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 ]  
160875 (2001 OQ21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2160875
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1491563573282781 5.6834e-08  
a 3.4067485758814 2.7083e-08 au
q 2.898610367969631 1.9603e-07 au
i 16.41842743908546 7.898e-06 deg
node 337.32786498273 1.4101e-05 deg
peri 59.16296257162951 3.5532e-05 deg
M 345.0997824715595 2.7516e-05 deg
tp 2459295.560185928269
(2021-Mar-22.06018593)
0.00017526 TDB
period 2296.722639710254
6.29
2.7388e-05
7.498e-08
d
yr
n .1567450913643696 1.8691e-09 deg/d
Q 3.914886783793169 3.1122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      2001-07-21  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:10  

Additional Information
 Earth MOID = 1.94213 au 
 Jupiter MOID = 1.76696 au 
 T_jup = 3.062 
[ 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 13.97   n/a E2020-QM9  
diameter diameter 8.159 km 0.436 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160875 (2001 OQ21)          Discovered 2001-Jul-21 by LONEOS at Anderson Mesa
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ 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-Apr-14 17:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin