Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1928-Feb-17 03:41 00:01 Jupiter 1.96483293041169 1.96483261181945 1.9648332490074 3.79020585693348 3.67470783964525 2425293.653791367 1.24471581193803 141.338210671078 5.4224827202286 84.7897156928775 17939813.715796 T 38 CATAB v2.0g-lin.ifort 2021-Aug-25 14:01:24 2021-Aug-25 14:01
1998-Oct-30 20:48 < 00:01 Jupiter 1.95355547152373 1.95355537210672 1.95355557094074 3.55413692438787 3.42997512369694 2451117.366576531 0.240265774838819 27.2716984082239 5.0396466343157 -88.6380948027694 19329839.0278418 T 38 CATAB v2.0g-lin.ifort 2021-Aug-25 14:01:24 2021-Aug-25 14:01
2082-Jun-20 16:52 < 00:01 Jupiter 1.97430734646636 1.97430705803598 1.97430763489853 3.8326753367618 3.71905297036086 2481666.202878884 0.96481256109438 105.732317420309 5.70182850755101 83.4626047988273 17550287.7000552 T 38 CATAB v2.0g-lin.ifort 2021-Aug-25 14:01:24 2021-Aug-25 14:01
2153-Mar-05 04:39 00:02 Jupiter 1.94287637032244 1.94287619799664 1.94287654265465 3.64902664977798 3.52753018156778 2507490.693636389 1.97508069805991 222.760425391094 5.10922229738386 -87.4217616582675 19385054.9292798 T 38 CATAB v2.0g-lin.ifort 2021-Aug-25 14:01:24 2021-Aug-25 14:01

Alternate Designations
 1998 QP45 = 2000 AO188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-21 15:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin