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385715 (2005 UL117)
Classification: Main-belt Asteroid          SPK-ID: 2385715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09675989088825179 6.7458e-08  
a 2.39790476729717 1.6647e-08 au
q 2.165883763653077 1.6648e-07 au
i 1.196255050788542 6.1356e-06 deg
node 317.542553661892 0.00044143 deg
peri 146.2583950321705 0.00045077 deg
M 21.76739031359067 8.2139e-05 deg
tp 2459314.493139209298
(2021-Apr-09.99313921)
0.0003096 TDB
period 1356.270524823551
3.71
1.4123e-05
3.867e-08
d
yr
n .2654337710736843 2.764e-09 deg/d
Q 2.629925770941263 1.8257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      6534 days (17.89 yr)  
   first obs. used      2003-02-26  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59844  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:22  

Additional Information
 Earth MOID = 1.18313 au 
 Jupiter MOID = 2.46678 au 
 T_jup = 3.521 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457858.5 (2017-Apr-15.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09548744413901113 6.7053e-08  
q 2.168880919917815 1.6518e-07 au
tp 2457955.695950306482
(2017-Jul-21.19595031)
0.00031949 TDB
node 317.700382296295 0.00044213 deg
peri 145.487930693216 0.00045185 deg
i 1.195105124953862 6.1305e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      6534 days (17.89 yr)  
   first obs. used      2003-02-26  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59844  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:22  

Additional Information
 Jupiter MOID = 2.46678 au 
 T_jup = 3.521 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.496116158933623E-15 -1.103301915192881E-14 7.606055136690667E-14 -1.280013246518748E-14 2.148151154620657E-13 -2.551398576613175E-15
q -1.103301915192881E-14 2.728325065634078E-14 -1.119864879423764E-12 2.595557745538531E-14 -8.081399845453476E-13 6.228014382652111E-15
tp 7.606055136690667E-14 -1.119864879423764E-12 1.02075795614882E-7 7.85402247295756E-10 2.987004691781875E-8 1.877344606164602E-11
node -1.280013246518748E-14 2.595557745538531E-14 7.85402247295756E-10 1.954825174721392E-7 -1.952047156705531E-7 -8.978903002982556E-11
peri 2.148151154620657E-13 -8.081399845453476E-13 2.987004691781875E-8 -1.952047156705531E-7 2.04167792582882E-7 9.526213430612712E-11
i -2.551398576613175E-15 6.228014382652111E-15 1.877344606164602E-11 -8.978903002982556E-11 9.526213430612712E-11 3.758256307206222E-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 17.93   n/a MPCxxxxx  

385715 (2005 UL117)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

[ 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
1911-Oct-29 02:37 00:02 Eunom 0.0215577192602671 0.0215238223422327 0.0215916171089449 4.4869000445826 4.48689989945679 2419338.609120002 1.9323762500772 1703.51776611488 68.7823769222742 7.52248910606113 6411.72036654659 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 11:06:22 2021-Apr-14 11:06
2027-Oct-09 18:10 00:02 Amphi 0.0302397936733131 0.0302342897820244 0.0302452991967997 1.99701782501182 1.99701772981722 2461688.257074699 2.45490848143382 456.034322259114 77.3631749408831 -54.2018842968091 47683.4969250184 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 11:06:22 2021-Apr-14 11:06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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