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15422 (1998 QP45)
Classification: Main-belt Asteroid          SPK-ID: 2015422
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1689272946001475 1.2554e-08  
a 2.590759371068783 9.4592e-09 au
q 2.153109399554154 3.5692e-08 au
i 12.24509457908696 9.2417e-07 deg
node 191.4969871287149 1.4863e-06 deg
peri 340.5223169521407 5.8566e-06 deg
M 346.7696611261012 8.7403e-06 deg
tp 2459452.476728213272
(2021-Aug-25.97672821)
3.7163e-05 TDB
period 1523.137264196122
4.17
8.3417e-06
2.284e-08
d
yr
n .2363542725021568 1.2944e-09 deg/d
Q 3.028409342583412 1.1057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2369  
   data-arc span      24655 days (67.50 yr)  
   first obs. used      1953-11-11  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44165  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:00:11  

Additional Information
 Earth MOID = 1.16207 au 
 Jupiter MOID = 1.94997 au 
 T_jup = 3.368 
[ 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 13.31   n/a MPO636296  
diameter diameter 11.562 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.425 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.061   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15422 (1998 QP45)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QP45 = 2000 AO188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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