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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
108992 (2001 PQ56)
Classification: Main-belt Asteroid          SPK-ID: 2108992
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105090956332945 4.5086e-08  
a 2.373742721330094 1.1886e-08 au
q 2.11142255992979 1.0579e-07 au
i 1.965788066838173 4.7721e-06 deg
node 289.0647858758529 0.00015621 deg
peri 196.7140342498796 0.00015802 deg
M 249.9875539150696 2.4362e-05 deg
tp 2459408.714301973198
(2021-Jul-13.21430197)
9.126e-05 TDB
period 1335.82293586036
3.66
1.0033e-05
2.747e-08
d
yr
n .2694967950734697 2.0242e-09 deg/d
Q 2.636062882730398 1.3199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      10631 days (29.11 yr)  
   first obs. used      1989-04-08  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52766  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:17:06  

Additional Information
 Earth MOID = 1.12686 au 
 Jupiter MOID = 2.41116 au 
 T_jup = 3.534 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456304.5 (2013-Jan-12.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098918553551329 4.4871e-08  
q 2.11302450038556 1.052e-07 au
tp 2456735.200175750435
(2014-Mar-18.70017575)
8.8362e-05 TDB
node 289.1608294144909 0.00015645 deg
peri 196.5721000781664 0.00015831 deg
i 1.963756635924313 4.7682e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      10631 days (29.11 yr)  
   first obs. used      1989-04-08  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52766  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:17:06  

Additional Information
 Jupiter MOID = 2.41116 au 
 T_jup = 3.534 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.013435813820093E-15 -4.69696651329317E-15 9.409492373573438E-13 1.067073343262762E-14 2.296910566424278E-13 7.050839103669199E-17
q -4.69696651329317E-15 1.106633135670278E-14 -2.163380687890917E-12 -2.591148436093357E-14 -5.360035924524295E-13 -1.091076126445976E-16
tp 9.409492373573438E-13 -2.163380687890917E-12 7.807779584336718E-9 5.047362868042464E-12 2.162408551492277E-9 3.086098794693387E-13
node 1.067073343262762E-14 -2.591148436093357E-14 5.047362868042464E-12 2.447709911377646E-8 -2.44609797343394E-8 1.168011392661185E-10
peri 2.296910566424278E-13 -5.360035924524295E-13 2.162408551492277E-9 -2.44609797343394E-8 2.50608453407911E-8 -1.166653263669319E-10
i 7.050839103669199E-17 -1.091076126445976E-16 3.086098794693387E-13 1.168011392661185E-10 -1.166653263669319E-10 2.273563673600326E-11

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 15.9   n/a MPO291137  
diameter diameter 4.206 km 0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108992 (2001 PQ56)          Discovered 2001-Aug-14 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 PQ56 = 1989 GM7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-04 09:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin