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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059417245890523 4.5484e-08  
a 2.396016230147062 9.1659e-09 au
q 1.902576515567216 1.1174e-07 au
i 6.111855774836683 4.8282e-06 deg
node 332.1008082426146 4.1165e-05 deg
peri 31.71214110378035 4.2529e-05 deg
M 295.4885847624077 1.3326e-05 deg
tp 2459243.254410349081
(2021-Jan-28.75441035)
5.0958e-05 TDB
period 1354.668587006039
3.71
7.7734e-06
2.128e-08
d
yr
n .2657476547792683 1.5249e-09 deg/d
Q 2.889455944726907 1.1054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      11956 days (32.73 yr)  
   first obs. used      1987-09-23  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54792  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:42:05  

Additional Information
 Earth MOID = .902958 au 
 Jupiter MOID = 2.58015 au 
 T_jup = 3.492 
[ show covariance matrix ]

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 14.6   n/a MPO337633  

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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