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 ]  
385705 (2005 UJ28)
Classification: Main-belt Asteroid          SPK-ID: 2385705
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607112525584261 4.9081e-08  
a 2.40266024983397 1.0711e-08 au
q 2.016525711610812 1.1744e-07 au
i 1.756986302601393 5.7369e-06 deg
node 226.1990430527838 0.00013327 deg
peri 201.9457765772035 0.00013621 deg
M 1.853112884997162 2.1937e-05 deg
tp 2459193.497770400544
(2020-Dec-09.99777040)
8.2907e-05 TDB
period 1360.30712225499
3.72
9.0965e-06
2.49e-08
d
yr
n .2646461185935906 1.7697e-09 deg/d
Q 2.788794788057129 1.2433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      7074 days (19.37 yr)  
   first obs. used      2001-09-20  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5883  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:20  

Additional Information
 Earth MOID = 1.03012 au 
 Jupiter MOID = 2.49441 au 
 T_jup = 3.506 
[ 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 17.35   n/a E2021B25  
rotation period rot_per 6.96 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

385705 (2005 UJ28)          Discovered 2005-Oct-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2005 UJ28 = 2001 SB297 = 2005 UP116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-15 05:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin