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 ]  
193305 (2000 SS281)
Classification: Main-belt Asteroid          SPK-ID: 2193305
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07004234236334383 4.5362e-08  
a 2.451689434566223 2.1292e-08 au
q 2.279967363821742 1.1455e-07 au
i 5.301628019063425 5.5891e-06 deg
node 255.7462601054595 7.1563e-05 deg
peri 210.5479942107636 9.6759e-05 deg
M 202.1710035796863 6.8526e-05 deg
tp 2459215.225040636482
(2020-Dec-31.72504064)
0.00027219 TDB
period 1402.156889091456
3.84
1.8266e-05
5.001e-08
d
yr
n .2567473032445508 3.3446e-09 deg/d
Q 2.623411505310703 2.2783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      6975 days (19.10 yr)  
   first obs. used      2000-09-23  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61199  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 21:46:24  

Additional Information
 Earth MOID = 1.29878 au 
 Jupiter MOID = 2.47614 au 
 T_jup = 3.486 
[ 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 16.1   n/a MPO348492  

193305 (2000 SS281)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ 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
1931-Aug-31 03:04 00:02 Thisb 0.0219137495164037 0.0218951333477762 0.0219323680861844 4.02727208957572 4.02727201231708 2426584.628075141 2.42824623552456 996.247718206298 68.1942796797086 21.3970895978749 17792.4427826535 T 14 CATAB v2.0f-lin.ifort 2019-Nov-07 21:46:27 2019-Nov-07 21:46
1965-Mar-18 06:21 00:02 Iris 0.0407671984893946 0.0407561423268884 0.0407782550049548 3.62107388301598 3.62107384407339 2438837.764370233 1.70579293254608 583.455025560265 101.125553862145 19.532983164823 22426.1075525675 T 14 CATAB v2.0f-lin.ifort 2019-Nov-07 21:46:27 2019-Nov-07 21:46
2057-May-23 16:26 00:01 Iris 0.0438881935638801 0.043877638795543 0.0438987485019487 4.1417912378157 4.14179120619022 2472507.184441462 1.02092164804228 544.100074027303 101.606466255395 -15.0478654395348 20415.4742902705 T 14 CATAB v2.0f-lin.ifort 2019-Nov-07 21:46:27 2019-Nov-07 21:46
2136-Jul-28 12:06 00:04 Iris 0.0259203983904415 0.0258867456325865 0.0259540516698209 3.68038206279499 3.6803820025337 2501427.003959184 4.26146009165948 1686.8270609002 92.6872586589612 6.21206875078973 5066.92457963435 T 14 CATAB v2.0f-lin.ifort 2019-Nov-07 21:46:27 2019-Nov-07 21:46
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin