MOID = 2.81705 au 
 T_jup = 3.619 
[ 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 14.78   n/a E2021B10  
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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