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46830 (1998 PU)
Classification: Main-belt Asteroid          SPK-ID: 2046830
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054703764654407 4.3003e-08  
a 2.39501961494086 8.4945e-09 au
q 1.902914033016847 1.064e-07 au
i 6.113443235192034 4.5659e-06 deg
node 332.0921602507153 3.8431e-05 deg
peri 31.73521537026248 3.9802e-05 deg
M 40.73081079278331 1.2525e-05 deg
tp 2459243.326867782797
(2021-Jan-28.82686778)
4.6674e-05 TDB
period 1353.823469872175
3.71
7.2025e-06
1.972e-08
d
yr
n .265913546345884 1.4147e-09 deg/d
Q 2.887125196864873 1.024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      12369 days (33.86 yr)  
   first obs. used      1987-09-23  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:53:27  

Additional Information
 Earth MOID = .90248 au 
 Jupiter MOID = 2.58381 au 
 T_jup = 3.493 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456788.5 (2014-May-11.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2046227562101284 4.2694e-08  
q 1.90580763035244 1.0551e-07 au
tp 2456535.690596187050
(2013-Aug-31.19059619)
4.1713e-05 TDB
node 332.1635435087815 3.8479e-05 deg
peri 31.87711186131716 3.988e-05 deg
i 6.109372664986575 4.5618e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      12369 days (33.86 yr)  
   first obs. used      1987-09-23  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:53:27  

Additional Information
 Jupiter MOID = 2.58381 au 
 T_jup = 3.493 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.822752117756995E-15 -4.497333141266129E-15 -3.781042428752874E-13 5.142749462470142E-15 -1.022779595658061E-13 -2.500591686155756E-15
q -4.497333141266129E-15 1.113176101200895E-14 9.647365339060121E-13 -1.276978143055188E-14 2.616667646794445E-13 6.282769454997251E-15
tp -3.781042428752874E-13 9.647365339060121E-13 1.739995093411382E-9 4.870256508831935E-12 4.524132845787906E-10 9.675996708940288E-13
node 5.142749462470142E-15 -1.276978143055188E-14 4.870256508831935E-12 1.480596435180306E-9 -1.470495114705222E-9 -9.862294715287758E-12
peri -1.022779595658061E-13 2.616667646794445E-13 4.524132845787906E-10 -1.470495114705222E-9 1.590384223805826E-9 1.006823876942446E-11
i -2.500591686155756E-15 6.282769454997251E-15 9.675996708940288E-13 -9.862294715287758E-12 1.006823876942446E-11 2.080976207769175E-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 14.64   n/a E2021B10  

46830 (1998 PU)          Discovered 1998-Aug-15 by Comba, P. G. at Prescott
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 PU = 1987 SW30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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