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JPL Small-Body Database Browser
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108749 (2001 OK42)
Classification: Main-belt Asteroid          SPK-ID: 2108749
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1656977724935956 3.2813e-08  
a 2.524546461368776 1.1889e-08 au
q 2.106234736163381 8.1213e-08 au
i 3.866113552498413 9.2846e-06 deg
node 223.9143831566645 0.00014781 deg
peri 217.6181717002596 0.00015806 deg
M 178.0905159894768 5.7501e-05 deg
tp 2458275.710705435327
(2018-Jun-06.21070544)
0.00023331 TDB
period 1465.120950397495
4.01
1.035e-05
2.834e-08
d
yr
n .2457135022895756 1.7357e-09 deg/d
Q 2.942858186574171 1.3859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      17544 days (48.03 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:13:08  

Additional Information
 Earth MOID = 1.12354 au 
 Jupiter MOID = 2.29926 au 
 T_jup = 3.432 
[ 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 15.4   n/a MPO280500  

108749 (2001 OK42)          Discovered 2001-Jul-22 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2014-Oct-22 15:36 00:02 Iris 0.0496514794102842 0.0496480977886377 0.0496548610412804 2.34527268199849 2.34527263263027 2456953.149751521 1.51945616065663 173.103327195714 92.8173357102983 16.0485552097463 46722.9488267928 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 03:13:22 2020-Feb-24 03:13

Alternate Designations
 2001 OK42 = 1999 FG58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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