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3761 Romanskaya (1936 OH)
Classification: Main-belt Asteroid          SPK-ID: 2003761
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2818467913821456 1.6864e-08  
a 3.123558767773996 1.2251e-08 au
q 2.243193751383326 5.1894e-08 au
i 16.2046072444991 4.5464e-07 deg
node 207.2814746893446 1.4619e-06 deg
peri 83.61539208359515 3.1643e-06 deg
M 93.19065413479393 4.3092e-06 deg
tp 2458678.533286572015
(2019-Jul-14.03328657)
2.1835e-05 TDB
period 2016.382635991357
5.52
1.1863e-05
3.248e-08
d
yr
n .1785375422175293 1.0504e-09 deg/d
Q 4.003923784164665 1.5704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2765  
   data-arc span      30909 days (84.62 yr)  
   first obs. used      1936-07-25  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4087  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:30:53  

Additional Information
 Earth MOID = 1.2956 au 
 Jupiter MOID = 1.59585 au 
 T_jup = 3.094 
[ 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 11.49   n/a E2021B10  
diameter diameter 32.882 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.587 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:
[Clark, M. (2020) Minor Planet Bull. 47, 163-165.]
geometric albedo albedo 0.059   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3761 Romanskaya (1936 OH)          Discovered 1936-Jul-25 by Neujmin, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1936 OH = 1941 KC = 1953 TF = 1957 EK = 1970 WJ = 1980 JG = 1981 TE3 = 1981 WF7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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