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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660374676779003 2.2546e-08  
a 2.689424394064815 1.1448e-08 au
q 2.242879178163122 5.9886e-08 au
i 11.4817265182169 6.8162e-07 deg
node 336.3656504214955 4.4676e-06 deg
peri 86.66940954724815 1.1398e-05 deg
M 121.6550121151104 7.8477e-06 deg
tp 2458656.103979262320
(2019-Jun-21.60397926)
3.3813e-05 TDB
period 1610.969939159806
4.41
1.0286e-05
2.816e-08
d
yr
n .2234678570028167 1.4268e-09 deg/d
Q 3.135969609966508 1.3349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1903  
   data-arc span      16959 days (46.43 yr)  
   first obs. used      1974-09-22  
   last obs. used      2021-02-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43038  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:10:56  

Additional Information
 Earth MOID = 1.28987 au 
 Jupiter MOID = 2.27445 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 13.37   n/a E2021B10  
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 2021-Apr-20 02:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin