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JPL Small-Body Database Browser
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344301 (2001 UM87)
Classification: Main-belt Asteroid          SPK-ID: 2344301
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2006627386408547 2.2091e-07  
a 2.351464340433751 1.2018e-08 au
q 1.879613066066003 5.2039e-07 au
i 4.121077041607616 9.8377e-06 deg
node 342.6624920027456 8.9662e-05 deg
peri 15.99411296608692 0.00010888 deg
M 323.9996867571223 3.5455e-05 deg
tp 2458732.207286237557
(2019-Sep-05.70728624)		 0.00012966 TDB
period 1317.061402372692
3.61		 1.0097e-05
2.764e-08		 d
yr
n .2733357756528726 2.0954e-09 deg/d
Q 2.823315614801498 1.4429e-08 au
   Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      6608 days (18.09 yr)  
   first obs. used      2001-09-28  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52991  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 22:56:20  

Additional Information
 Earth MOID = .875287 au 
 Jupiter MOID = 2.6235 au 
 T_jup = 3.527 
[ 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 18.4   n/a MPO402360  

344301 (2001 UM87)          Discovered 2001-Oct-21 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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