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 ]  
357061 (2001 PH44)
Classification: Main-belt Asteroid          SPK-ID: 2357061
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2159836265474662 1.068e-07  
a 2.181620950691642 1.1545e-08 au
q 1.71042654600933 2.3149e-07 au
i 4.061055413589931 7.6258e-06 deg
node 306.8530755631929 7.8169e-05 deg
peri 10.7864876402349 7.9201e-05 deg
M 303.5007059660105 1.8374e-05 deg
tp 2459185.217435631433
(2020-Dec-01.71743563)		 6.1002e-05 TDB
period 1176.975358086971
3.22		 9.3423e-06
2.558e-08		 d
yr
n .3058687656682427 2.4279e-09 deg/d
Q 2.652815355373954 1.4038e-08 au
   Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6831 days (18.70 yr)  
   first obs. used      2001-08-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61412  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:13:05  

Additional Information
 Earth MOID = .697234 au 
 Jupiter MOID = 2.64677 au 
 T_jup = 3.646 
[ 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 17.3   n/a MPO434255  

357061 (2001 PH44)          Discovered 2001-Aug-15 by NEAT at Haleakala
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2001 PH44 = 2005 YQ137 
[ 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-02 13:37 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin