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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
242450 (2004 QY2)
Classification: Apollo [NEO, PHA]          SPK-ID: 2242450
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 103 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4771243267740866 1.4483e-07  
a 1.08404054027231 6.0872e-09 au
q .5668184272990671 1.5731e-07 au
i 37.03055570028769 1.8132e-05 deg
node 295.2934805511498 2.7739e-05 deg
peri 104.9752523853399 2.9787e-05 deg
M 277.299789264206 2.9283e-05 deg
tp 2459095.204546396713
(2020-Sep-02.70454640)
3.4052e-05 TDB
period 412.2557415450494
1.13
3.4724e-06
9.507e-09
d
yr
n .873244357133255 7.3553e-09 deg/d
Q 1.601262653245553 8.9916e-09 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      5411 days (14.81 yr)  
   first obs. used      2004-08-20  
   last obs. used      2019-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37497  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Aug-04 06:00:50  

Additional Information
 Earth MOID = .0465519 au 
 Jupiter MOID = 4.03955 au 
 T_jup = 5.440 
[ 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 MPO268252  
diameter diameter 2.914 km 0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.274   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

242450 (2004 QY2)          Discovered 2004-Aug-20 by Siding Spring Survey at Siding Spring
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-20 11:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin