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 ]  
69553 (1997 QS2)
Classification: Main-belt Asteroid          SPK-ID: 2069553
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716283524443248 3.6522e-08  
a 3.137909969505284 1.5117e-08 au
q 2.59935565132047 1.1907e-07 au
i 6.472710231479454 4.1627e-06 deg
node 71.68179062814055 3.4898e-05 deg
peri 12.17930919859162 3.7289e-05 deg
M 336.5141365709786 1.2008e-05 deg
tp 2459332.953419776351
(2021-Apr-28.45341978)
6.7811e-05 TDB
period 2030.295001228882
5.56
1.4672e-05
4.017e-08
d
yr
n .1773141340455953 1.2813e-09 deg/d
Q 3.676464287690097 1.7712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1454  
   data-arc span      8566 days (23.45 yr)  
   first obs. used      1997-08-31  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48559  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:43:28  

Additional Information
 Earth MOID = 1.61546 au 
 Jupiter MOID = 1.57767 au 
 T_jup = 3.179 
[ 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 14.00   n/a MPCxxxxx  
diameter diameter 7.691 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

69553 (1997 QS2)          Discovered 1997-Aug-31 by Moravec, Z. at Klet
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ 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 2021-May-14 17:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin