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JPL Small-Body Database Browser
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136551 (6864 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2136551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055616511154663 6.0239e-08  
a 2.33114265112948 9.8041e-09 au
q 2.085063383890566 1.4155e-07 au
i 3.194582866864117 5.7316e-06 deg
node 145.9576657553633 9.9091e-05 deg
peri 237.6054319373079 0.00010138 deg
M 143.851287188811 2.0638e-05 deg
tp 2458081.027030696777
(2017-Nov-23.52703070)
7.3939e-05 TDB
period 1300.024995283505
3.56
8.2013e-06
2.245e-08
d
yr
n .2769177525863588 1.747e-09 deg/d
Q 2.577221918368393 1.0839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      21379 days (58.53 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57971  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:46:08  

Additional Information
 Earth MOID = 1.08939 au 
 Jupiter MOID = 2.84081 au 
 T_jup = 3.561 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456888.5 (2014-Aug-19.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1043069762177513 6.0054e-08  
q 2.088307455252034 1.4093e-07 au
tp 2456780.060535546067
(2014-May-02.56053555)
7.4422e-05 TDB
node 145.9684923066634 9.9114e-05 deg
peri 237.5605360971948 0.00010147 deg
i 3.193333093178129 5.7282e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      21379 days (58.53 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57971  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:46:08  

Additional Information
 Jupiter MOID = 2.84081 au 
 T_jup = 3.561 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.606520495305172E-15 -8.446865949360867E-15 -1.317506731820986E-12 3.482234902543342E-14 -4.143562261667962E-13 -2.581076117962789E-15
q -8.446865949360867E-15 1.985988111723471E-14 3.097498414463711E-12 -8.147014765241761E-14 9.753582336821854E-13 6.18522454309807E-15
tp -1.317506731820986E-12 3.097498414463711E-12 5.53856296171322E-9 -2.216792551416322E-11 1.651175669416017E-9 1.419046221442391E-12
node 3.482234902543342E-14 -8.147014765241761E-14 -2.216792551416322E-11 9.823534127689904E-9 -9.814305908061635E-9 2.907231472603043E-10
peri -4.143562261667962E-13 9.753582336821854E-13 1.651175669416017E-9 -9.814305908061635E-9 1.0296398205793E-8 -2.898632409239034E-10
i -2.581076117962789E-15 6.18522454309807E-15 1.419046221442391E-12 2.907231472603043E-10 -2.898632409239034E-10 3.281251700093798E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO436672  

136551 (6864 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 6864 P-L = 1992 SH9 = 2003 WW156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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