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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03309041319453321 5.5676e-08  
a 5.164112917209714 1.0164e-07 au
q 4.993230286996018 3.1413e-07 au
i 17.54589873414281 4.9999e-06 deg
node 100.420463552842 2.0666e-05 deg
peri 224.3157155539046 0.00011589 deg
M 232.9658426938303 0.00011829 deg
tp 2460513.051016897350
(2024-Jul-21.55101690)
0.0014265 TDB
period 4286.393341994488
11.74
0.00012654
3.464e-07
d
yr
n .08398669260541768 2.4794e-09 deg/d
Q 5.33499554742341 1.05e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1264  
   data-arc span      15595 days (42.70 yr)  
   first obs. used      1977-10-06  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50075  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:07:34  

Additional Information
 Earth MOID = 3.99748 au 
 Jupiter MOID = .0971712 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-August); 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 ]
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