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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 162 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5677872224924506 2.2603e-08  
a 2.356450031074666 7.2708e-09 au
q 1.018487812988532 5.2691e-08 au
i 6.245126920939881 4.5119e-06 deg
node 226.598385690195 3.3542e-05 deg
peri 181.2451958853179 3.332e-05 deg
M 186.6538676559406 4.2507e-06 deg
tp 2459836.705522594183
(2022-Sep-14.20552259)
1.8432e-05 TDB
period 1321.252369676853
3.62
6.115e-06
1.674e-08
d
yr
n .272468763925886 1.261e-09 deg/d
Q 3.6944122491608 1.1399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      7206 days (19.73 yr)  
   first obs. used      2000-07-30  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4158  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:26:45  

Additional Information
 Earth MOID = .0276845 au 
 Jupiter MOID = 1.71627 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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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