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120596 (1995 UM12)
Classification: Main-belt Asteroid          SPK-ID: 2120596
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259482832425404 3.8391e-08  
a 2.6745184083908 1.5359e-08 au
q 2.337667406353407 1.0835e-07 au
i 2.168371551383627 5.0841e-06 deg
node 4.26449629922608 0.00010362 deg
peri 303.4788913867074 0.00010583 deg
M 333.2946494109473 2.2695e-05 deg
tp 2459319.012073605800
(2021-Apr-14.51207361)		 0.0001009 TDB
period 1597.595446493685
4.37		 1.3762e-05
3.768e-08		 d
yr
n .2253386492745134 1.9411e-09 deg/d
Q 3.011369410428193 1.7294e-08 au
   Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      9016 days (24.68 yr)  
   first obs. used      1995-10-17  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:05  

Additional Information
 Earth MOID = 1.32179 au 
 Jupiter MOID = 2.21856 au 
 T_jup = 3.367 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.85   n/a E2021B55  

120596 (1995 UM12)          Discovered 1995-Oct-17 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1995 UM12 = 1999 RD115 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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