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 ]  
32615 (2001 QU277)
Classification: Jupiter Trojan          SPK-ID: 2032615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03238070574824885 7.1237e-08  
a 5.167891735793281 1.1522e-07 au
q 5.000551754157752 3.6479e-07 au
i 17.54566208535261 6.048e-06 deg
node 100.4178307849101 2.0839e-05 deg
peri 223.7979630921116 0.00011972 deg
M 199.8903482421652 0.00012245 deg
tp 2460508.962142139015
(2024-Jul-17.46214214)
0.0014858 TDB
period 4291.099028865544
11.75
0.00014351
3.929e-07
d
yr
n .08389459147373132 2.8057e-09 deg/d
Q 5.335231717428811 1.1895e-07 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      15191 days (41.59 yr)  
   first obs. used      1977-10-06  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:44:27  

Additional Information
 Earth MOID = 4.0034 au 
 Jupiter MOID = .101609 au 
 T_jup = 2.906 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.0   n/a MPO435990  
diameter diameter 36.180 km 0.421 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 6.712 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Stephens, R.D.; French, L.M.; Davitt, C.; Coley, D.R. (2014) Minor Planet Bull. 41, 95-100.]
geometric albedo albedo 0.065   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

32615 (2001 QU277)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 QU277 = 1991 VR15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin