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 ]  
183372 (2002 XZ21)
Classification: Main-belt Asteroid          SPK-ID: 2183372
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124149005440891 6.7101e-07  
a 2.524311870440453 1.6998e-08 au
q 1.98811041553858 1.7006e-06 au
i 3.911561173001627 7.4048e-06 deg
node 44.99179653343528 6.949e-05 deg
peri 354.2429016533391 6.9612e-05 deg
M 159.4256263893278 4.6334e-05 deg
tp 2458351.763142959428
(2018-Aug-21.26314296)
0.00019105 TDB
period 1464.916737816498
4.01
1.4797e-05
4.051e-08
d
yr
n .2457477552864817 2.4822e-09 deg/d
Q 3.060513325342324 2.0609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      10248 days (28.06 yr)  
   first obs. used      1992-04-05  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:38:16  

Additional Information
 Earth MOID = .996041 au 
 Jupiter MOID = 2.36037 au 
 T_jup = 3.419 
[ 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 15.4   n/a MPO469976  

183372 (2002 XZ21)          Discovered 2002-Dec-02 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2002 XZ21 = 1998 XF73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-27 09:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin