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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468353545655296 2.7998e-08  
a 2.194564364980656 6.7655e-09 au
q 1.872324728331845 6.0871e-08 au
i 5.727312702808733 4.3767e-06 deg
node 122.6191104228921 3.1887e-05 deg
peri 275.0595403308972 3.589e-05 deg
M 204.7732786097494 1.7926e-05 deg
tp 2459512.517606529788
(2021-Oct-25.01760653)
6.0037e-05 TDB
period 1187.465255336512
3.25
5.4912e-06
1.503e-08
d
yr
n .3031667649913519 1.4019e-09 deg/d
Q 2.516804001629467 7.759e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2160  
   data-arc span      25285 days (69.23 yr)  
   first obs. used      1951-02-04  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:14:22  

Additional Information
 Earth MOID = .890088 au 
 Jupiter MOID = 2.8886 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 13.2   n/a MPO425854  
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. 2019-August); 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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