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4935 Maslachkova (1985 PD2)
Classification: Main-belt Asteroid          SPK-ID: 2004935
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465090715858446 7.4103e-09  
a 2.195355881462796 5.919e-09 au
q 1.873716329469158 1.5302e-08 au
i 5.727620234934696 9.753e-07 deg
node 122.6164998572771 5.7452e-06 deg
peri 274.9536692014841 1.1635e-05 deg
M 265.4910695974633 9.0297e-06 deg
tp 2459512.407754828807
(2021-Oct-24.90775483)
3.0409e-05 TDB
period 1188.107740296218
3.25
4.805e-06
1.316e-08
d
yr
n .3030028235572685 1.2254e-09 deg/d
Q 2.516995433456434 6.7862e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2550  
   data-arc span      25456 days (69.69 yr)  
   first obs. used      1951-02-04  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46444  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:57:47  

Additional Information
 Earth MOID = .890389 au 
 Jupiter MOID = 2.8893 au 
 T_jup = 3.649 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.32   n/a E2021B10  
diameter diameter 5.327 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.90192 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Galad, A.; Vilagi, J.; Kornos, L.; Gajdos, S. (2009) Minor Planet Bull. 36, 116-118.]
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.358   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4935 Maslachkova (1985 PD2)          Discovered 1985-Aug-13 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 PD2 = 1969 VN1 = 1974 FH1 = 1977 DA1 = 1977 EE2 = 1979 YX7 = 1980 BA4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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