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190774 (2001 QL240)
Classification: Main-belt Asteroid          SPK-ID: 2190774
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501264136262752 4.3611e-08  
a 2.322834668263877 8.7689e-09 au
q 1.974115830070642 1.0071e-07 au
i .8450428816250414 4.8856e-06 deg
node 3.29241846465921 0.00028619 deg
peri 347.0229041205669 0.00028655 deg
M 158.5180437170796 1.4791e-05 deg
tp 2458631.120169223714
(2019-May-27.62016922)
5.2068e-05 TDB
period 1293.081432706184
3.54
7.3223e-06
2.005e-08
d
yr
n .2784047399447888 1.5765e-09 deg/d
Q 2.671553506457111 1.0085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      9690 days (26.53 yr)  
   first obs. used      1994-10-04  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:18:13  

Additional Information
 Earth MOID = .966282 au 
 Jupiter MOID = 2.74153 au 
 T_jup = 3.561 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457441.5 (2016-Feb-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511297251696066 4.376e-08  
q 1.971365093327261 1.0117e-07 au
tp 2457337.302189964917
(2015-Nov-10.80218996)
4.9555e-05 TDB
node 3.400555597717849 0.00028537 deg
peri 346.7032910916826 0.00028572 deg
i .8473122739175269 4.8886e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      9690 days (26.53 yr)  
   first obs. used      1994-10-04  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:18:13  

Additional Information
 Jupiter MOID = 2.74153 au 
 T_jup = 3.561 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.914917313899243E-15 -4.415210503014981E-15 -4.82663615622623E-13 -2.190560422880825E-15 -1.651436324733185E-13 -5.912156251598394E-16
q -4.415210503014981E-15 1.02345314884743E-14 1.187136899372741E-12 5.609253304928424E-15 4.013640750950971E-13 1.378364660044761E-15
tp -4.82663615622623E-13 1.187136899372741E-12 2.455747419449347E-9 2.863338922549151E-11 7.205521143815083E-10 -1.073527745850467E-13
node -2.190560422880825E-15 5.609253304928424E-15 2.863338922549151E-11 8.143444056810966E-8 -8.141610584250623E-8 -3.518280667427512E-10
peri -1.651436324733185E-13 4.013640750950971E-13 7.205521143815083E-10 -8.141610584250623E-8 8.163664160319696E-8 3.517555861777043E-10
i -5.912156251598394E-16 1.378364660044761E-15 -1.073527745850467E-13 -3.518280667427512E-10 3.517555861777043E-10 2.389827384302023E-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 17.38   n/a MPCxxxxx  

190774 (2001 QL240)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 2001 QL240 = 1994 TP7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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