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100034 (1991 PN1)
Classification: Main-belt Asteroid          SPK-ID: 2100034
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2621293122789253 4.7904e-08  
a 2.356157423704992 7.6882e-09 au
q 1.738539498608318 1.15e-07 au
i 4.401758087616977 4.8526e-06 deg
node 314.4757566899068 5.3626e-05 deg
peri 34.37624613953374 5.406e-05 deg
M 329.3827368541002 6.7944e-06 deg
tp 2459112.848880391614
(2020-Sep-20.34888039)
2.5072e-05 TDB
period 1321.006281595004
3.62
6.4658e-06
1.77e-08
d
yr
n .2725195216826148 1.3339e-09 deg/d
Q 2.973775348801666 9.7036e-09 au
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      10594 days (29.00 yr)  
   first obs. used      1991-08-02  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:01:48  

Additional Information
 Earth MOID = .734096 au 
 Jupiter MOID = 2.46419 au 
 T_jup = 3.503 
[ 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 15.9   n/a MPO280438  
diameter diameter 3.976 km 0.866 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.029   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

100034 (1991 PN1)          Discovered 1991-Aug-02 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1991 PN1 = 2000 AY224 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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