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351318 (2004 UC8)
Classification: Main-belt Asteroid          SPK-ID: 2351318
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2203761763849174 4.3656e-08  
a 2.41677275806287 1.4153e-08 au
q 1.884173618449744 1.0459e-07 au
i 2.012715932311275 5.3592e-06 deg
node 335.0774285437927 0.00013173 deg
peri 78.31100138660219 0.00013272 deg
M 98.5997915003625 1.2021e-05 deg
tp 2458824.640399293883
(2019-Dec-07.14039929)		 4.666e-05 TDB
period 1372.309760449184
3.76		 1.2055e-05
3.3e-08		 d
yr
n .2623314432174299 2.3044e-09 deg/d
Q 2.949371897675997 1.7272e-08 au
   Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      6542 days (17.91 yr)  
   first obs. used      2002-03-18  
   last obs. used      2020-02-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:57:50  

Additional Information
 Earth MOID = .89584 au 
 Jupiter MOID = 2.4261 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457610.5 (2016-Aug-10.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2190037257258619 4.3776e-08  
q 1.887765311721142 1.0468e-07 au
tp 2457449.380481660909
(2016-Mar-01.88048166)		 5.2289e-05 TDB
node 335.3477395148896 0.0001312 deg
peri 77.57620763030181 0.00013222 deg
i 2.016607551675467 5.3699e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      6542 days (17.91 yr)  
   first obs. used      2002-03-18  
   last obs. used      2020-02-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:57:50  

Additional Information
 Jupiter MOID = 2.4261 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.916327784810759E-15 -4.558130199751493E-15 -1.005632404850337E-12 5.231520077742624E-15 -2.960912084725883E-13 -3.698757179617685E-15
q -4.558130199751493E-15 1.095849101489014E-14 2.155766671535158E-12 -8.375294553496518E-15 6.320621667949288E-13 9.152876225875916E-15
tp -1.005632404850337E-12 2.155766671535158E-12 2.734125090052957E-9 -2.102648634882045E-11 8.760158751686453E-10 2.519412272289282E-12
node 5.231520077742624E-15 -8.375294553496518E-15 -2.102648634882045E-11 1.721322155020065E-8 -1.720849408093762E-8 2.544823370544131E-10
peri -2.960912084725883E-13 6.320621667949288E-13 8.760158751686453E-10 -1.720849408093762E-8 1.74831639770881E-8 -2.536163453905754E-10
i -3.698757179617685E-15 9.152876225875916E-15 2.519412272289282E-12 2.544823370544131E-10 -2.536163453905754E-10 2.88361293594034E-11

[ 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 17.46   n/a E2021B25  

351318 (2004 UC8)          Discovered 2004-Oct-21 by LINEAR at Socorro
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1920-May-21 07:04 00:10 Iris 0.0349082918793104 0.0349069021476343 0.0349096818127204 1.5681271557948 1.56812705077694 2422465.794153874 9.6611527313064 2437.51842703242 68.9921588032022 -89.887735326225 75427.5573627639 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 08:57:51 2021-Apr-14 08:57
2165-May-14 03:47 00:04 Eunom 0.0292201952549599 0.0291915777370293 0.0292490188025867 3.1734412115026 3.17344106011848 2511943.657424395 4.47380790858524 4123.41402902949 70.9954117998227 -69.7336951938693 57664.86517549 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 08:57:51 2021-Apr-14 08:57

Alternate Designations
 2004 UC8 = 2008 YB169 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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