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JPL Small-Body Database Browser
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18444 (1994 PL10)
Classification: Main-belt Asteroid          SPK-ID: 2018444
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1920661993735693 3.8112e-08  
a 3.129301455175769 2.1156e-08 au
q 2.528268417985979 1.2053e-07 au
i 2.825063107966543 4.3748e-06 deg
node 322.8125846651233 8.4359e-05 deg
peri 8.415016869251989 8.5115e-05 deg
M 228.9747084268398 1.4407e-05 deg
tp 2459736.405695332115
(2022-Jun-05.90569533)
8.599e-05 TDB
period 2021.945894099655
5.54
2.0504e-05
5.614e-08
d
yr
n .1780463072976061 1.8055e-09 deg/d
Q 3.730334492365559 2.5219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1205  
   data-arc span      10274 days (28.13 yr)  
   first obs. used      1992-03-01  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52043  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:49:19  

Additional Information
 Earth MOID = 1.51765 au 
 Jupiter MOID = 1.63792 au 
 T_jup = 3.183 
[ 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 14.1   n/a MPO467909  
diameter diameter 8.902 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.176 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.061   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18444 (1994 PL10)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20001111/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
1908-Feb-02 20:53 00:04 Jupiter 1.63208567269957 1.63208529653707 1.63208604886189 1.6694836299856 1.32257789571666 2417974.370138767 3.62843324469062 189.419597708087 44.7239335064052 -70.9638659440418 2783382.83325877 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:49:32 2020-May-20 04:49
1918-Jun-02 22:28 00:03 Jupiter 1.81338913290467 1.81338763537502 1.81339063043329 2.4971643560778 2.30252959977205 2421747.436277922 3.35633631615419 68.5472704758978 11.4278557878206 -73.1077835636719 1095537.07162904 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:49:32 2020-May-20 04:49
1981-May-09 16:33 00:01 Jupiter 1.97309073226288 1.97308983596847 1.97309162855684 2.39930986434589 2.21316820558862 2444734.189878679 1.25480395881092 57.3101935084464 19.6222225660736 -88.6155051139219 1681521.3273442 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:49:32 2020-May-20 04:49
1991-Sep-18 04:33 < 00:01 Jupiter 1.66441874158292 1.66441827912487 1.66441920404106 1.65515944196033 1.31215585840401 2448517.689467092 0.849930292931682 142.964954522162 47.9029143526847 -67.5307273783713 2744490.63342979 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:49:32 2020-May-20 04:49
2002-Jan-24 07:44 < 00:01 Jupiter 1.71928480490725 1.71928439012914 1.71928521968516 2.06798149727312 1.81417415485105 2452298.822261931 0.475054985106422 55.777234625684 14.6637504916853 -78.7123002562968 2521440.6030796 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:49:32 2020-May-20 04:49
2075-May-05 13:16 00:02 Jupiter 1.7482817251161 1.74828105700421 1.74828239322748 1.74707649093604 1.44336382174436 2479063.052583633 1.97053365024372 108.95235851718 43.9060138793562 -82.1044201427742 1897673.8224052 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:49:32 2020-May-20 04:49
2085-Sep-15 03:21 00:02 Jupiter 1.66640699254915 1.66640650528177 1.66640747981653 1.8234087993103 1.51928741253264 2482848.639356322 2.40639885446367 94.970600969213 28.9351761651273 -68.2957988325339 2467071.02047116 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:49:32 2020-May-20 04:49
2096-Jan-13 05:12 00:03 Jupiter 1.9434775815209 1.94347640398817 1.94347875905397 3.19409203904465 3.05459774257548 2486620.716856687 2.81778361799555 82.0114322057042 17.5788982775156 -64.5254419191673 1874372.42259343 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:49:32 2020-May-20 04:49
2158-Dec-23 04:56 00:05 Jupiter 1.8479274149142 1.84792555848911 1.84792927133761 1.94331577874562 1.69107929282397 2509609.705863412 4.78813154707948 114.166957324625 19.5882926204069 87.9287768196084 1141585.01110064 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:49:32 2020-May-20 04:49
2169-May-03 23:15 00:05 Jupiter 1.64845951559642 1.64845916023051 1.64845987096224 1.67063039089357 1.32791283582463 2513394.468984395 5.15512506319341 306.688009517342 46.3381182400878 -73.9686634924619 2826683.64188465 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:49:32 2020-May-20 04:49
2179-Sep-06 10:09 00:06 Jupiter 1.83259094865758 1.83258877962959 1.83259311768443 2.58437121850004 2.39886967318156 2517171.923183664 5.72023993340137 107.54900049043 15.2996816953395 -68.8596502224288 1103852.43379102 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:49:32 2020-May-20 04:49

Alternate Designations
 1994 PL10 = 2000 SS272 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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