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 ]  
71045 (1999 XY84)
Classification: Main-belt Asteroid          SPK-ID: 2071045
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2098839887045592 4.845e-08  
a 2.763570148485832 1.2536e-08 au
q 2.183541022656774 1.3279e-07 au
i 1.394438989656531 5.2488e-06 deg
node 221.7815495109449 0.0001729 deg
peri 180.0889493003661 0.00017329 deg
M 200.1339054239895 1.021e-05 deg
tp 2459745.674579157067
(2022-Jun-15.17457916)
4.9272e-05 TDB
period 1678.047175719271
4.59
1.1418e-05
3.126e-08
d
yr
n .2145350888872901 1.4597e-09 deg/d
Q 3.343599274314889 1.5167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      12547 days (34.35 yr)  
   first obs. used      1985-12-17  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53381  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:42:49  

Additional Information
 Earth MOID = 1.19207 au 
 Jupiter MOID = 2.06928 au 
 T_jup = 3.308 
[ 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 15.1   n/a MPO436279  

71045 (1999 XY84)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XY84 = 1985 YL1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-18 21:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin