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JPL Small-Body Database Browser
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117108 (2004 PU1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2117108
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259565495755119 6.5708e-08  
a 3.991198998895496 7.7742e-08 au
q 3.488481344325382 3.0015e-07 au
i 6.333580533365093 6.3867e-06 deg
node 92.84704288387972 6.0669e-05 deg
peri 201.9725713040266 6.6656e-05 deg
M 324.7180531703368 3.3173e-05 deg
tp 2458885.932578133192
(2020-Feb-06.43257813)
0.00027343 TDB
period 2912.416614197642
7.97
8.5094e-05
2.33e-07
d
yr
n .123608689170721 3.6115e-09 deg/d
Q 4.49391665346561 8.7534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      5879 days (16.10 yr)  
   first obs. used      2002-03-19  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57936  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:35:37  

Additional Information
 Earth MOID = 2.47288 au 
 Jupiter MOID = .703147 au 
 T_jup = 3.031 
[ 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 14.1   n/a MPO371898  
diameter diameter 9.082 km 0.341 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 7.56003 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.049   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

117108 (2004 PU1)          Discovered 2004-Aug-06 by Broughton, J. at Reedy Creek
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 PU1 = 2002 GR146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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