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 ]  
305230 (2007 XP18)
Classification: Main-belt Asteroid          SPK-ID: 2305230
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0753727345260445 3.7069e-08  
a 2.577144032954506 1.6827e-08 au
q 2.382897639923247 1.0136e-07 au
i 5.366701925323556 4.2142e-06 deg
node 71.42751337644475 5.1161e-05 deg
peri 166.9110339051813 6.1556e-05 deg
M 258.9014754405052 3.5831e-05 deg
tp 2459624.874012082838
(2022-Feb-14.37401208)
0.00015103 TDB
period 1511.146132107164
4.14
1.48e-05
4.052e-08
d
yr
n .2382297729856284 2.3333e-09 deg/d
Q 2.771390425985766 1.8096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      8241 days (22.56 yr)  
   first obs. used      1998-09-25  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:47:05  

Additional Information
 Earth MOID = 1.36939 au 
 Jupiter MOID = 2.22063 au 
 T_jup = 3.416 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.52   n/a MPCxxxxx  

305230 (2007 XP18)          Discovered 2007-Dec-12 by OAM at Costitx
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2007 XP18 = 2005 GF173 = 2006 QZ122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-10 04:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin