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190746 (2001 QD15)
Classification: Main-belt Asteroid          SPK-ID: 2190746
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261614925096377 4.445e-08  
a 2.239866979067118 1.0477e-08 au
q 1.957282017964957 9.8382e-08 au
i 6.59621497665416 5.0247e-06 deg
node 347.810662603523 3.9856e-05 deg
peri 326.8122863741806 4.4594e-05 deg
M 285.7006873723813 2.2302e-05 deg
tp 2459453.205132693498
(2021-Aug-26.70513269)
7.6865e-05 TDB
period 1224.423814330715
3.35
8.5909e-06
2.352e-08
d
yr
n .2940158430328966 2.0629e-09 deg/d
Q 2.522451940169279 1.1799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      10445 days (28.60 yr)  
   first obs. used      1991-09-08  
   last obs. used      2020-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:57  

Additional Information
 Earth MOID = .945783 au 
 Jupiter MOID = 2.74354 au 
 T_jup = 3.616 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457160.5 (2015-May-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1266340907851298 4.4526e-08  
q 1.956432330907873 9.8619e-08 au
tp 2457002.923908823929
(2014-Dec-11.42390882)
6.7946e-05 TDB
node 347.8478047035273 3.9823e-05 deg
peri 326.5693331950732 4.4518e-05 deg
i 6.599797403199724 5.0264e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      10445 days (28.60 yr)  
   first obs. used      1991-09-08  
   last obs. used      2020-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:57  

Additional Information
 Jupiter MOID = 2.74354 au 
 T_jup = 3.616 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.982536538384243E-15 -4.372639166294482E-15 5.227247591648582E-13 5.914790179178236E-16 1.282137694383227E-13 -1.714159790095795E-15
q -4.372639166294482E-15 9.725729317556953E-15 -9.21518529782762E-13 -2.279378021818435E-16 -2.174565157744128E-13 4.158721472702954E-15
tp 5.227247591648582E-13 -9.21518529782762E-13 4.616616864933022E-9 1.240133708710458E-11 1.369117052790169E-9 1.22321198006381E-13
node 5.914790179178236E-16 -2.279378021818435E-16 1.240133708710458E-11 1.585852552984996E-9 -1.57080313098373E-9 -1.158483145967198E-11
peri 1.282137694383227E-13 -2.174565157744128E-13 1.369117052790169E-9 -1.57080313098373E-9 1.981808621995691E-9 1.152325964408353E-11
i -1.714159790095795E-15 4.158721472702954E-15 1.22321198006381E-13 -1.158483145967198E-11 1.152325964408353E-11 2.526421501731179E-11

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 16.41   n/a E2021B55  

190746 (2001 QD15)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 QD15 = 2000 EQ159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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