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187016 (2004 UT2)
Classification: Main-belt Asteroid          SPK-ID: 2187016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09262448511975424 4.328e-08  
a 3.178054291510264 4.0902e-08 au
q 2.8836886490765 1.4124e-07 au
i 13.47624936394294 4.8111e-06 deg
node 156.1364813431888 2.1641e-05 deg
peri 175.8628194894727 3.5507e-05 deg
M 351.1384821713337 3.0551e-05 deg
tp 2459251.438483322121
(2021-Feb-05.93848332)
0.00017606 TDB
period 2069.380703229213
5.67
3.995e-05
1.094e-07
d
yr
n .1739650898639528 3.3585e-09 deg/d
Q 3.472419933944027 4.4691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5998  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:41  

Additional Information
 Earth MOID = 1.87168 au 
 Jupiter MOID = 1.91933 au 
 T_jup = 3.151 
[ 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 14.81   n/a E2021B55  

187016 (2004 UT2)          Discovered 2004-Oct-18 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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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
1944-Aug-13 11:21 00:04 Jupiter 1.99234202219936 1.9923412892278 1.99234275518496 4.30096162047234 4.20095139745643 2431315.972820432 3.78754012026686 330.602490576316 19.7934146824917 -85.1670421937209 3678318.72152759 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 21:53:42 2021-Apr-13 21:53
1955-Jul-23 03:08 00:03 Jupiter 1.98461404101072 1.98461349930295 1.98461458272053 3.9529770255178 3.84349296984858 2435311.630870960 3.29918812095869 214.66047291035 22.4492833321561 85.4072159096313 3238957.81023728 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 21:53:42 2021-Apr-13 21:53
2075-Jan-28 17:37 00:03 Jupiter 1.98733070080006 1.98733016821242 1.98733123339358 4.29726346690088 4.19690969597873 2478966.234101126 3.27168130352462 284.222954844704 19.5030725763104 -86.9353066516088 3692966.19529937 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 21:53:42 2021-Apr-13 21:53
2086-Jan-06 09:07 00:04 Jupiter 1.98457474997486 1.98457410318378 1.9845753967726 4.01082821559384 3.90296514466459 2482961.879615136 4.16698151690001 268.417094854094 22.2656883880997 84.1560892617803 3335564.61886288 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 21:53:42 2021-Apr-13 21:53
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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