Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233879255476068 4.3098e-08  
a 3.099691069318713 1.9361e-08 au
q 2.717226618437034 1.3453e-07 au
i 1.167327018411982 5.3602e-06 deg
node 40.54892276976131 0.00021436 deg
peri 202.9870591709929 0.00021533 deg
M 159.4177159074597 2.1433e-05 deg
tp 2457717.806097541764
(2016-Nov-25.30609754)
0.00011672 TDB
period 1993.315504968263
5.46
1.8676e-05
5.113e-08
d
yr
n .1806036220070098 1.6921e-09 deg/d
Q 3.482155520200392 2.175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1222  
   data-arc span      7674 days (21.01 yr)  
   first obs. used      1998-11-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5741  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:42:53  

Additional Information
 Earth MOID = 1.70409 au 
 Jupiter MOID = 1.53475 au 
 T_jup = 3.210 
[ 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 14.3   n/a MPO365829  
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

[ show close-approach data ]
Alternate Designations
 1999 BJ12 = 2000 HS12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 16:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin