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118142 (4117 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118142
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07710919019063525 3.4908e-08  
a 2.784208452900887 1.5029e-08 au
q 2.569520393775778 1.0235e-07 au
i 4.812313993399112 3.8985e-06 deg
node 126.3716733227304 4.8048e-05 deg
peri 313.8700014316498 5.6646e-05 deg
M 10.07505331692239 2.873e-05 deg
tp 2458953.010685497078
(2020-Apr-13.51068550)
0.0001354 TDB
period 1696.879677285342
4.65
1.374e-05
3.762e-08
d
yr
n .2121541113486172 1.7178e-09 deg/d
Q 2.998896512025996 1.6188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      15720 days (43.04 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58545  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:13:46  

Additional Information
 Earth MOID = 1.58823 au 
 Jupiter MOID = 2.1652 au 
 T_jup = 3.322 
[ 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 15.5   n/a MPO453652  

118142 (4117 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. 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
1957-Aug-16 03:59 00:14 Cybel 0.00713185600891083 0.00712777305451407 0.00713594025111258 1.8442098212649 1.84420935877406 2436066.665638177 14.1540370463868 254.173039395554 32.228692454056 -37.28198894082 20279.4836252047 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 18:13:47 2020-Nov-12 18:13

Alternate Designations
 4117 T-3 = 2001 XH182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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