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30626 (4240 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2030626
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04403365828993987 4.0025e-08  
a 2.986425118294459 1.8111e-08 au
q 2.854921895126987 1.2399e-07 au
i 9.74936349878651 4.8482e-06 deg
node 357.8018624839573 2.2941e-05 deg
peri 237.012661765766 5.7164e-05 deg
M 48.50271989930332 5.0894e-05 deg
tp 2459142.525880124083
(2020-Oct-20.02588012)
0.00026698 TDB
period 1885.063009768313
5.16
1.7148e-05
4.695e-08
d
yr
n .1909750486506265 1.7373e-09 deg/d
Q 3.11792834146193 1.8909e-08 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      22184 days (60.74 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57211  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:49:26  

Additional Information
 Earth MOID = 1.85983 au 
 Jupiter MOID = 1.88918 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 14.40   n/a MPCxxxxx  
diameter diameter 4.249 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.246   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30626 (4240 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/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
1903-Nov-07 05:03 00:03 Jupiter 1.9099938972882 1.90999320611349 1.90999458846607 4.14415132286197 4.03572208982034 2416425.710221134 2.97392377077752 176.74414752515 21.9758113144769 -82.7891360413747 3480713.00218865 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 19:49:30 2021-Jul-08 19:49
1940-May-25 00:56 00:02 Jupiter 1.8874869569304 1.88748647299065 1.88748744087014 3.64530537305765 3.52004797754971 2429774.538994661 2.06034589792516 96.6775166192358 24.0542681200081 86.0790911717581 2886320.61865523 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 19:49:30 2021-Jul-08 19:49
2022-Jun-30 09:06 < 00:01 Jupiter 1.91401809568602 1.91401767998645 1.91401851138558 4.1584772880011 4.05066176430086 2459760.878927471 0.291375996206109 81.4718597653315 18.5952405166189 88.8950221313565 3541489.66572597 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 19:49:30 2021-Jul-08 19:49
2059-Jan-16 23:31 00:01 Jupiter 1.89571126551635 1.89571082519416 1.89571170583853 3.6059973662403 3.47988466158268 2473110.479619137 1.28435926224412 78.6851061452923 20.4646924095186 -88.9490419845025 2946192.51866742 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 19:49:30 2021-Jul-08 19:49
2141-Feb-21 20:59 00:03 Jupiter 1.91780872171627 1.91780784318313 1.91780960025508 4.16754793945486 4.06018873738967 2503096.374314742 3.43585956494302 209.679790529679 23.5875078552245 -81.4846982953211 3416211.46734268 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 19:49:30 2021-Jul-08 19:49
2177-Sep-12 02:03 00:05 Jupiter 1.90414926486802 1.90414860171647 1.90414992802261 3.55991775439217 3.43268912585829 2516447.585094481 4.62926069202723 190.646854772622 25.4509928176138 79.7102821429438 2839792.50085856 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 19:49:30 2021-Jul-08 19:49

Alternate Designations
 4240 P-L = 1999 CO53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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