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 ]  
51822 (2001 OB25)
Classification: Main-belt Asteroid          SPK-ID: 2051822
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .059429748950938 3.6902e-08  
a 3.171339984361879 2.0312e-08 au
q 2.982868045253181 1.2304e-07 au
i 12.26599973672791 4.3216e-06 deg
node 239.5094309732403 2.1581e-05 deg
peri 223.2853052098208 4.6844e-05 deg
M 346.0154779627808 4.1608e-05 deg
tp 2459080.632327723337
(2020-Aug-19.13232772)
0.00023856 TDB
period 2062.826166216085
5.65
1.9818e-05
5.426e-08
d
yr
n .1745178560830265 1.6766e-09 deg/d
Q 3.359811923470577 2.1519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1269  
   data-arc span      10283 days (28.15 yr)  
   first obs. used      1991-12-04  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:14:23  

Additional Information
 Earth MOID = 2.01201 au 
 Jupiter MOID = 1.92291 au 
 T_jup = 3.164 
[ 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 13.5   n/a MPO452875  
diameter diameter 9.084 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.67130 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.112   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

51822 (2001 OB25)          Discovered 2001-Jul-16 by NEAT at Haleakala
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-13 19:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin