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152541 (1140 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2152541
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483793667766513 4.1851e-08  
a 2.314590786936109 1.2652e-08 au
q 1.971153271623458 9.789e-08 au
i 2.77636456469821 6.8889e-06 deg
node 1.000161034349236 9.5705e-05 deg
peri 267.9530007684198 9.8663e-05 deg
M 280.6170146768083 2.4993e-05 deg
tp 2459680.118583384982
(2022-Apr-10.61858338)
9.0428e-05 TDB
period 1286.203707291973
3.52
1.0546e-05
2.887e-08
d
yr
n .2798934554138076 2.2949e-09 deg/d
Q 2.65802830224876 1.4529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      17329 days (47.44 yr)  
   first obs. used      1973-09-24  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58719  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:27:34  

Additional Information
 Earth MOID = .957451 au 
 Jupiter MOID = 2.43029 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457546.5 (2016-Jun-07.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487486744839319 4.1767e-08  
q 1.970071291460332 9.7729e-08 au
tp 2457108.248192114236
(2015-Mar-26.74819211)
8.1944e-05 TDB
node 1.048315273897025 9.5636e-05 deg
peri 267.9787131431493 9.859e-05 deg
i 2.777882432629688 6.8909e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      17329 days (47.44 yr)  
   first obs. used      1973-09-24  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58719  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:27:34  

Additional Information
 Jupiter MOID = 2.43029 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.744460418430385E-15 -4.05727745320633E-15 1.893838966022716E-13 3.381192730223533E-16 2.649537860333895E-14 -2.053541194052229E-16
q -4.05727745320633E-15 9.551013538043387E-15 -1.86314576506177E-13 -1.271501388047122E-16 1.702442052533218E-14 5.935355340905407E-16
tp 1.893838966022716E-13 -1.86314576506177E-13 6.71477988551001E-9 -8.47175742122295E-12 1.974210406382754E-9 -3.35892524167646E-13
node 3.381192730223533E-16 -1.271501388047122E-16 -8.47175742122295E-12 9.146273551821882E-9 -9.137347462767268E-9 -5.581401360268017E-11
peri 2.649537860333895E-14 1.702442052533218E-14 1.974210406382754E-9 -9.137347462767268E-9 9.719976110173636E-9 5.567804052118115E-11
i -2.053541194052229E-16 5.935355340905407E-16 -3.35892524167646E-13 -5.581401360268017E-11 5.567804052118115E-11 4.748454089510818E-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 16.98   n/a MPCxxxxx  

152541 (1140 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 1140 T-2 = 2001 PQ61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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