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49481 Gisellarubini (1999 BJ12)
Classification: Main-belt Asteroid          SPK-ID: 2049481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1230279134962881 3.9467e-08  
a 3.100080318987096 1.7322e-08 au
q 2.718683905671206 1.2644e-07 au
i 1.166973313944706 4.3764e-06 deg
node 40.53015793794029 0.00020481 deg
peri 203.1448459868581 0.0002057 deg
M 267.5733173451431 2.114e-05 deg
tp 2459712.361789712726
(2022-May-12.86178971)
0.00011887 TDB
period 1993.690988398772
5.46
1.671e-05
4.575e-08
d
yr
n .1805696078754577 1.5134e-09 deg/d
Q 3.481476732302986 1.9453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1998-11-24  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55312  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:59:45  

Additional Information
 Earth MOID = 1.70419 au 
 Jupiter MOID = 1.53434 au 
 T_jup = 3.210 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456987.5 (2014-Nov-26.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262527738456548 3.92e-08  
q 2.707034867396775 1.2612e-07 au
tp 2457716.388290060806
(2016-Nov-23.88829006)
0.00010947 TDB
node 40.55899670515707 0.00020468 deg
peri 202.9211973029862 0.00020552 deg
i 1.168286226294209 4.3744e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1998-11-24  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55312  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:59:45  

Additional Information
 Jupiter MOID = 1.53434 au 
 T_jup = 3.210 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.536678023026526E-15 -4.910356545819291E-15 -1.553091753434081E-12 -9.397907926025182E-15 -2.080408191617393E-13 -7.024128888823234E-17
q -4.910356545819291E-15 1.590640148398537E-14 5.376065293780459E-12 3.297103766292808E-14 7.189296118299888E-13 2.550842526673628E-16
tp -1.553091753434081E-12 5.376065293780459E-12 1.198397238982903E-8 2.120825393719233E-11 2.052611788135055E-9 8.567617233991227E-13
node -9.397907926025182E-15 3.297103766292808E-14 2.120825393719233E-11 4.18922784205951E-8 -4.187985390474013E-8 -2.116424338942734E-10
peri -2.080408191617393E-13 7.189296118299888E-13 2.052611788135055E-9 -4.187985390474013E-8 4.223866454929703E-8 2.117398771032134E-10
i -7.024128888823234E-17 2.550842526673628E-16 8.567617233991227E-13 -2.116424338942734E-10 2.117398771032134E-10 1.913504706231144E-11

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 14.35   n/a MPCxxxxx  
diameter diameter 6.997 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49481 Gisellarubini           Discovered 1999 Jan. 24 by M. M. M. Santangelo at the Monte Agliale Astronomical Observatory.
Gisella Rubini (b. 1959) lives in Lucca, Italy. She is the girlfriend of the discoverer, and sometimes she helps him at the telescope in the nearby Monte Agliale astronomical observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02

[ 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-Feb-26 09:48 00:03 Jupiter 1.70531334077367 1.70531183640159 1.70531484515079 2.30844901252892 2.08219706405311 2416536.908205156 2.99912931706506 190.333683114324 5.04387811843755 -87.3505341032574 2310721.41419504 T 32 CATAB v2.0g-lin.ifort 2021-May-04 05:59:49 2021-May-04 05:59
1955-Jan-12 07:52 00:02 Jupiter 1.95927945282841 1.9592783696014 1.9592805360552 2.82760108952738 2.67033731528037 2435119.827814599 1.57321330847953 54.2147249341453 28.5662623791839 -62.4086661458802 1645977.45384448 T 32 CATAB v2.0g-lin.ifort 2021-May-04 05:59:49 2021-May-04 05:59
1964-Nov-28 16:20 00:01 Jupiter 1.53822234226024 1.53822194598012 1.53822273853993 1.4915772880532 1.05995392083149 2438728.180411131 1.34677331066714 128.817074868014 93.0306001790288 24.0839670450651 1997115.32803682 T 32 CATAB v2.0g-lin.ifort 2021-May-04 05:59:49 2021-May-04 05:59
1974-Oct-09 14:58 < 00:01 Jupiter 1.87825813326549 1.87825742559924 1.87825884093185 3.09928244981215 2.95019122624875 2442330.123928733 0.993666798012752 57.3888043969936 16.7603504196096 -72.9952604662024 2459535.25489516 T 32 CATAB v2.0g-lin.ifort 2021-May-04 05:59:49 2021-May-04 05:59
2025-Aug-29 16:39 < 00:01 Jupiter 1.77996621202462 1.77996581566888 1.77996660838027 2.16828137853841 1.93641818420769 2460917.193657662 0.349531276554738 49.2024060463291 5.81115021242488 -87.7361960285093 2804417.95778987 T 32 CATAB v2.0g-lin.ifort 2021-May-04 05:59:49 2021-May-04 05:59
2035-Jul-09 14:28 < 00:01 Jupiter 1.56928397432959 1.5692835254487 1.56928442321031 1.68439464840408 1.32577654140259 2464518.102656914 0.644093237344779 88.2448914922066 53.6690927262656 69.5598168452487 2080868.81413039 T 32 CATAB v2.0g-lin.ifort 2021-May-04 05:59:49 2021-May-04 05:59
2096-Apr-09 06:47 00:02 Jupiter 1.63175419278106 1.63175329993856 1.63175508562207 1.69415404900668 1.35350795774072 2486707.782574375 2.2579794205008 65.3690127069426 61.3231160428658 -5.45373181814829 1273350.7391378 T 32 CATAB v2.0g-lin.ifort 2021-May-04 05:59:49 2021-May-04 05:59
2106-Feb-14 08:00 00:03 Jupiter 1.68595259034815 1.68595143405763 1.68595374664223 2.21218895266287 1.97204970668398 2490304.833327877 2.57418406940933 162.11703324888 6.42012239621872 -89.6671282340598 2318226.0043943 T 32 CATAB v2.0g-lin.ifort 2021-May-04 05:59:49 2021-May-04 05:59
2156-Dec-29 01:11 00:04 Jupiter 1.99701317565205 1.99701111468694 1.99701523661693 2.92765225307736 2.77900312309407 2508885.549072604 3.612655620716 105.195685833146 28.2375840928663 -50.4436330424514 1463080.63130825 T 32 CATAB v2.0g-lin.ifort 2021-May-04 05:59:49 2021-May-04 05:59
2166-Nov-18 22:07 00:04 Jupiter 1.55215438159218 1.55215375938121 1.55215500380218 1.49857880980903 1.07439432270396 2512497.421311950 4.14445704214809 116.749533492432 85.9532005304098 8.76870039180879 1769166.95558278 T 32 CATAB v2.0g-lin.ifort 2021-May-04 05:59:49 2021-May-04 05:59
2176-Sep-28 08:58 00:04 Jupiter 1.84612596088697 1.84612361464032 1.84612830714055 2.9647558459495 2.80573620382741 2516098.873328480 4.32518469937266 225.551206218517 15.2623276568143 -71.1358754466294 2423493.80918876 T 32 CATAB v2.0g-lin.ifort 2021-May-04 05:59:49 2021-May-04 05:59

Alternate Designations
 1999 BJ12 = 2000 HS12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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