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 ]  
54660 (2000 UJ1)
Classification: Amor [NEO]          SPK-ID: 2054660
[ 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 88 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2806390341484555 4.5776e-08  
a 1.47676312374967 2.1158e-09 au
q 1.062325747034507 6.7103e-08 au
i 46.68662694947675 1.2274e-05 deg
node 223.7169224861508 4.4545e-06 deg
peri 158.0040559660008 1.0148e-05 deg
M 328.5994322891085 8.0304e-06 deg
tp 2459057.674145784213
(2020-Jul-27.17414578)		 1.4694e-05 TDB
period 655.4879093850744
1.79		 1.4087e-06
3.857e-09		 d
yr
n .5492092147629738 1.1803e-09 deg/d
Q 1.891200500464834 2.7095e-09 au
   Orbit Determination Parameters
   # obs. used (total)      384  
   # delay obs. used      0  
   # Doppler obs. used      3  
   data-arc span      6605 days (18.08 yr)  
   first obs. used      2000-10-19  
   last obs. used      2018-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45484  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-17 07:14:26  

Additional Information
 Earth MOID = .0881111 au 
 Jupiter MOID = 3.57768 au 
 T_jup = 4.225 
[ 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 17.8   n/a MPO452913  
rotation period rot_per 5.43 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Bevins, E.; McLelland, K. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]

54660 (2000 UJ1)          Discovered 2000-Oct-19 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-02 01:47 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin