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469750 (2005 PU21)
Classification: TransNeptunian Object          SPK-ID: 2469750
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8333848072079707 5.4219e-05  
a 175.9821453624944 0.058059 au
q 29.32129907752693 0.0007366 au
i 6.176748689093051 0.00017639 deg
node 192.4776259942207 0.00051293 deg
peri 227.5580723240665 0.0021739 deg
M 356.8951019390369 0.0016278 deg
tp 2466354.881995802583
(2040-Jul-19.38199580)
0.22123 TDB
period 852709.9655141776
2334.59
421.98
1.155
d
yr
n .0004221834088486614 2.0893e-07 deg/d
Q 322.6429916474619 0.10644 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      6300 days (17.25 yr)  
   first obs. used      2000-08-26  
   last obs. used      2017-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .34951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:59:27  

Additional Information
 Earth MOID = 28.3373 au 
 Jupiter MOID = 24.3015 au 
 T_jup = 6.421 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456786.5 (2014-May-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8337730519422254 5.4086e-05  
q 29.19739634615949 0.00073687 au
tp 2466391.366574107724
(2040-Aug-24.86657411)
0.22231 TDB
node 192.4927355646367 0.00051377 deg
peri 228.0158651021943 0.0021764 deg
i 6.17694711055057 0.0001768 deg
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      6300 days (17.25 yr)  
   first obs. used      2000-08-26  
   last obs. used      2017-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .34951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:59:27  

Additional Information
 Jupiter MOID = 24.3015 au 
 T_jup = 6.421 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.925267349562714E-9 5.710016230854603E-9 -1.161126267643416E-5 4.085793783461075E-10 -5.3354261308332E-8 -4.970509614302854E-11
q 5.710016230854603E-9 5.429719226457751E-7 -5.640777674883104E-5 9.4048289606016E-9 -1.464237757247465E-6 -1.786394781537251E-9
tp -1.161126267643416E-5 -5.640777674883104E-5 .04942289718790327 -2.091382785860639E-6 .0003034857204383706 2.91700879154968E-7
node 4.085793783461075E-10 9.4048289606016E-9 -2.091382785860639E-6 2.639610090998442E-7 -2.91345845237095E-7 -8.980156683055932E-8
peri -5.3354261308332E-8 -1.464237757247465E-6 .0003034857204383706 -2.91345845237095E-7 4.736747367267205E-6 9.441431346347898E-8
i -4.970509614302854E-11 -1.786394781537251E-9 2.91700879154968E-7 -8.980156683055932E-8 9.441431346347898E-8 3.125710665164062E-8

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.2   n/a MPO382969  

469750 (2005 PU21)          Discovered 2005-Aug-09 by Cerro Tololo at Cerro Tololo
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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