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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1690367779254366 5.1997e-08  
a 2.590170820655853 1.1928e-08 au
q 2.152336690855703 1.3897e-07 au
i 12.2455617812471 5.1812e-06 deg
node 191.5094870600752 1.6105e-05 deg
peri 340.6093632104992 1.9058e-05 deg
M 253.0797790654661 1.2734e-05 deg
tp 2459452.718560728899
(2021-Aug-26.21856073)
5.5777e-05 TDB
period 1522.618270327776
4.17
1.0517e-05
2.879e-08
d
yr
n .2364348353198877 1.6332e-09 deg/d
Q 3.028004950456002 1.3944e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1900  
   data-arc span      24183 days (66.21 yr)  
   first obs. used      1953-11-11  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:18:14  

Additional Information
 Earth MOID = 1.16043 au 
 Jupiter MOID = 1.95205 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 13.3   n/a MPO502287  
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. 2019-August); 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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