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46862 (1998 QP74)
Classification: Main-belt Asteroid          SPK-ID: 2046862
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09615261514781477 2.5514e-08  
a 2.54403662807618 1.0182e-08 au
q 2.299420853254827 6.6436e-08 au
i 12.33060192416853 4.6003e-06 deg
node 218.6519863966271 1.3529e-05 deg
peri 287.8195497400452 3.0201e-05 deg
M 68.41709750995966 2.5527e-05 deg
tp 2459114.826745440677
(2020-Sep-22.32674544)
0.00010541 TDB
period 1482.120337341038
4.06
8.8979e-06
2.436e-08
d
yr
n .2428952568357906 1.4582e-09 deg/d
Q 2.788652402897533 1.1161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1681  
   data-arc span      8348 days (22.86 yr)  
   first obs. used      1998-08-19  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47519  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:48:46  

Additional Information
 Earth MOID = 1.34351 au 
 Jupiter MOID = 2.28855 au 
 T_jup = 3.405 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457608.5 (2016-Aug-08.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09613776556410047 2.5732e-08  
q 2.299853073618296 6.7152e-08 au
tp 2457635.498299523844
(2016-Sep-03.99829952)
0.0001071 TDB
node 218.6765380958538 1.3535e-05 deg
peri 288.6260182545995 3.0099e-05 deg
i 12.32618400861008 4.5991e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1681  
   data-arc span      8348 days (22.86 yr)  
   first obs. used      1998-08-19  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47519  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:48:46  

Additional Information
 Jupiter MOID = 2.28855 au 
 T_jup = 3.405 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.621436641053033E-16 -1.711639814564456E-15 6.604131585136992E-13 2.171359484078348E-16 1.588453262250274E-13 2.034973711696919E-15
q -1.711639814564456E-15 4.509328171028892E-15 -1.976573350462887E-12 -3.444000612690703E-16 -4.781127078224413E-13 -5.469237287375427E-15
tp 6.604131585136992E-13 -1.976573350462887E-12 1.147026542580038E-8 -3.11765993811716E-11 2.884806193059066E-9 8.519626348671704E-12
node 2.171359484078348E-16 -3.444000612690703E-16 -3.11765993811716E-11 1.831971565449759E-10 -1.864633357418758E-10 7.525571368696341E-12
peri 1.588453262250274E-13 -4.781127078224413E-13 2.884806193059066E-9 -1.864633357418758E-10 9.0596051398731E-10 -5.254076141587439E-12
i 2.034973711696919E-15 -5.469237287375427E-15 8.519626348671704E-12 7.525571368696341E-12 -5.254076141587439E-12 2.115160315799977E-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 14.43   n/a MPCxxxxx  
diameter diameter 3.719 km 0.600 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46862 (1998 QP74)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QP74 = 2000 AY190 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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