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101849 (1999 JJ91)
Classification: Main-belt Asteroid          SPK-ID: 2101849
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793736590021491 4.1628e-08  
a 3.076168403255963 2.3211e-08 au
q 2.524384821057142 1.3095e-07 au
i 14.40072417316449 5.3185e-06 deg
node 132.0277259252198 2.1667e-05 deg
peri 121.1294510198077 2.7886e-05 deg
M 304.8248434635198 1.8011e-05 deg
tp 2459302.533183736538
(2021-Mar-29.03318374)
0.00010006 TDB
period 1970.66855756473
5.40
2.2304e-05
6.107e-08
d
yr
n .1826791210617746 2.0676e-09 deg/d
Q 3.627951985454783 2.7374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      7731 days (21.17 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:12  

Additional Information
 Earth MOID = 1.54415 au 
 Jupiter MOID = 1.68738 au 
 T_jup = 3.157 
[ 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 14.6   n/a MPO385429  
diameter diameter 4.308 km 0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.151   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101849 (1999 JJ91)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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-Jun-21 19:24 00:04 Jupiter 1.80508410794011 1.80508261945617 1.80508559643759 2.8709805704396 2.70259950108033 2416653.308503706 4.26491691542019 319.494110567291 28.8293599946689 87.3151087546715 1008648.2882187 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:13 2020-Nov-12 19:58
1954-May-01 05:52 00:02 Jupiter 1.71362572232389 1.71362479149915 1.71362665315545 2.84551207062646 2.66615179852837 2434863.744551447 2.24686731481632 265.914257565224 29.0521856931535 -88.0515297920731 1432421.32401695 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:13 2020-Nov-12 19:58
1963-Jul-14 04:57 00:02 Jupiter 1.86533042640224 1.86532940922288 1.86533144358393 3.4267124315776 3.29153214392325 2438224.706215785 1.90588677303933 162.198893646277 27.7498183623931 -83.7100185666017 1392820.47926401 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:13 2020-Nov-12 19:58
2013-May-28 15:46 < 00:01 Jupiter 1.6773982265822 1.67739754036495 1.67739891279925 2.55486635618901 2.3489184566809 2456441.157026426 0.384130901423932 103.019721948014 34.1741174181265 -82.854698940548 1603651.35849088 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:13 2020-Nov-12 19:58
2022-Aug-14 13:24 < 00:01 Jupiter 1.92978637940123 1.92978573725498 1.92978702154748 3.9332229425459 3.82000026347286 2459806.058320896 0.424678578923612 58.1784450516921 27.9253230240333 -87.0224808103368 1970023.08519961 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:13 2020-Nov-12 19:58
2072-Jun-29 02:56 00:02 Jupiter 1.66105952105384 1.66105880447999 1.6610602376275 2.27668701011147 2.04045230948119 2478022.622279697 2.26102041356542 187.024897156933 71.110426988125 74.6206038752071 934092.552639705 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:13 2020-Nov-12 19:58
2081-Sep-23 23:07 00:02 Jupiter 1.99457452347366 1.99457332015051 1.99457572680224 4.39256665676011 4.29480096369236 2481396.463285453 2.3243671068035 206.209424004687 28.6364264509583 -78.2558523976208 2170108.35028894 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:13 2020-Nov-12 19:58
2131-Aug-02 13:36 00:05 Jupiter 1.66241356515105 1.66241266335628 1.66241446694951 1.99211171641338 1.71740550116242 2499605.066664090 4.86776884199322 333.201572813029 138.891996251568 28.9600584547224 470522.14476524 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:13 2020-Nov-12 19:58
2190-Aug-30 05:10 00:08 Jupiter 1.6801543873567 1.68015266571726 1.68015610903339 1.67195834618288 1.33685348131251 2521182.715014639 8.06189142745598 1105.87272228586 145.059320626713 -17.4778666965399 431395.052168493 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:13 2020-Nov-12 19:58

Alternate Designations
 1999 JJ91 = 2004 EG15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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