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
JPL Small-Body Database Browser
Search: [ help ]  
15380 (1997 QQ4)
Classification: Main-belt Asteroid          SPK-ID: 2015380
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08255886221790629 3.6551e-08  
a 2.673372357579123 1.0802e-08 au
q 2.452661777452589 9.6553e-08 au
i 2.768393455292179 3.8243e-06 deg
node 23.78099107559981 7.0248e-05 deg
peri 339.1710111361606 7.2957e-05 deg
M 132.7338730718824 2.0005e-05 deg
tp 2458611.836819148618
(2019-May-08.33681915)
8.7903e-05 TDB
period 1596.56868440607
4.37
9.6766e-06
2.649e-08
d
yr
n .2254835657971842 1.3666e-09 deg/d
Q 2.894082937705657 1.1694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1310  
   data-arc span      9584 days (26.24 yr)  
   first obs. used      1994-12-09  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50137  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:56:59  

Additional Information
 Earth MOID = 1.44863 au 
 Jupiter MOID = 2.48911 au 
 T_jup = 3.373 
[ 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 MPO502287  
diameter diameter 3.074 km 0.762 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15380 (1997 QQ4)          Discovered 1997-Aug-30 by ODAS at Caussols
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 QQ4 = 1999 CV30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-16 03:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin