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
JPL Small-Body Database Browser
Search: [ help ]  
'Oumuamua (A/2017 U1)
Classification: Hyperbolic Asteroid          SPK-ID: 3788040
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458057.5 (2017-Oct-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.1994907679102 0.00018762  
a -1.279934998237063 0.00085382 au
q .2553352156734523 6.9825e-05 au
i 122.6864296097109 0.0065622 deg
node 24.59924632942247 0.00029721 deg
peri 241.7015187109427 0.012748 deg
M 35.05991630604581 0.034048 deg
tp 2458005.990341233984
(2017-Sep-09.49034123)		 0.0015195 JED
period n/a
n/a		 n/a
n/a		 d
yr
n .6806474192598794 0.00068107 deg/d
Q n/a n/a au
   Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      34 days  
   first obs. used      2017-10-14  
   last obs. used      2017-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   fit RMS      .38506  
   data source      ORB  
   producer      Davide Farnocchia  
   solution date      2017-Nov-21 20:25:17  

Additional Information
 Earth MOID = .0958475 au 
 Jupiter MOID = 1.45506 au 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.08 mag .44525 2 autocmod 2.6k

[ 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
2017-Oct-14 17:51 < 00:01 Earth 0.161627669699591 0.161583196107595 0.161672144261672 60.2147418305499 60.2144680549092 2458041.243441278 0.0316846745542972 2258.80080762047 39.3477931362149 0.500461966839272 11702.1963130351 T 13 CATAB v2.0c-ifort 2017-Nov-13 12:12:01 2017-Nov-13 12:12
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2017-Nov-22 23:32 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin