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

[ show orbit diagram ]
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 
[ 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 16.70   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 ]
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