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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641382389660468 6.3509e-08  
a 2.644008514268402 2.604e-08 au
q 2.210025612925153 1.6987e-07 au
i .6755469321986531 1.0861e-05 deg
node 246.7760643860122 0.00066395 deg
peri 84.89914251987074 0.00066492 deg
M 329.0240301456345 3.8295e-05 deg
tp 2459135.618592638155
(2020-Oct-13.11859264)
0.00016811 TDB
period 1570.33641169045
4.30
2.3199e-05
6.352e-08
d
yr
n .2292502404707435 3.3868e-09 deg/d
Q 3.077991415611651 3.0314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:53:47  

Additional Information
 Earth MOID = 1.19955 au 
 Jupiter MOID = 2.27595 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456839.5 (2014-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633789299649666 6.3948e-08  
q 2.211123484875881 1.7109e-07 au
tp 2457569.179399886480
(2016-Jun-29.67939989)
0.00015809 TDB
node 246.8292056540845 0.00066429 deg
peri 85.42046198699256 0.00066527 deg
i .6752977257582913 1.0864e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:53:47  

Additional Information
 Jupiter MOID = 2.27595 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.089360632598526E-15 -1.085585329237077E-14 4.652158805230886E-12 5.957856264663963E-15 1.153694967018443E-12 -4.467397407180706E-16
q -1.085585329237077E-14 2.92729186995836E-14 -1.09854214926974E-11 -3.158150335707845E-14 -2.797278168382856E-12 1.521430558600325E-15
tp 4.652158805230886E-12 -1.09854214926974E-11 2.499253289997517E-8 5.957771939097506E-12 5.734293289111479E-9 -6.464648696532093E-13
node 5.957856264663963E-15 -3.158150335707845E-14 5.957771939097506E-12 4.412869518998008E-7 -4.412546557779163E-7 -4.027514214760227E-9
peri 1.153694967018443E-12 -2.797278168382856E-12 5.734293289111479E-9 -4.412546557779163E-7 4.425804217019156E-7 4.027073334735123E-9
i -4.467397407180706E-16 1.521430558600325E-15 -6.464648696532093E-13 -4.027514214760227E-9 4.027073334735123E-9 1.180333490320532E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO434607  

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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