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24604 Vasilermakov (1973 SP4)
Classification: Main-belt Asteroid          SPK-ID: 2024604
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813437824809612 2.1332e-08  
a 2.488925491313196 7.6998e-09 au
q 2.037574328405176 5.1273e-08 au
i 8.81924121877687 7.8749e-07 deg
node 353.5744408727099 4.8528e-06 deg
peri 347.5250514985142 6.2919e-06 deg
M 85.17431852476247 2.9944e-06 deg
tp 2459057.169859302720
(2020-Jul-26.66985930)
1.1374e-05 TDB
period 1434.221638245407
3.93
6.6554e-06
1.822e-08
d
yr
n .2510072295662863 1.1648e-09 deg/d
Q 2.940276654221215 9.0961e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2697  
   data-arc span      24146 days (66.11 yr)  
   first obs. used      1955-02-24  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 15:19:29  

Additional Information
 Earth MOID = 1.02981 au 
 Jupiter MOID = 2.46571 au 
 T_jup = 3.435 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457616.5 (2016-Aug-16.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820497450409001 2.1327e-08  
q 2.035750793709882 5.1354e-08 au
tp 2457624.398699561044
(2016-Aug-23.89869956)
1.1357e-05 TDB
node 353.6468731492126 4.8523e-06 deg
peri 347.7669259934304 6.2767e-06 deg
i 8.820305359831226 7.8763e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2697  
   data-arc span      24146 days (66.11 yr)  
   first obs. used      1955-02-24  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 15:19:29  

Additional Information
 Jupiter MOID = 2.46571 au 
 T_jup = 3.435 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.548548448581104E-16 -1.087835597392495E-15 3.369434769277707E-14 -5.105749464264146E-15 4.016053168615046E-14 -5.395320279401968E-16
q -1.087835597392495E-15 2.637192592721762E-15 -1.053357651650701E-13 1.343995511899958E-14 -1.047649682953078E-13 1.538990646951595E-15
tp 3.369434769277707E-14 -1.053357651650701E-13 1.289765150115877E-10 -9.84844525606691E-12 4.39043654178121E-11 -1.847940970133047E-12
node -5.105749464264146E-15 1.343995511899958E-14 -9.84844525606691E-12 2.354438758634675E-11 -2.591383697856041E-11 5.014023500956283E-13
peri 4.016053168615046E-14 -1.047649682953078E-13 4.39043654178121E-11 -2.591383697856041E-11 3.93967162654665E-11 -9.362271065367097E-13
i -5.395320279401968E-16 1.538990646951595E-15 -1.847940970133047E-12 5.014023500956283E-13 -9.362271065367097E-13 6.203562224088493E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.69   n/a MPO636427  
diameter diameter 4.607 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.2463 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.276   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24604 Vasilermakov           Discovered 1973 Sept. 27 by L. I. Chernykh at Nauchnyj.
Ermakov Vasilij Timofeevich (1927-2007) was a priest, a historian of Christianity and a social activist. He was the author of books on the history of the Orthodox Church and articles on current moral issues.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-02-22Last Updated: 2016-02-25

Alternate Designations
 1973 SP4 = 1973 UD4 = 1999 DM4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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