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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2203761764718228 4.3656e-08  
a 2.416772758104168 1.4153e-08 au
q 1.88417361827191 1.0459e-07 au
i 2.012715914579004 5.3592e-06 deg
node 335.0774281399327 0.00013173 deg
peri 78.31100159637798 0.00013272 deg
M 98.59979163483507 1.2021e-05 deg
tp 2458824.640398771644
(2019-Dec-07.14039877)
4.666e-05 TDB
period 1372.309760484359
3.76
1.2055e-05
3.3e-08
d
yr
n .2623314432107058 2.3044e-09 deg/d
Q 2.949371897936426 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48456  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:44:07  

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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2190037260024512 4.3776e-08  
q 1.887765311045959 1.0468e-07 au
tp 2457449.380480969900
(2016-Mar-01.88048097)
5.2289e-05 TDB
node 335.3477393596406 0.0001312 deg
peri 77.57620763161003 0.00013222 deg
i 2.016607534714549 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48456  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:44:07  

Additional Information
 Jupiter MOID = 2.4261 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.916328229529122E-15 -4.558130928415983E-15 -1.005633490479415E-12 5.2315526767129E-15 -2.960914494612725E-13 -3.698756480337063E-15
q -4.558130928415983E-15 1.095849239454382E-14 2.155768116234851E-12 -8.375341355790432E-15 6.3206243814977E-13 9.152876079655784E-15
tp -1.005633490479415E-12 2.155768116234851E-12 2.734126324099358E-9 -2.10265555172475E-11 8.760160621561002E-10 2.519409901074872E-12
node 5.2315526767129E-15 -8.375341355790432E-15 -2.10265555172475E-11 1.72132219054357E-8 -1.720849445111846E-8 2.544823662174447E-10
peri -2.960914494612725E-13 6.3206243814977E-13 8.760160621561002E-10 -1.720849445111846E-8 1.748316434180528E-8 -2.53616375153432E-10
i -3.698756480337063E-15 9.152876079655784E-15 2.519409901074872E-12 2.544823662174447E-10 -2.53616375153432E-10 2.883613043419922E-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 14 CATAB v2.0f-lin.ifort 2020-Nov-11 16:44:07 2020-Nov-11 16:44
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 14 CATAB v2.0f-lin.ifort 2020-Nov-11 16:44:07 2020-Nov-11 16:44

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