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136966 (1998 RL39)
Classification: Main-belt Asteroid          SPK-ID: 2136966
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861197174905586 5.3089e-08  
a 2.370976251930748 1.5196e-08 au
q 1.929690821744574 1.2493e-07 au
i 3.413603249912241 6.1716e-06 deg
node 133.7477143800176 0.00010366 deg
peri 235.8199028005108 0.00010565 deg
M 328.3788458377539 2.557e-05 deg
tp 2459117.629003826357
(2020-Sep-25.12900383)
9.5517e-05 TDB
period 1333.488371775905
3.65
1.282e-05
3.51e-08
d
yr
n .2699686083655619 2.5954e-09 deg/d
Q 2.812261682116923 1.8024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1998-08-30  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57851  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:10:57  

Additional Information
 Earth MOID = .931399 au 
 Jupiter MOID = 2.65165 au 
 T_jup = 3.519 
[ 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 16.3   n/a MPO287573  

136966 (1998 RL39)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ 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
2091-Mar-24 04:37 < 00:01 Hebe 0.0171839387928652 0.0171720882469658 0.0171957895170906 3.47962941450252 3.479629310534 2484864.692329709 0.913316178255128 596.868101469096 29.8025909443696 8.42102553699465 13317.1461670188 T 11 CATAB v2.0e-lin.ifort 2019-Jul-13 06:11:01 2019-Jul-13 06:11
2146-Jun-22 06:41 < 00:01 Juno 0.0363513174213519 0.0363498259271629 0.0363528140049151 4.48023242670252 4.48023235200171 2505042.778551065 0.895874273167379 907.641718211535 49.3063072290374 86.4756058182341 109996.205197624 T 11 CATAB v2.0e-lin.ifort 2019-Jul-13 06:11:01 2019-Jul-13 06:11

Alternate Designations
 1998 RL39 = 2000 DW50 = 2000 EM206 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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