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 ]  
85482 (1997 PL2)
Classification: Main-belt Asteroid          SPK-ID: 2085482
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187873667069359 3.2239e-08  
a 2.316110591286301 9.9721e-09 au
q 1.880974401163162 7.3369e-08 au
i 1.539434976277386 3.8871e-06 deg
node 223.4882302803349 0.0001452 deg
peri 122.8051277306108 0.00014562 deg
M 156.0050334827182 1.3116e-05 deg
tp 2458442.578013999986
(2018-Nov-20.07801400)
4.5028e-05 TDB
period 1287.470733963561
3.52
8.3149e-06
2.276e-08
d
yr
n .2796180064549638 1.8059e-09 deg/d
Q 2.75124678140944 1.1846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      8214 days (22.49 yr)  
   first obs. used      1997-08-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:10  

Additional Information
 Earth MOID = .874476 au 
 Jupiter MOID = 2.66483 au 
 T_jup = 3.557 
[ 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 16.7   n/a MPO453285  
diameter diameter 2.874 km 0.663 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85482 (1997 PL2)          Discovered 1997-Aug-07 by Viscome, G. R. at Rand
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 PL2 = 2000 KA39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 19:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin