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 ]  
305052 (2007 US42)
Classification: Main-belt Asteroid          SPK-ID: 2305052
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04430162195273071 6.7171e-08  
a 2.57577310670161 2.4191e-08 au
q 2.461662180292504 1.8508e-07 au
i 8.390104972709489 6.6101e-06 deg
node 207.1117437822804 2.8335e-05 deg
peri 161.0493176088019 6.5707e-05 deg
M 54.15099888892393 5.5176e-05 deg
tp 2458773.375593737448
(2019-Oct-16.87559374)
0.00023255 TDB
period 1509.940498461292
4.13
2.1271e-05
5.824e-08
d
yr
n .2384199909644511 3.3587e-09 deg/d
Q 2.689884033110715 2.5262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      6374 days (17.45 yr)  
   first obs. used      2002-06-15  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56542  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:48:17  

Additional Information
 Earth MOID = 1.46295 au 
 Jupiter MOID = 2.49537 au 
 T_jup = 3.411 
[ 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 16.7   n/a MPO450226  

305052 (2007 US42)          Discovered 2007-Oct-16 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2007 US42 = 2003 XG27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-26 01:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin