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 ]  
307070 (2002 AV31)
Classification: Apollo [NEO]          SPK-ID: 2307070
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 82 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2493571558549229 3.3897e-08  
a 1.310100610419577 2.3634e-09 au
q .983417648321553 4.5041e-08 au
i 14.9765061326889 1.1528e-05 deg
node 119.300704372909 8.3296e-06 deg
peri 267.39081065669 2.2054e-05 deg
M 251.5775603284688 1.9074e-05 deg
tp 2458765.457503367529
(2019-Oct-08.95750337)
2.904e-05 TDB
period 547.7159653685904
1.50
1.4821e-06
4.058e-09
d
yr
n .6572749796652992 1.7786e-09 deg/d
Q 1.636783572517601 2.9528e-09 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      6439 days (17.63 yr)  
   first obs. used      2002-01-14  
   last obs. used      2019-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61604  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-03 06:19:36  

Additional Information
 Earth MOID = .142905 au 
 Jupiter MOID = 3.85538 au 
 T_jup = 4.911 
[ 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 20.7   n/a MPO386273  
diameter diameter 0.282 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.117   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

307070 (2002 AV31)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ 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
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin