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JPL Small-Body Database Browser
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390815 (2004 JW44)
Classification: Outer Main-belt Asteroid          SPK-ID: 2390815
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275599938373005 9.5461e-08  
a 3.220258701672054 6.0217e-08 au
q 2.809482521532254 3.2431e-07 au
i 9.936625048015781 6.4718e-06 deg
node 93.6012068430872 5.3065e-05 deg
peri 138.8953172726784 6.4193e-05 deg
M 283.1191266021909 4.282e-05 deg
tp 2459451.265197893228
(2021-Aug-24.76519789)
0.00025719 TDB
period 2110.739174383348
5.78
5.9205e-05
1.621e-07
d
yr
n .1705563645044745 4.784e-09 deg/d
Q 3.631034881811854 6.7899e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      8427 days (23.07 yr)  
   first obs. used      1996-12-08  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:57:09  

Additional Information
 Earth MOID = 1.80701 au 
 Jupiter MOID = 1.43799 au 
 T_jup = 3.153 
[ 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 15.6   n/a MPO427947  
diameter diameter 3.971 km 0.425 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390815 (2004 JW44)          Discovered 2004-May-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ 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
1902-Dec-01 16:51 00:07 Jupiter 1.99316390423859 1.99315968612211 1.99316812237501 3.87595566917877 3.76471841448561 2416085.202078334 6.94914427757247 395.559979646542 49.7553597921882 -65.8807415421499 1386263.00498951 T 12 CATAB v2.0f-lin.ifort 2020-Jan-30 09:57:27 2020-Jan-30 09:57
2013-Oct-06 12:16 < 00:01 Jupiter 1.70476479161904 1.70476394548172 1.70476563775724 2.93910672717913 2.76489357308307 2456572.010908961 0.462707289804343 124.45568548992 24.3880327396299 -76.7956459856889 1732583.05095149 T 12 CATAB v2.0f-lin.ifort 2020-Jan-30 09:57:27 2020-Jan-30 09:57
2024-Dec-20 18:13 00:01 Jupiter 1.50138291942594 1.50138213816662 1.50138370068757 2.51000100016267 2.27415521011554 2460665.258860806 1.00783655697897 178.202013928923 29.8226015784267 -82.4821126237429 1357929.9568015 T 12 CATAB v2.0f-lin.ifort 2020-Jan-30 09:57:27 2020-Jan-30 09:57
2036-Apr-02 12:28 00:02 Jupiter 1.4315782789598 1.43157730676605 1.43157925115747 2.15412328741411 1.85927574755201 2464786.019455743 2.21849213609155 263.844787692306 81.2420722077101 -86.0383392090973 995021.399015465 T 12 CATAB v2.0f-lin.ifort 2020-Jan-30 09:57:27 2020-Jan-30 09:57
2047-Jul-03 21:45 00:04 Jupiter 1.49443423722871 1.49443249727199 1.49443597723921 1.78848999855661 1.43705497505895 2468895.406169221 4.02618835169754 630.914581627986 167.457343967127 -72.2716872517505 802784.652690115 T 12 CATAB v2.0f-lin.ifort 2020-Jan-30 09:57:27 2020-Jan-30 09:57
2058-Aug-14 07:25 00:06 Jupiter 1.67682373588726 1.67682062989367 1.67682684206044 1.83703002058825 1.53766352239778 2472954.808988228 6.24719215814889 1032.88693080921 81.6453034771778 87.2552243335195 1014836.7319685 T 12 CATAB v2.0f-lin.ifort 2020-Jan-30 09:57:27 2020-Jan-30 09:57
2069-Aug-17 14:44 00:07 Jupiter 1.9211112171778 1.92110741138113 1.92111502299805 3.13709512919474 2.99325259231188 2476976.113935375 7.44018203295729 413.916402612184 40.0271062142803 -75.4730042979147 1328015.9543743 T 12 CATAB v2.0f-lin.ifort 2020-Jan-30 09:57:27 2020-Jan-30 09:57
2180-May-19 22:27 00:12 Jupiter 1.8209566651474 1.82094788148188 1.82096544898805 2.95771142702627 2.79602430565722 2517428.435215653 12.2983693575588 1019.84522842548 23.959718387465 -67.5748702847063 1380276.01635939 T 12 CATAB v2.0f-lin.ifort 2020-Jan-30 09:57:27 2020-Jan-30 09:57
2191-Jul-22 02:57 00:12 Jupiter 1.56851767849503 1.56851114692798 1.56852421042416 2.6480236350242 2.4355697246403 2521508.622951931 11.5892186032767 1289.46143467872 17.4933498296769 -77.5870595734631 1360972.42458471 T 12 CATAB v2.0f-lin.ifort 2020-Jan-30 09:57:27 2020-Jan-30 09:57

Alternate Designations
 2004 JW44 = 2010 EB116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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