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386723 (2009 YE7)
Classification: TransNeptunian Object          SPK-ID: 2386723
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1466450628101724 5.8707e-05  
a 44.2029156570022 0.0027468 au
q 37.72077631408836 0.0048587 au
i 29.11435463412027 7.3879e-05 deg
node 141.3813738589569 0.00099538 deg
peri 101.1817155514265 0.072997 deg
M 183.8302108600775 0.097274 deg
tp 2511530.056683665163
(2164-Mar-26.55668367)
28.316 TDB
period 107343.2652581523
293.89
10.005
0.02739
d
yr
n .003353726935120034 3.126e-07 deg/d
Q 50.68505499991604 0.0031496 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      2980 days (8.16 yr)  
   first obs. used      2006-11-18  
   last obs. used      2015-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .38398  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:03:12  

Additional Information
 Earth MOID = 36.8333 au 
 Jupiter MOID = 33.0658 au 
 T_jup = 5.155 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456820.5 (2014-Jun-12.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1403560481612255 5.6181e-05  
q 38.21534157612452 0.0048643 au
tp 2403080.675916219443
(1867-Apr-24.17591622)
32.176 TDB
node 141.7156449365808 0.00099599 deg
peri 99.2603747044666 0.076922 deg
i 29.07972745403971 7.1413e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      2980 days (8.16 yr)  
   first obs. used      2006-11-18  
   last obs. used      2015-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .38398  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:03:12  

Additional Information
 Jupiter MOID = 33.0658 au 
 T_jup = 5.155 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.156293301750508E-9 -2.710800138400646E-7 .001111619635391216 6.251844977494244E-9 2.105006385751487E-6 -7.790650028271861E-10
q -2.710800138400646E-7 2.366169285944407E-5 -.08083517800322412 -4.291064383914219E-7 -.0001417939030900786 6.284124852888356E-8
tp .001111619635391216 -.08083517800322412 1035.295329864943 .006922769624632091 2.445533794549551 -.0004755781697925724
node 6.251844977494244E-9 -4.291064383914219E-7 .006922769624632091 9.919949635811684E-7 1.584297520159385E-5 -6.972983656659049E-8
peri 2.105006385751487E-6 -.0001417939030900786 2.445533794549551 1.584297520159385E-5 .005917002852341597 -9.91165559206437E-7
i -7.790650028271861E-10 6.284124852888356E-8 -.0004755781697925724 -6.972983656659049E-8 -9.91165559206437E-7 5.099828926802144E-9

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 4.3   n/a MPO476813  
rotation period rot_per 11.30 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Sheppard, S.S.; Noll, K.S.; Moskovitz, N.A.; et al. (2016) Astron. J. 151, A148.]

386723 (2009 YE7)          Discovered 2009-Dec-17 by Rabinowitz, D. L. at La Silla
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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