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10430 Martschmidt (4030 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2010430
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09217041672295985 3.3127e-08  
a 2.742128657351059 9.8456e-09 au
q 2.489385516295041 9.0499e-08 au
i 2.742799940841333 3.3472e-06 deg
node 292.0940824307968 7.4973e-05 deg
peri 70.2482756477504 7.7582e-05 deg
M 55.52592300348236 1.8476e-05 deg
tp 2458744.686503422204
(2019-Sep-18.18650342)
8.5207e-05 TDB
period 1658.556108328549
4.54
8.9325e-06
2.446e-08
d
yr
n .2170562685170771 1.169e-09 deg/d
Q 2.994871798407076 1.0753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2322  
   data-arc span      21952 days (60.10 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:06:27  

Additional Information
 Earth MOID = 1.48809 au 
 Jupiter MOID = 2.42599 au 
 T_jup = 3.342 
[ 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 13.5   n/a MPO502249  
diameter diameter 5.687 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.577 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.261   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10430 Martschmidt           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Maarten Schmidt (b. 1929) is a famous Dutch-American astronomer. His identification of the wavelengths of the radiation emitted by quasars led to the theory that they may be among the most distant and the oldest objects ever observed. The name was suggested by W. A. Fröger and H. Habing.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 4030 P-L = 1978 RH4 = 1996 PT2 
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