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JPL Small-Body Database Browser
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108673 (2001 OT4)
Classification: Main-belt Asteroid          SPK-ID: 2108673
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2295481394916551 4.0476e-08  
a 2.562759522863009 1.2877e-08 au
q 1.974482842425283 1.0333e-07 au
i 3.203628655721243 4.856e-06 deg
node 215.7270032705694 9.066e-05 deg
peri 108.8957578960416 9.1636e-05 deg
M 207.8734160478399 1.7081e-05 deg
tp 2459633.731955775651
(2022-Feb-23.23195578)
7.4282e-05 TDB
period 1498.511950750981
4.10
1.1294e-05
3.092e-08
d
yr
n .2402383243053789 1.8107e-09 deg/d
Q 3.151036203300734 1.5833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      9632 days (26.37 yr)  
   first obs. used      1993-09-18  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:11:41  

Additional Information
 Earth MOID = .965406 au 
 Jupiter MOID = 2.20678 au 
 T_jup = 3.394 
[ 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 15.6   n/a MPO412767  

108673 (2001 OT4)          Discovered 2001-Jul-16 by LONEOS at Anderson Mesa
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
1954-Sep-08 14:00 00:18 Hygie 0.0252525690820588 0.0252468017428582 0.0252583385889621 2.47917710664174 2.47917648949369 2434994.083636211 17.7727562143501 479.826365692363 86.7318214026658 -54.7022494484516 35672.2075336141 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:11:42 2020-Feb-24 03:11
2170-Nov-29 11:25 00:37 Psych 0.0332183864245734 0.0331778411225466 0.0332589869097734 2.50825159006712 2.50825144485477 2513968.975618339 36.9767878969911 2935.66557698426 108.006093404864 46.621246159778 33384.9371828357 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:11:42 2020-Feb-24 03:11

Alternate Designations
 2001 OT4 = 1993 SK9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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