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181230 (2005 TU64)
Classification: Main-belt Asteroid          SPK-ID: 2181230
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 .07981035502510878 4.525e-08  
a 2.782306760144647 1.9012e-08 au
q 2.560249869828743 1.2747e-07 au
i 2.608893661938244 5.294e-06 deg
node 226.7274087158794 0.00010956 deg
peri 81.98222727579602 0.00011631 deg
M 140.7358722045492 3.6822e-05 deg
tp 2458537.813304508393
(2019-Feb-23.31330451)
0.00017343 TDB
period 1695.141449297581
4.64
1.7375e-05
4.757e-08
d
yr
n .2123716579222188 2.1768e-09 deg/d
Q 3.004363650460552 2.053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      8440 days (23.11 yr)  
   first obs. used      1996-10-18  
   last obs. used      2019-11-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55033  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:44  

Additional Information
 Earth MOID = 1.54522 au 
 Jupiter MOID = 2.17457 au 
 T_jup = 3.326 
[ show covariance matrix ]

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 16.7   n/a MPO449919  

181230 (2005 TU64)          Discovered 2005-Oct-01 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ 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
2023-Sep-23 07:46 00:01 Eunom 0.0378798891378596 0.0378755067564391 0.0378842722660823 4.86164804185757 4.86164796563183 2460210.823509909 1.0884500837684 359.083210757598 80.4004526058017 54.5364467831571 58089.7796958865 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:45 2021-Apr-13 21:29
2174-Mar-30 19:25 00:01 Inter 0.0128861233993285 0.0128313500415093 0.0129409003273004 5.12814428258537 5.12814406105351 2515186.309173557 1.30272438113085 2750.87312912177 60.5731717811944 7.06504173508932 3970.97527374927 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:45 2021-Apr-13 21:29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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