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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
138524 (2000 OJ8)
Classification: Amor [NEO, PHA]          SPK-ID: 2138524
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 164 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5678426928706212 2.2405e-08  
a 2.356480674168894 7.1374e-09 au
q 1.018370342451252 5.2293e-08 au
i 6.245445040396284 4.4118e-06 deg
node 226.598884836819 3.2431e-05 deg
peri 181.234869354982 3.2202e-05 deg
M 240.0889947932274 4.4755e-06 deg
tp 2459836.599417110327
(2022-Sep-14.09941711)
1.8364e-05 TDB
period 1321.27814195631
3.62
6.0029e-06
1.644e-08
d
yr
n .2724634492681284 1.2379e-09 deg/d
Q 3.694591005886535 1.119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      894  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      7645 days (20.93 yr)  
   first obs. used      2000-07-30  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41733  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-06 05:52:24  

Additional Information
 Earth MOID = .027922 au 
 Jupiter MOID = 1.71719 au 
 T_jup = 3.309 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456712.5 (2014-Feb-24.0) TDB
Reference: JPL 164 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5653605186774251 2.2257e-08  
q 1.02591656591305 5.1901e-08 au
tp 2457191.519509854990
(2015-Jun-18.01950986)
7.5628e-06 TDB
node 226.6953621214294 3.2569e-05 deg
peri 181.1543183147568 3.2345e-05 deg
i 6.219294944151216 4.405e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      894  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      7645 days (20.93 yr)  
   first obs. used      2000-07-30  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41733  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-06 05:52:24  

Additional Information
 Jupiter MOID = 1.71719 au 
 T_jup = 3.309 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.953814910979326E-16 -1.153037525308413E-15 -3.699627507417314E-14 -1.022842976448895E-14 -1.450272987315761E-14 -1.500030435304785E-14
q -1.153037525308413E-15 2.693727341081692E-15 1.035827115763173E-13 2.979111566762446E-14 2.52648737717149E-14 3.431750695553129E-14
tp -3.699627507417314E-14 1.035827115763173E-13 5.719556492073599E-11 5.290587384505475E-11 -3.028163138526387E-11 4.636501479889616E-13
node -1.022842976448895E-14 2.979111566762446E-14 5.290587384505475E-11 1.060764985414751E-9 -1.038935374080317E-9 -6.68893012666701E-11
peri -1.450272987315761E-14 2.52648737717149E-14 -3.028163138526387E-11 -1.038935374080317E-9 1.046217545352902E-9 6.866235876414855E-11
i -1.500030435304785E-14 3.431750695553129E-14 4.636501479889616E-13 -6.68893012666701E-11 6.866235876414855E-11 1.940363503102945E-11

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 16.70   n/a MPCxxxxx  
rotation period rot_per 2.6835 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]
SMASSII spectral type spec_B Sr   n/a Binzel et al. (2004) Icarus 170, 259-294  

138524 (2000 OJ8)          Discovered 2000-Jul-30 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ 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 2021-Sep-25 10:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin