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187015 (2004 UM2)
Classification: Main-belt Asteroid          SPK-ID: 2187015
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07511231049916901 3.8778e-08  
a 3.09300309100702 2.8146e-08 au
q 2.860680482460411 1.2563e-07 au
i 10.83685159931289 4.111e-06 deg
node 66.2466852771457 2.4469e-05 deg
peri 254.3169562623385 4.6608e-05 deg
M 38.14695714429815 3.5858e-05 deg
tp 2458989.964004307001
(2020-May-20.46400431)
0.00019922 TDB
period 1986.867737911
5.44
2.7121e-05
7.425e-08
d
yr
n .1811897154153328 2.4732e-09 deg/d
Q 3.325325699553629 3.026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2002-03-20  
   last obs. used      2020-11-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58766  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:39  

Additional Information
 Earth MOID = 1.86993 au 
 Jupiter MOID = 1.90714 au 
 T_jup = 3.193 
[ 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 15.06   n/a MPCxxxxx  

187015 (2004 UM2)          Discovered 2004-Oct-18 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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
1918-Nov-02 15:46 00:04 Jupiter 1.97255007466216 1.97254898843191 1.97255116090104 3.79543475407489 3.68055910576664 2421900.157282331 4.09015215687828 225.087171181938 12.5343913665419 -75.2287736554037 4014871.99965083 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 21:53:40 2021-Apr-13 21:53
1928-Nov-21 05:08 00:04 Jupiter 1.9833445077205 1.98334383605652 1.98334517938673 4.40629804884842 4.30828584941282 2425571.713903047 3.6531609972062 144.68293276953 19.9724924820529 -79.5888710119495 3631506.84190292 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 21:53:40 2021-Apr-13 21:53
1989-May-11 17:58 00:01 Jupiter 1.92850059135532 1.92850006425543 1.92850111845575 4.10777042444426 3.99941894276509 2447658.248955361 1.08454009232116 79.0037933419125 16.2593391076455 -76.2621246761429 3738129.26427854 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 21:53:40 2021-Apr-13 21:53
2059-Nov-21 17:43 00:02 Jupiter 1.94323807124439 1.94323737099587 1.94323877149301 4.3639894654066 4.26293795868605 2473419.238141195 1.87201393275665 67.0758083207915 28.9533791187801 -77.789971294312 2598485.01477995 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 21:53:40 2021-Apr-13 21:53
2120-May-12 09:41 00:05 Jupiter 1.96963472411408 1.96963411725048 1.96963533098451 3.84709624180831 3.73364013894177 2495505.903180673 4.51429251713558 224.470742609456 13.3140153786945 -81.0431863343672 3733875.61503289 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 21:53:40 2021-Apr-13 21:53
2190-Nov-21 07:52 00:07 Jupiter 1.94132540290368 1.94132499785464 1.94132580795293 4.20277797886933 4.09764808514709 2521265.827447216 7.37140599060009 252.810831065513 16.9711201581887 -88.4749040880265 3398037.52251887 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 21:53:40 2021-Apr-13 21:53

Alternate Designations
 2004 UM2 = 2002 GR108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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