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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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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 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1966-Sep-08 10:17 00:02 Jupiter 1.83364346312193 1.83364271281243 1.83364421343643 1.98377326527358 1.73536396572836 2439376.928508679 1.74585130762378 235.743089344371 25.8742004803741 32.5003040239105 2327101.09808832 T 45 CATAB v2.0f-lin.ifort 2021-Apr-12 15:33:20 2021-Apr-12 15:33
1976-Dec-09 01:02 < 00:01 Jupiter 1.62090200594311 1.62090174644034 1.62090226544846 4.34185927901911 4.21978875229413 2443121.542968778 0.634064847149102 109.009606465436 4.37336627862887 -84.2530945761743 32510635.8910336 T 45 CATAB v2.0f-lin.ifort 2021-Apr-12 15:33:20 2021-Apr-12 15:33
2050-Apr-14 21:59 00:02 Jupiter 1.89130933644949 1.89130900499819 1.89130966809503 0.275292374287361 n/a 2469911.415662011 1.57864888783179 1017.99542494526 5.68547793898383 89.126179550097 49746256.9776794 F 45 CATAB v2.0f-lin.ifort 2021-Apr-12 15:33:20 2021-Apr-12 15:33
2060-Feb-29 13:26 < 00:01 Jupiter 1.61645510369566 1.6164548872505 1.61645532014467 4.10804498424075 3.97844612217157 2473519.059904796 0.888915963363004 140.379694654198 4.99846403798446 -87.0361305016533 26691742.1179112 T 45 CATAB v2.0f-lin.ifort 2021-Apr-12 15:33:20 2021-Apr-12 15:33
2133-Oct-04 07:22 00:03 Jupiter 1.92494120889904 1.92494030266086 1.92494211515997 1.88997934263915 1.64072290468219 2500398.806945880 3.45725612947753 495.103976128645 12.9015930295705 52.6839730453654 9115465.97210527 T 45 CATAB v2.0f-lin.ifort 2021-Apr-12 15:33:20 2021-Apr-12 15:33
2143-May-26 02:42 00:03 Jupiter 1.63792565517835 1.63792552751605 1.63792578285061 3.79506365823817 3.65626116506006 2503919.612309070 2.53822657701023 366.502740647808 5.9693506773387 88.8804282502958 19467106.9142461 T 45 CATAB v2.0f-lin.ifort 2021-Apr-12 15:33:20 2021-Apr-12 15:33

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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