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JPL Small-Body Database Browser
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52040 (2002 PJ61)
Classification: Main-belt Asteroid          SPK-ID: 2052040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1522905104229714 5.0113e-08  
a 2.573288294064392 1.4844e-08 au
q 2.181400906295869 1.2578e-07 au
i 1.370928990781884 4.8356e-06 deg
node 233.3410898330483 0.00019804 deg
peri 81.08427009919919 0.0001988 deg
M 132.6738190151484 2.1561e-05 deg
tp 2458444.834001128338
(2018-Nov-22.33400113)
8.6967e-05 TDB
period 1507.756097463045
4.13
1.3046e-05
3.572e-08
d
yr
n .2387654081490615 2.066e-09 deg/d
Q 2.965175681832915 1.7105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      8725 days (23.89 yr)  
   first obs. used      1996-01-13  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51983  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:56:46  

Additional Information
 Earth MOID = 1.16806 au 
 Jupiter MOID = 2.30442 au 
 T_jup = 3.412 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456566.5 (2013-Oct-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539509907402039 5.0125e-08  
q 2.175983035290306 1.2599e-07 au
tp 2456938.197928517473
(2014-Oct-07.69792852)
7.7803e-05 TDB
node 233.4487784245996 0.00019854 deg
peri 81.13684455095219 0.00019927 deg
i 1.368502243740947 4.8343e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      8725 days (23.89 yr)  
   first obs. used      1996-01-13  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51983  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:56:46  

Additional Information
 Jupiter MOID = 2.30442 au 
 T_jup = 3.412 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.512554910210166E-15 -6.286927519029794E-15 5.943934467469982E-13 1.137101624188115E-15 2.645769725817904E-14 -6.220543648223923E-16
q -6.286927519029794E-15 1.587280435057964E-14 -9.663346779301335E-13 -2.575468033737469E-16 3.958908456953177E-14 1.641439471455296E-15
tp 5.943934467469982E-13 -9.663346779301335E-13 6.053278578881211E-9 1.413813007298761E-11 1.343870970178555E-9 1.437533026243545E-13
node 1.137101624188115E-15 -2.575468033737469E-16 1.413813007298761E-11 3.94167905950824E-8 -3.940216267806923E-8 6.943227345017791E-11
peri 2.645769725817904E-14 3.958908456953177E-14 1.343870970178555E-9 -3.940216267806923E-8 3.970984081747875E-8 -6.937106883340023E-11
i -6.220543648223923E-16 1.641439471455296E-15 1.437533026243545E-13 6.943227345017791E-11 -6.937106883340023E-11 2.337091986172314E-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 MPO452878  

52040 (2002 PJ61)          Discovered 2002-Aug-11 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 PJ61 = 1996 AF17 = 1998 RZ74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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