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437121 (2012 UL137)
Classification: Main-belt Asteroid          SPK-ID: 2437121
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163666351259887 5.9257e-08  
a 2.642646504320206 1.789e-08 au
q 2.210134193288423 1.6375e-07 au
i .6754125757349488 4.9448e-06 deg
node 246.742763596908 0.00048532 deg
peri 84.88739602637102 0.00048589 deg
M 14.91534633274614 1.8157e-05 deg
tp 2459135.488845562950
(2020-Oct-12.98884556)
7.9349e-05 TDB
period 1569.123175232976
4.30
1.5934e-05
4.362e-08
d
yr
n .2294274953567931 2.3297e-09 deg/d
Q 3.07515881535199 2.0818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      7641 days (20.92 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:25:29  

Additional Information
 Earth MOID = 1.19773 au 
 Jupiter MOID = 2.2783 au 
 T_jup = 3.375 
[ 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 17.84   n/a E2021B25  

437121 (2012 UL137)          Discovered 1999-Oct-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 UL137 = 1999 TP84 = 1999 UE65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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