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 ]  
49591 (1999 DO2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2049591
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054055308102593 3.5947e-08  
a 3.216466562626197 2.4497e-08 au
q 2.877433197259132 1.1693e-07 au
i 17.70339407039823 5.1912e-06 deg
node 46.23305496421508 1.3884e-05 deg
peri 84.83940800413409 2.9037e-05 deg
M 273.1275319291705 2.6419e-05 deg
tp 2459508.948122125650
(2021-Oct-21.44812213)
0.00015717 TDB
period 2107.011899512231
5.77
2.407e-05
6.59e-08
d
yr
n .1708580763513197 1.9519e-09 deg/d
Q 3.555499927993261 2.7079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1803  
   data-arc span      10332 days (28.29 yr)  
   first obs. used      1991-10-13  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47597  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:30:00  

Additional Information
 Earth MOID = 1.96123 au 
 Jupiter MOID = 1.71078 au 
 T_jup = 3.107 
[ 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 12.5   n/a MPO319675  
diameter diameter 17.646 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.09173 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.119   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49591 (1999 DO2)          Discovered 1999-Feb-19 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ 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
1903-Jun-01 15:06 00:06 Jupiter 1.97709029202335 1.97708872238968 1.97709186190439 3.36460458191553 3.23476838874095 2416267.129206389 5.82668470233235 1275.84029112082 37.3258875246712 -84.2937487736522 2551245.77142456 T 32 CATAB v2.0f-lin.ifort 2020-Feb-23 09:30:20 2020-Feb-23 09:30
2106-Dec-14 16:52 00:03 Jupiter 1.87947937073512 1.87947825187185 1.87948048962115 5.72281292463025 5.64351400988437 2490608.202618702 2.51936039630655 356.548441383459 18.5045884196685 -81.6989089550091 3385947.85676936 T 32 CATAB v2.0f-lin.ifort 2020-Feb-23 09:30:20 2020-Feb-23 09:30
2118-May-01 17:44 00:03 Jupiter 1.7917579327559 1.79175738839138 1.79175847713111 5.38802876371682 5.29956494571777 2494764.239207446 2.79055602017826 332.482613126002 18.9826715964909 -87.0778078343632 2776271.88913544 T 32 CATAB v2.0f-lin.ifort 2020-Feb-23 09:30:20 2020-Feb-23 09:30
2129-Sep-28 07:20 00:03 Jupiter 1.78162144084757 1.78162069391215 1.78162218778319 4.94205032998668 4.84489596557558 2498931.805216818 3.25443581499551 256.930139913572 40.4154975312782 89.0582095686004 2119676.95979773 T 32 CATAB v2.0f-lin.ifort 2020-Feb-23 09:30:20 2020-Feb-23 09:30
2141-Feb-25 03:52 00:04 Jupiter 1.83702847740456 1.83702696670505 1.83702998814616 4.34449727432662 4.23703795827543 2503099.660793221 4.04205905838877 588.27218761953 51.6710443134876 -83.1558771897116 2964604.55260122 T 32 CATAB v2.0f-lin.ifort 2020-Feb-23 09:30:20 2020-Feb-23 09:30
2152-Jul-10 03:13 00:05 Jupiter 1.93149773934707 1.93149565861093 1.93149982045376 3.49582600629615 3.36804640027227 2507252.633765231 5.34683065462583 1496.04376000083 43.1138927011911 -84.7161044633111 3047085.736431 T 32 CATAB v2.0f-lin.ifort 2020-Feb-23 09:30:20 2020-Feb-23 09:30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-08 22:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin