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JPL Small-Body Database Browser
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357001 (1998 UK14)
Classification: Main-belt Asteroid          SPK-ID: 2357001
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2827252177449436 6.5213e-08  
a 2.618351198404672 1.5621e-08 au
q 1.878077285702977 1.7148e-07 au
i 13.08214632640497 1.3507e-05 deg
node 43.19035445797255 2.7501e-05 deg
peri 279.8471502877617 3.5186e-05 deg
M 80.83958312574408 1.7967e-05 deg
tp 2458652.994375508906
(2019-Jun-18.49437551)
7.7699e-05 TDB
period 1547.534264522377
4.24
1.3849e-05
3.792e-08
d
yr
n .232628128664478 2.0818e-09 deg/d
Q 3.358625111106367 2.0038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1998-10-23  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56032  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:20:37  

Additional Information
 Earth MOID = .919488 au 
 Jupiter MOID = 2.18473 au 
 T_jup = 3.313 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457537.5 (2016-May-29.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2840320367130305 6.5572e-08  
q 1.873372135642065 1.7278e-07 au
tp 2457107.126958624365
(2015-Mar-25.62695862)
8.1046e-05 TDB
node 43.20160454567872 2.75e-05 deg
peri 279.9856181179179 3.5135e-05 deg
i 13.08798161556958 1.3516e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1998-10-23  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56032  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:20:37  

Additional Information
 Jupiter MOID = 2.18473 au 
 T_jup = 3.313 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.299742087282292E-15 -1.130560451124164E-14 3.447202513007001E-12 -6.440556891740416E-15 8.366216651316441E-13 -3.972286057697115E-14
q -1.130560451124164E-14 2.985431808141946E-14 -9.367438510036191E-12 1.610685895409973E-14 -2.272593243751154E-12 1.069380218225215E-13
tp 3.447202513007001E-12 -9.367438510036191E-12 6.568484669444469E-9 -7.576710385686596E-12 1.794958840260109E-9 -5.334136431718505E-11
node -6.440556891740416E-15 1.610685895409973E-14 -7.576710385686596E-12 7.562694035822196E-10 -7.378908817184427E-10 -2.297199572028947E-10
peri 8.366216651316441E-13 -2.272593243751154E-12 1.794958840260109E-9 -7.378908817184427E-10 1.234458368783632E-9 2.094820273237593E-10
i -3.972286057697115E-14 1.069380218225215E-13 -5.334136431718505E-11 -2.297199572028947E-10 2.094820273237593E-10 1.826885546228715E-10

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 17.1   n/a MPO446590  

357001 (1998 UK14)          Discovered 1998-Oct-23 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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