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159857 (2004 LJ1)
Classification: Apollo [NEO, PHA]          SPK-ID: 2159857
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 222 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5936538429992172 2.9945e-08  
a 2.262588029045597 1.0173e-08 au
q .9193939504786538 6.7406e-08 au
i 23.14393203155953 5.8731e-06 deg
node 235.5786008999507 1.0988e-05 deg
peri 139.9620689502502 1.2748e-05 deg
M 216.1780030290544 1.2761e-05 deg
tp 2459497.126017980348
(2021-Oct-09.62601798)
4.7355e-05 TDB
period 1243.101682902115
3.40
8.3836e-06
2.295e-08
d
yr
n .2895981921282199 1.9531e-09 deg/d
Q 3.60578210761254 1.6212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1401  
   data-arc span      9244 days (25.31 yr)  
   first obs. used      1995-02-03  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-27 07:03:38  

Additional Information
 Earth MOID = .0159054 au 
 Jupiter MOID = 2.15276 au 
 T_jup = 3.276 
[ 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 15.43   n/a E2021B55  
diameter diameter 3.070 km 1.324 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 2.7247 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2004) http://www.asu.cas.cz/~ppravec/neo.htm]
[Galad, A.; Pravec, P.; Kusnirak, P.; Gajdos, S.; et al. (2005) Earth, Moon, and Planets 97, 147-163.]
[Torppa, J. (2011) http://www.astro.helsinki.fi/~psr/NEO/not_obs.html]
[Warner, B.D. (2015) Minor Planet Bull. 42, 41-53.]
geometric albedo albedo 0.130   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

159857 (2004 LJ1)          Discovered 2004-Jun-10 by LINEAR at Socorro
Reference: 20070630/Numbers.arcLast Updated: 2007-07-05

[ 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
1912-Oct-23 12:22 00:01 Earth 0.242403653237911 0.242398386976233 0.242408919571419 14.6432102346784 14.6424595664581 2419699.015201828 1.21788735823742 335.142853966206 9.66554307217435 -38.429806252925 2119145.04988888 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
1929-Nov-13 13:31 < 00:01 Earth 0.0572488554794338 0.0572469854023751 0.0572507255573483 16.4023085877739 16.3994708115858 2425929.062911350 0.232659303481819 93.9117864969968 10.0293257961171 6.81913368543761 137977.363006039 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
1946-Nov-22 12:45 < 00:01 Earth 0.0713219896770243 0.0713161180325017 0.0713278613324447 18.6085252042095 18.6065174969906 2432147.031465888 0.552575687925987 296.082437201467 11.680073988406 -8.55854729851804 137255.217926158 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
1963-Dec-04 09:04 < 00:01 Earth 0.276245523719908 0.276240513037532 0.276250534402495 23.0923811692972 23.0919634809902 2438367.877565880 0.379834223452452 250.157272833317 11.7133446179957 2.79710269324774 225757.285100379 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
1987-Aug-07 10:14 < 00:01 Earth 0.478830752532529 0.478829590395596 0.47883191467575 18.3143477669244 18.3140439286592 2447014.926345579 0.314334118284899 107.255807350594 16.2138447258502 -58.3496457970473 3421045.33098555 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2004-Sep-24 00:06 < 00:01 Earth 0.369788762954206 0.369788441699233 0.369789084209201 15.2407753172696 15.2403025381121 2453272.504333045 0.18384571510986 16.4060990654971 10.008442286966 -15.8050340920256 3223446.33623448 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2021-Nov-03 08:25 < 00:01 Earth 0.156932180194764 0.156930006365749 0.156934354026821 15.2944754058262 15.2933652561798 2459521.850556379 0.334166070080334 113.783716178396 9.17007445839319 -17.7527742911501 807456.610767533 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2038-Nov-16 13:44 < 00:01 Earth 0.0198340821328384 0.019833414795115 0.0198347500827478 17.172232685632 17.1644079001066 2465744.071930203 0.401135037404098 188.105233668386 11.4704794175394 80.4166950105197 255047.567739602 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2055-Nov-22 16:43 00:07 Earth 0.0892456360452535 0.0891697017710478 0.0893215717143743 18.8618017207176 18.8602187954325 2471959.196387797 7.05259730647799 3827.23154983603 12.1657281357221 -8.36568152090066 155352.545417543 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2072-Dec-04 04:20 00:06 Earth 0.296284823755257 0.296213361628883 0.296356285939549 23.5261367255891 23.5257544682242 2478180.680484660 5.57244622408829 3569.51169597361 12.4657564246128 3.32752293127315 195311.537179205 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2089-Dec-13 20:47 00:04 Earth 0.479398544474168 0.47934468413189 0.479452404866696 28.078949240389 28.0787512991317 2484399.366127136 4.00511356466438 2696.92932579818 12.286223433331 5.21122512664462 500346.445989691 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2113-Aug-19 21:21 00:08 Earth 0.476686685421856 0.476671186506824 0.476702185616114 17.3865143886594 17.386192896174 2493048.389926720 7.70717815657534 1454.07510748238 15.5743675654228 -57.8972764463751 3520708.93827441 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2130-Sep-05 08:16 00:04 Earth 0.438615670393626 0.438610059932862 0.438621280984711 16.2625344339174 16.2621608871592 2499273.844099522 3.64950768933068 469.846253507764 13.8589931999284 -53.4889946675811 3431525.08041141 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2147-Sep-25 08:32 00:03 Earth 0.38749449830619 0.387486753330876 0.387502243454038 16.0198376581026 16.0194084236993 2505502.855617735 3.27628501523214 561.763831861254 12.0877660255583 -46.5816443357587 3122429.74949571 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2164-Oct-10 01:05 00:07 Earth 0.32676511296266 0.326739373511836 0.326790854651611 15.6756367660177 15.6751165799834 2511727.544993089 7.42007237045546 1861.80529154522 10.8883315359424 -46.4167954023197 2867472.14693794 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2181-Oct-11 19:50 00:11 Earth 0.320131211852172 0.320089958571488 0.320172471112452 15.6151977332521 15.6146647123224 2517938.326452557 11.2410267969342 2998.78572058692 10.7131627265208 -46.6834914761841 2869692.23952918 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
2198-Oct-15 05:27 00:14 Earth 0.303691250664649 0.303634021770215 0.30374849090559 15.5997824900286 15.5992200588826 2524150.727326952 14.0956136392972 4088.34007804343 10.4377196039462 -45.7261093369583 2762675.51814528 T 222 CATAB v2.0f-lin.ifort 2020-May-27 07:03:53 2020-May-27 07:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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