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146628 (2001 UJ12)
Classification: Main-belt Asteroid          SPK-ID: 2146628
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07249853137867282 4.3516e-08  
a 2.625134616030256 1.5187e-08 au
q 2.434816211696746 1.1532e-07 au
i 2.133889834088129 4.0641e-06 deg
node 296.6651730494061 0.00013665 deg
peri 117.4246917960006 0.00014019 deg
M 24.47761311053973 3.067e-05 deg
tp 2458494.868764277025
(2019-Jan-11.36876428)
0.00013232 TDB
period 1553.552002335427
4.25
1.3481e-05
3.691e-08
d
yr
n .231727035502396 2.0108e-09 deg/d
Q 2.815453020363766 1.6288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:02:04  

Additional Information
 Earth MOID = 1.44649 au 
 Jupiter MOID = 2.42267 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456531.5 (2013-Aug-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07065532670954176 4.337e-08  
q 2.439829647305969 1.1467e-07 au
tp 2456940.108521693105
(2014-Oct-09.60852169)
0.00013668 TDB
node 296.8158143281262 0.00013633 deg
peri 117.0203499091135 0.0001401 deg
i 2.136836911005398 4.0673e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:02:04  

Additional Information
 Jupiter MOID = 2.42267 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.880946962013016E-15 -4.935324895667397E-15 -1.382369403108372E-12 -2.49420915363885E-14 -3.18770925350552E-13 -5.759178472018585E-16
q -4.935324895667397E-15 1.314863284694736E-14 3.479562333763731E-12 6.433597553406984E-14 7.923578307066406E-13 1.652805076491228E-15
tp -1.382369403108372E-12 3.479562333763731E-12 1.86824830290493E-8 3.022019016487416E-11 4.443690392090918E-9 -3.258231968907839E-13
node -2.49420915363885E-14 6.433597553406984E-14 3.022019016487416E-11 1.858574973377906E-8 -1.856516292053331E-8 1.486810908465663E-11
peri -3.18770925350552E-13 7.923578307066406E-13 4.443690392090918E-9 -1.856516292053331E-8 1.962683788485171E-8 -1.493403196407103E-11
i -5.759178472018585E-16 1.652805076491228E-15 -3.258231968907839E-13 1.486810908465663E-11 -1.493403196407103E-11 1.654326027581119E-11

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 15.8   n/a MPO412893  

146628 (2001 UJ12)          Discovered 2001-Oct-24 by Yeung, W. K. Y. at Desert Eagle
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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