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 ]  
344481 (2002 PH177)
Classification: Main-belt Asteroid          SPK-ID: 2344481
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0859093173136446 8.5104e-08  
a 2.781151860418703 4.0741e-08 au
q 2.542225002744559 2.3733e-07 au
i 4.626810111317109 9.9462e-06 deg
node 22.92740250366445 7.598e-05 deg
peri 332.115636866561 8.8935e-05 deg
M 265.5743224625367 5.1932e-05 deg
tp 2459444.847858075759
(2021-Aug-18.34785808)
0.00025051 TDB
period 1694.086111733825
4.64
3.7225e-05
1.019e-07
d
yr
n .2125039556764652 4.6694e-09 deg/d
Q 3.020078718092846 4.4241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6083 days (16.65 yr)  
   first obs. used      2002-08-11  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64198  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:29:33  

Additional Information
 Earth MOID = 1.53879 au 
 Jupiter MOID = 2.3728 au 
 T_jup = 3.323 
[ 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 16.4   n/a MPO434166  

344481 (2002 PH177)          Discovered 2002-Aug-11 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2002 PH177 = 2007 RU205 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-08 01:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin