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 ]  
19729 (1999 XZ15)
Classification: Main-belt Asteroid          SPK-ID: 2019729
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2039637149900691 3.2171e-08  
a 2.422978456463528 8.495e-09 au
q 1.928778769142324 7.6261e-08 au
i 2.456565517484165 3.5326e-06 deg
node 260.559542835539 9.6875e-05 deg
peri 181.2837588420532 9.7529e-05 deg
M 178.3802751599692 1.1317e-05 deg
tp 2458317.898741490506
(2018-Jul-18.39874149)
4.1742e-05 TDB
period 1377.598800332854
3.77
7.2448e-06
1.984e-08
d
yr
n .2613242693830869 1.3743e-09 deg/d
Q 2.917178143784733 1.0228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1475  
   data-arc span      23397 days (64.06 yr)  
   first obs. used      1955-04-18  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:46:01  

Additional Information
 Earth MOID = .944675 au 
 Jupiter MOID = 2.32393 au 
 T_jup = 3.482 
[ 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 14.9   n/a MPO467931  

19729 (1999 XZ15)          Discovered 1999-Dec-06 by Korlevic, K. at Visnjan
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XZ15 = 1991 UP 
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-04 22:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin