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 ]  
385770 (2005 YQ191)
Classification: Main-belt Asteroid          SPK-ID: 2385770
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2683926263812383 1.0023e-06  
a 2.543169140544281 4.9411e-08 au
q 1.860601295581885 2.5722e-06 au
i 8.415592410526607 8.8447e-06 deg
node 108.5419009353346 5.2233e-05 deg
peri 269.22186473 0.00014855 deg
M 320.6795967959214 0.00022354 deg
tp 2459362.299343946586
(2021-May-27.79934395)
0.00091707 TDB
period 1481.362322722292
4.06
4.3172e-05
1.182e-07
d
yr
n .2430195465876503 7.0825e-09 deg/d
Q 3.225736985506678 6.2673e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      6343 days (17.37 yr)  
   first obs. used      2002-01-14  
   last obs. used      2019-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:34  

Additional Information
 Earth MOID = .883984 au 
 Jupiter MOID = 2.29706 au 
 T_jup = 3.378 
[ 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 16.8   n/a MPO476808  
rotation period rot_per 8.50 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.]

385770 (2005 YQ191)          Discovered 2005-Dec-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2005 YQ191 = 2010 BJ 
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-19 04:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin