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 ]  
413169 (2002 QL81)
Classification: Outer Main-belt Asteroid          SPK-ID: 2413169
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897614185414226 6.3925e-08  
a 3.200267379511951 3.8679e-08 au
q 2.592980101863922 2.1837e-07 au
i 26.99343841746354 9.5335e-06 deg
node 150.7232287277293 1.3254e-05 deg
peri 237.9073009569169 2.9556e-05 deg
M 2.835180126456915 2.4371e-05 deg
tp 2458984.031426621487
(2020-May-14.53142662)
0.00014148 TDB
period 2091.114550691224
5.73
3.7911e-05
1.038e-07
d
yr
n .1721569963161516 3.1211e-09 deg/d
Q 3.807554657159981 4.6019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      6285 days (17.21 yr)  
   first obs. used      2002-08-12  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5555  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 14:34:49  

Additional Information
 Earth MOID = 1.67875 au 
 Jupiter MOID = 1.89416 au 
 T_jup = 2.998 
[ 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 15.7   n/a MPO450426  

413169 (2002 QL81)          Discovered 2002-Aug-30 by NEAT at Palomar
Reference: Last Updated: 2014-11-10

[ show close-approach data ]
Alternate Designations
 2002 QL81 = 2010 GF73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-05 18:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin