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 ]  
357070 (2001 QH172)
Classification: Main-belt Asteroid          SPK-ID: 2357070
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806802689988373 6.7259e-08  
a 2.211440003713044 1.3986e-08 au
q 1.811876428967381 1.5265e-07 au
i 5.053407166319763 7.4847e-06 deg
node 266.5474228656218 7.0808e-05 deg
peri 91.97597623137742 7.6028e-05 deg
M 236.5980333669931 3.1884e-05 deg
tp 2459412.247289883306
(2021-Jul-16.74728988)
0.00010929 TDB
period 1201.18850940859
3.29
1.1395e-05
3.12e-08
d
yr
n .2997031666388879 2.8431e-09 deg/d
Q 2.611003578458706 1.6513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      6831 days (18.70 yr)  
   first obs. used      2001-08-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:13:05  

Additional Information
 Earth MOID = .816787 au 
 Jupiter MOID = 2.86107 au 
 T_jup = 3.630 
[ 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 17.9   n/a MPO471683  

357070 (2001 QH172)          Discovered 2001-Aug-14 by Bickel, W. at Bergisch Gladbach
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2001 QH172 = 2001 PH47 
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-15 08:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin