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160452 (2005 UK498)
Classification: Main-belt Asteroid          SPK-ID: 2160452
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143280377632531 3.9884e-08  
a 2.57525793301863 1.6557e-08 au
q 2.280833746802359 1.0692e-07 au
i 10.23973822365172 5.8321e-06 deg
node 123.8918813370041 4.6975e-05 deg
peri 159.0590537678713 6.3405e-05 deg
M 334.3112531647469 4.2661e-05 deg
tp 2459308.213452246734
(2021-Apr-03.71345225)
0.00017883 TDB
period 1509.487522202145
4.13
1.4557e-05
3.985e-08
d
yr
n .2384915374953262 2.2999e-09 deg/d
Q 2.869682119234901 1.845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      6783 days (18.57 yr)  
   first obs. used      2001-10-23  
   last obs. used      2020-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54073  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:24  

Additional Information
 Earth MOID = 1.26554 au 
 Jupiter MOID = 2.29831 au 
 T_jup = 3.396 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457094.5 (2015-Mar-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147251278477812 3.9672e-08  
q 2.280597635456241 1.0611e-07 au
tp 2457794.729103398209
(2017-Feb-10.22910340)
0.00017887 TDB
node 123.9415823419003 4.6914e-05 deg
peri 158.2740068621763 6.3179e-05 deg
i 10.2452623072551 5.8311e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      6783 days (18.57 yr)  
   first obs. used      2001-10-23  
   last obs. used      2020-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54073  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:24  

Additional Information
 Jupiter MOID = 2.29831 au 
 T_jup = 3.396 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.573880450548209E-15 -4.17094515261729E-15 1.93580145996507E-12 2.168152372455673E-14 5.201593883714822E-13 2.672948127523931E-15
q -4.17094515261729E-15 1.125920252476037E-14 -5.154223920350982E-12 -5.820581107898284E-14 -1.407754159617196E-12 -6.306167188549658E-15
tp 1.93580145996507E-12 -5.154223920350982E-12 3.199309751760331E-8 3.0559752141945E-10 7.680207890979718E-9 6.034251779556275E-11
node 2.168152372455673E-14 -5.820581107898284E-14 3.0559752141945E-10 2.200942236003559E-9 -2.0892972833012E-9 1.668329053036543E-10
peri 5.201593883714822E-13 -1.407754159617196E-12 7.680207890979718E-9 -2.0892972833012E-9 3.991562163357928E-9 -1.492877114843834E-10
i 2.672948127523931E-15 -6.306167188549658E-15 6.034251779556275E-11 1.668329053036543E-10 -1.492877114843834E-10 3.400133513495375E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.09   n/a E2021B55  

160452 (2005 UK498)          Discovered 2005-Oct-27 by CSS at Catalina
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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