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351971 (2006 UD28)
Classification: Main-belt Asteroid          SPK-ID: 2351971
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08615598396557678 1.6579e-07  
a 3.022546047393167 8.3264e-08 au
q 2.762135618598744 5.5291e-07 au
i 1.181903510574901 1.7003e-05 deg
node 214.9546811165224 0.00063014 deg
peri 195.4466521171383 0.00064218 deg
M 197.8599122701347 0.00013708 deg
tp 2459864.961624392914
(2022-Oct-12.46162439)
0.00075962 TDB
period 1919.366081138037
5.25
7.9311e-05
2.171e-07
d
yr
n .187561926584921 7.7503e-09 deg/d
Q 3.28295647618759 9.0438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      6340 days (17.36 yr)  
   first obs. used      2001-11-18  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70982  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:18:48  

Additional Information
 Earth MOID = 1.77257 au 
 Jupiter MOID = 2.02655 au 
 T_jup = 3.240 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456362.5 (2013-Mar-11.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08803588376785688 1.6316e-07  
q 2.75581961684308 5.4568e-07 au
tp 2456033.129380660569
(2012-Apr-15.62938066)
0.00063286 TDB
node 214.9958683388077 0.00063001 deg
peri 196.4545731215048 0.00064187 deg
i 1.182034445936614 1.7008e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      6340 days (17.36 yr)  
   first obs. used      2001-11-18  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70982  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:18:48  

Additional Information
 Jupiter MOID = 2.02655 au 
 T_jup = 3.240 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.662267396571411E-14 -8.850919388415855E-14 -8.026429510736244E-11 1.588226860907181E-13 -1.579794706436668E-11 -9.826433454863981E-15
q -8.850919388415855E-14 2.977644133328537E-13 2.772589194446123E-10 -5.376010562977632E-13 5.459876231376545E-11 3.339202893477092E-14
tp -8.026429510736244E-11 2.772589194446123E-10 4.00513177100882E-7 -2.99295582004005E-10 7.796887773020215E-8 3.255759290321732E-11
node 1.588226860907181E-13 -5.376010562977632E-13 -2.99295582004005E-10 3.969137647682018E-7 -3.968896547997343E-7 -6.299762619684803E-9
peri -1.579794706436668E-11 5.459876231376545E-11 7.796887773020215E-8 -3.968896547997343E-7 4.120009576523911E-7 6.304833585304742E-9
i -9.826433454863981E-15 3.339202893477092E-14 3.255759290321732E-11 -6.299762619684803E-9 6.304833585304742E-9 2.892767043785707E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO471643  

351971 (2006 UD28)          Discovered 2006-Oct-16 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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