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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1904-Feb-28 23:21 00:03 Jupiter 1.85853054269683 1.85853019253175 1.8585308928619 3.90656120343137 3.78810287963734 2416539.472940756 2.73537098950546 229.22482440746 15.4686801902609 -89.383134095121 3615424.51325119 T 27 CATAB v2.0e-lin.ifort 2019-May-30 04:46:46 2019-May-30 04:46
1940-Jun-12 07:28 00:02 Jupiter 1.90802611158575 1.90802550045125 1.90802672272308 4.12834455115797 4.01937515184603 2429792.811161577 1.81470903534833 146.166270560254 16.0273273936709 80.5470426957905 3924907.30835227 T 27 CATAB v2.0e-lin.ifort 2019-May-30 04:46:46 2019-May-30 04:46
2021-Dec-23 02:46 < 00:01 Jupiter 1.91915212130422 1.91915174023126 1.91915250237728 3.5531314744029 3.42666577713443 2459571.615073495 0.301346225339659 43.2184180299014 15.9899496827051 -81.8364834514438 3618026.01412509 T 27 CATAB v2.0e-lin.ifort 2019-May-30 04:46:46 2019-May-30 04:46
2058-Apr-12 09:48 00:01 Jupiter 1.85501550387156 1.85501515187138 1.85501585587174 3.87611983545905 3.75647185381238 2472830.908322911 1.16550209466099 103.466612846052 15.3653728072188 -87.6583822195668 3600833.8411987 T 27 CATAB v2.0e-lin.ifort 2019-May-30 04:46:46 2019-May-30 04:46
2094-Jul-27 18:47 00:02 Jupiter 1.89363807576932 1.89363742485475 1.89363872668788 4.06907986152102 3.95762716987934 2486086.282407807 2.09198437323823 170.509564557917 15.9079422770195 81.2251473702285 3818887.78583022 T 27 CATAB v2.0e-lin.ifort 2019-May-30 04:46:46 2019-May-30 04:46
2176-Feb-05 22:38 00:04 Jupiter 1.93852104625648 1.93851956399617 1.93852252852956 3.59054965435266 3.46672201478919 2515863.442839657 4.30934417249008 270.299875749478 16.7230004517377 -73.2716546747255 3693487.56506384 T 27 CATAB v2.0e-lin.ifort 2019-May-30 04:46:46 2019-May-30 04:46

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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