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120862 (1998 QL75)
Classification: Main-belt Asteroid          SPK-ID: 2120862
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223201437173697 4.2641e-08  
a 2.986465702326604 2.0247e-08 au
q 2.621160788411019 1.2285e-07 au
i 8.890229552098921 4.381e-06 deg
node 274.2713756596501 2.907e-05 deg
peri 79.85936517998232 3.4409e-05 deg
M 73.77762519776833 1.8009e-05 deg
tp 2458614.171368977088
(2019-May-10.67136898)
9.4057e-05 TDB
period 1885.10143550209
5.16
1.917e-05
5.248e-08
d
yr
n .1909711558328506 1.942e-09 deg/d
Q 3.35177061624219 2.2723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      8092 days (22.15 yr)  
   first obs. used      1998-08-19  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50808  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:12  

Additional Information
 Earth MOID = 1.6344 au 
 Jupiter MOID = 2.12 au 
 T_jup = 3.228 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457186.5 (2015-Jun-13.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237287280216494 4.3336e-08  
q 2.615253535435976 1.2509e-07 au
tp 2456718.238178262800
(2014-Mar-01.73817826)
9.2235e-05 TDB
node 274.6845820177408 2.9103e-05 deg
peri 77.564998312724 3.4176e-05 deg
i 8.886381649951112 4.3802e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      8092 days (22.15 yr)  
   first obs. used      1998-08-19  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50808  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:12  

Additional Information
 Jupiter MOID = 2.12 au 
 T_jup = 3.228 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.877997856601417E-15 -5.37222736463597E-15 -1.865443436798006E-13 -1.499006924029448E-14 -5.425873309945026E-14 -1.170767751905985E-15
q -5.37222736463597E-15 1.564635034774981E-14 3.750452341817785E-13 4.210070298635354E-14 1.407458052966866E-13 4.464939675664072E-15
tp -1.865443436798006E-13 3.750452341817785E-13 8.507215380751089E-9 -8.496492477867089E-12 1.677792029718866E-9 -3.668317382320127E-13
node -1.499006924029448E-14 4.210070298635354E-14 -8.496492477867089E-12 8.469640275582929E-10 -8.378871480549782E-10 2.140520544127657E-12
peri -5.425873309945026E-14 1.407458052966866E-13 1.677792029718866E-9 -8.378871480549782E-10 1.167995220039153E-9 -2.259490654013675E-12
i -1.170767751905985E-15 4.464939675664072E-15 -3.668317382320127E-13 2.140520544127657E-12 -2.259490654013675E-12 1.918619964832102E-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 14.6   n/a MPO453679  
diameter diameter 3.596 km 0.441 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.237   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120862 (1998 QL75)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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