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52572 (1997 LL)
Classification: Main-belt Asteroid          SPK-ID: 2052572
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2221550489732003 7.5576e-08  
a 2.488395985691432 1.9797e-08 au
q 1.935586253625437 1.8794e-07 au
i 7.553749701866638 8.6545e-06 deg
node 170.4181836797602 4.7231e-05 deg
peri 170.8432645284021 5.0048e-05 deg
M 232.8742658388442 2.1463e-05 deg
tp 2459506.800828688245
(2021-Oct-19.30082869)
8.7466e-05 TDB
period 1433.763978084161
3.93
1.711e-05
4.684e-08
d
yr
n .2510873515465515 2.9964e-09 deg/d
Q 3.041205717757427 2.4195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      8253 days (22.60 yr)  
   first obs. used      1997-06-03  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57422  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:19:27  

Additional Information
 Earth MOID = .927949 au 
 Jupiter MOID = 2.37597 au 
 T_jup = 3.428 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456569.5 (2013-Oct-04.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215503390610492 7.5636e-08  
q 1.93774599406719 1.8812e-07 au
tp 2456634.288584620638
(2013-Dec-07.78858462)
8.1733e-05 TDB
node 170.4836984605916 4.734e-05 deg
peri 170.1019486726966 5.0146e-05 deg
i 7.541104902084917 8.6481e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      8253 days (22.60 yr)  
   first obs. used      1997-06-03  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57422  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:19:27  

Additional Information
 Jupiter MOID = 2.37597 au 
 T_jup = 3.428 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.720741922478833E-15 -1.41812996759839E-14 -9.938714054702355E-13 2.301617806694651E-14 -1.761239523774425E-13 5.53221132767208E-15
q -1.41812996759839E-14 3.538879695323315E-14 2.471563622962176E-12 -5.7699946221381E-14 4.269534370182081E-13 -1.422788825633654E-14
tp -9.938714054702355E-13 2.471563622962176E-12 6.680258427678634E-9 -8.116142362816191E-12 1.384450176724746E-9 -1.647708563597094E-12
node 2.301617806694651E-14 -5.7699946221381E-14 -8.116142362816191E-12 2.241121823480634E-9 -2.222314858110345E-9 -3.671787948888797E-11
peri -1.761239523774425E-13 4.269534370182081E-13 1.384450176724746E-9 -2.222314858110345E-9 2.514639069429443E-9 3.611344271572017E-11
i 5.53221132767208E-15 -1.422788825633654E-14 -1.647708563597094E-12 -3.671787948888797E-11 3.611344271572017E-11 7.478963164756103E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO432083  

52572 (1997 LL)          Discovered 1997-Jun-03 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 LL = 2000 DM46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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