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 ]  
78245 (2002 PE3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078245
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124486700567774 6.591e-08  
a 3.218952131448972 2.2256e-08 au
q 2.856985245291106 2.1445e-07 au
i 13.41947605697715 6.2534e-06 deg
node 210.0562754299987 1.6552e-05 deg
peri 188.3255238925338 2.5198e-05 deg
M 3.169580114534825 1.7393e-05 deg
tp 2459181.927539762799
(2020-Nov-28.42753976)
0.00010194 TDB
period 2109.454704972413
5.78
2.1877e-05
5.99e-08
d
yr
n .1706602180892564 1.7699e-09 deg/d
Q 3.580919017606838 2.4759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      9346 days (25.59 yr)  
   first obs. used      1995-07-02  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:35:49  

Additional Information
 Earth MOID = 1.86368 au 
 Jupiter MOID = 1.85234 au 
 T_jup = 3.137 
[ 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 14.75   n/a E2021B10  
diameter diameter 6.100 km 0.512 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78245 (2002 PE3)          Discovered 2002-Aug-03 by NEAT at Palomar
Reference: 20040415/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-Apr-14 06:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin