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30605 (2204 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2030605
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219623409215507 3.2135e-08  
a 2.278456169938537 7.4706e-09 au
q 2.000570321765682 7.3518e-08 au
i 6.205775486483267 4.4992e-06 deg
node 343.833461142106 3.2636e-05 deg
peri 106.0167356805139 3.8814e-05 deg
M 169.5839151030868 1.982e-05 deg
tp 2458804.745456160554
(2019-Nov-17.24545616)
6.8617e-05 TDB
period 1256.201896581422
3.44
6.1782e-06
1.691e-08
d
yr
n .2865781376223755 1.4094e-09 deg/d
Q 2.556342018111391 8.3817e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      24357 days (66.69 yr)  
   first obs. used      1953-10-01  
   last obs. used      2020-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:49:18  

Additional Information
 Earth MOID = 1.02761 au 
 Jupiter MOID = 2.60711 au 
 T_jup = 3.590 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457006.5 (2014-Dec-15.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212161209532586 3.2148e-08  
q 2.002898477736843 7.3547e-08 au
tp 2457548.311572828820
(2016-Jun-08.81157283)
6.8671e-05 TDB
node 343.893404187157 3.2602e-05 deg
peri 106.0482050285813 3.8878e-05 deg
i 6.208825658948727 4.5005e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      24357 days (66.69 yr)  
   first obs. used      1953-10-01  
   last obs. used      2020-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:49:18  

Additional Information
 Jupiter MOID = 2.60711 au 
 T_jup = 3.590 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.033469815019675E-15 -2.354798104131219E-15 3.91698981390974E-13 -4.546909597167008E-15 1.460394758843848E-13 -1.482922601605937E-15
q -2.354798104131219E-15 5.40917259541736E-15 -8.637451162688805E-13 1.029108513770665E-14 -3.305844294394022E-13 3.448840536983654E-15
tp 3.91698981390974E-13 -8.637451162688805E-13 4.71574347832226E-9 -1.066996304608545E-11 1.461054611759613E-9 1.095729713983953E-12
node -4.546909597167008E-15 1.029108513770665E-14 -1.066996304608545E-11 1.062874611366462E-9 -1.059225532202192E-9 9.335644923148252E-12
peri 1.460394758843848E-13 -3.305844294394022E-13 1.461054611759613E-9 -1.059225532202192E-9 1.511471115361681E-9 -8.978987291855366E-12
i -1.482922601605937E-15 3.448840536983654E-15 1.095729713983953E-12 9.335644923148252E-12 -8.978987291855366E-12 2.025482438443437E-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 15.64   n/a E2021B10  
diameter diameter 2.457 km 0.488 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.202   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30605 (2204 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2204 P-L = 2000 HW58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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