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 ]  
17725 (1997 YQ7)
Classification: Main-belt Asteroid          SPK-ID: 2017725
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 .1659448715037871 3.2578e-08  
a 2.689948808878342 1.1641e-08 au
q 2.243565599437261 8.7472e-08 au
i 11.48095562172354 5.3832e-06 deg
node 336.3642783214561 1.7112e-05 deg
peri 86.73658528408076 2.4846e-05 deg
M 76.90486654434073 1.6343e-05 deg
tp 2458656.256481661642
(2019-Jun-21.75648166)
7.3065e-05 TDB
period 1611.441150221049
4.41
1.046e-05
2.864e-08
d
yr
n .2234025114417719 1.4502e-09 deg/d
Q 3.136332018319424 1.3573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1788  
   data-arc span      16655 days (45.60 yr)  
   first obs. used      1974-09-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:40:08  

Additional Information
 Earth MOID = 1.29118 au 
 Jupiter MOID = 2.27352 au 
 T_jup = 3.324 
[ 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 MPO502304  
diameter diameter 6.427 km 1.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.352   0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

17725 (1997 YQ7)          Discovered 1997-Dec-27 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 YQ7 = 1974 SS3 = 1979 YP2 = 1983 TX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-23 12:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin