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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054703761058165 4.3108e-08  
a 2.395019614992559 8.5134e-09 au
q 1.90291403391923 1.0668e-07 au
i 6.113443214434559 4.5696e-06 deg
node 332.0921602229288 3.8431e-05 deg
peri 31.73521543207407 3.9804e-05 deg
M 40.730810719217 1.2542e-05 deg
tp 2459243.326868054493
(2021-Jan-28.82686805)
4.6737e-05 TDB
period 1353.82346991601
3.71
7.2185e-06
1.976e-08
d
yr
n .265913546337274 1.4178e-09 deg/d
Q 2.887125196065888 1.0263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1335  
   data-arc span      12171 days (33.32 yr)  
   first obs. used      1987-09-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51834  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:46  

Additional Information
 Earth MOID = .90248 au 
 Jupiter MOID = 2.58381 au 
 T_jup = 3.493 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456780.5 (2014-May-03.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2046115977289334 4.2798e-08  
q 1.905793004386917 1.0578e-07 au
tp 2456535.677421964027
(2013-Aug-31.17742196)
4.174e-05 TDB
node 332.1642292657926 3.848e-05 deg
peri 31.87171043391669 3.9882e-05 deg
i 6.109328364304354 4.5654e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1335  
   data-arc span      12171 days (33.32 yr)  
   first obs. used      1987-09-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51834  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:46  

Additional Information
 Jupiter MOID = 2.58381 au 
 T_jup = 3.493 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.831666844232345E-15 -4.519931257886181E-15 -3.82421957346956E-13 5.19296219006621E-15 -1.032077830899253E-13 -2.515580349371527E-15
q -4.519931257886181E-15 1.118905245649284E-14 9.7577508771261E-13 -1.286508263553354E-14 2.640168106833466E-13 6.323350058469854E-15
tp -3.82421957346956E-13 9.7577508771261E-13 1.742265977064804E-9 4.853884637383014E-12 4.529170254531132E-10 9.738181092207524E-13
node 5.19296219006621E-15 -1.286508263553354E-14 4.853884637383014E-12 1.480712802372253E-9 -1.470612572691291E-9 -9.822340843344749E-12
peri -1.032077830899253E-13 2.640168106833466E-13 4.529170254531132E-10 -1.470612572691291E-9 1.590610479932815E-9 1.002982665094263E-11
i -2.515580349371527E-15 6.323350058469854E-15 9.738181092207524E-13 -9.822340843344749E-12 1.002982665094263E-11 2.084300195809734E-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 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

[ show close-approach data ]
Alternate Designations
 1998 PU = 1987 SW30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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