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390972 (2005 QG136)
Classification: Main-belt Asteroid          SPK-ID: 2390972
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1046814854059574 9.108e-08  
a 3.086965312648589 5.2211e-08 au
q 2.763817198323869 2.8752e-07 au
i 4.326311333055149 1.156e-05 deg
node 338.2073770285096 0.00011056 deg
peri 228.9900105421561 0.00012078 deg
M 29.33646645564088 4.5005e-05 deg
tp 2458839.063641499597
(2019-Dec-21.56364150)
0.00024831 TDB
period 1981.052801571141
5.42
5.026e-05
1.376e-07
d
yr
n .1817215572015495 4.6103e-09 deg/d
Q 3.410113426973309 5.7677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      6138 days (16.80 yr)  
   first obs. used      2003-04-09  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:36:29  

Additional Information
 Earth MOID = 1.762 au 
 Jupiter MOID = 1.5777 au 
 T_jup = 3.213 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457370.5 (2015-Dec-14.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1044655559274968 9.1254e-08  
q 2.765252435352836 2.8831e-07 au
tp 2456853.243944346297
(2014-Jul-14.74394435)
0.00026078 TDB
node 338.2458737755415 0.00011052 deg
peri 228.2307658171499 0.00012073 deg
i 4.326713960697806 1.1561e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      6138 days (16.80 yr)  
   first obs. used      2003-04-09  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:36:29  

Additional Information
 Jupiter MOID = 1.5777 au 
 T_jup = 3.213 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.32728817292453E-15 -2.595697575877151E-14 -6.066204901265177E-12 2.13440938017549E-15 -1.070444175342793E-12 1.90387786040037E-15
q -2.595697575877151E-14 8.312413310700213E-14 1.455026995861044E-11 3.092218979096841E-14 2.561197355096907E-12 -1.651056461736748E-15
tp -6.066204901265177E-12 1.455026995861044E-11 6.800636472290685E-8 -5.995066487919909E-11 1.274985418226468E-8 -6.900195753077112E-12
node 2.13440938017549E-15 3.092218979096841E-14 -5.995066487919909E-11 1.221546518910617E-8 -1.218685166330956E-8 2.206304071392258E-10
peri -1.070444175342793E-12 2.561197355096907E-12 1.274985418226468E-8 -1.218685166330956E-8 1.457522991942791E-8 -2.209704994023637E-10
i 1.90387786040037E-15 -1.651056461736748E-15 -6.900195753077112E-12 2.206304071392258E-10 -2.209704994023637E-10 1.336548408162961E-10

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 16.2   n/a MPO434442  

390972 (2005 QG136)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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