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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2157456292724136 1.2573e-07  
a 2.18164082043681 1.2316e-08 au
q 1.710961348785286 2.7124e-07 au
i 4.060816522666213 7.7966e-06 deg
node 306.8515055697974 7.8565e-05 deg
peri 10.80417712195236 7.9657e-05 deg
M 181.1107118390932 1.9645e-05 deg
tp 2459185.364334560957
(2020-Dec-01.86433456)
6.7561e-05 TDB
period 1176.991437589928
3.22
9.9669e-06
2.729e-08
d
yr
n .3058645870331528 2.5901e-09 deg/d
Q 2.652320292088334 1.4973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      6386 days (17.48 yr)  
   first obs. used      2001-08-15  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64574  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:53:51  

Additional Information
 Earth MOID = .696915 au 
 Jupiter MOID = 2.64473 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 ]
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