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JPL Small-Body Database Browser
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52122 (4128 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2052122
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05152685747567083 3.5463e-08  
a 2.977938887241965 1.6874e-08 au
q 2.82449505462779 1.0678e-07 au
i 10.28789239751853 4.2216e-06 deg
node 190.1665677536267 2.1604e-05 deg
peri 318.5632218684424 4.5986e-05 deg
M 83.34596054285034 3.9776e-05 deg
tp 2458565.935591865359
(2019-Mar-23.43559187)
0.00020755 TDB
period 1877.033822749446
5.14
1.5953e-05
4.368e-08
d
yr
n .1917919622101846 1.6301e-09 deg/d
Q 3.13138271985614 1.7743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      21410 days (58.62 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54529  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:46:35  

Additional Information
 Earth MOID = 1.84205 au 
 Jupiter MOID = 1.86405 au 
 T_jup = 3.234 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456602.5 (2013-Nov-06.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05330627589853899 3.5311e-08  
q 2.820181836575476 1.0668e-07 au
tp 2456682.323427094808
(2014-Jan-24.82342709)
0.00020253 TDB
node 190.2084260987508 2.1609e-05 deg
peri 317.308452633985 4.49e-05 deg
i 10.28573237703531 4.2211e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      21410 days (58.62 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54529  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:46:35  

Additional Information
 Jupiter MOID = 1.86405 au 
 T_jup = 3.234 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.24685745548288E-15 -3.723657020163035E-15 6.701842952499155E-13 -6.431540346878856E-15 1.420883827920985E-13 -8.7567582534132E-16
q -3.723657020163035E-15 1.138114861496502E-14 -2.336433343389663E-12 1.912245646249541E-14 -4.923526706713719E-13 3.027227157122284E-15
tp 6.701842952499155E-13 -2.336433343389663E-12 4.101655247925672E-8 -5.034574322470354E-12 7.989317327209704E-9 -4.779896787043959E-12
node -6.431540346878856E-15 1.912245646249541E-14 -5.034574322470354E-12 4.669532359792755E-10 -4.600951313286278E-10 2.673677015231098E-12
peri 1.420883827920985E-13 -4.923526706713719E-13 7.989317327209704E-9 -4.600951313286278E-10 2.01600843505423E-9 -3.532579605461075E-12
i -8.7567582534132E-16 3.027227157122284E-15 -4.779896787043959E-12 2.673677015231098E-12 -3.532579605461075E-12 1.781787826458196E-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 13.9   n/a MPO474406  
diameter diameter 5.817 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.173   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52122 (4128 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4128 P-L = 1994 JM8 = 1999 FV25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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