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11361 Orbinskij (1998 DD36)
Classification: Main-belt Asteroid          SPK-ID: 2011361
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864122432923316 3.1263e-08  
a 2.444364620168546 7.2833e-09 au
q 1.988705127898519 7.8118e-08 au
i 6.088997784454406 3.4136e-06 deg
node 39.22702589371066 3.3238e-05 deg
peri 190.5742395921455 3.4643e-05 deg
M 335.8724055851629 1.1469e-05 deg
tp 2459490.053261675709
(2021-Oct-02.55326168)
4.4661e-05 TDB
period 1395.877832832952
3.82
6.2388e-06
1.708e-08
d
yr
n .2579022257767181 1.1527e-09 deg/d
Q 2.900024112438573 8.641e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3206  
   data-arc span      13993 days (38.31 yr)  
   first obs. used      1983-04-09  
   last obs. used      2021-07-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:11:24  

Additional Information
 Earth MOID = .979436 au 
 Jupiter MOID = 2.08843 au 
 T_jup = 3.468 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457322.5 (2015-Oct-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .186899359610738 3.1235e-08  
q 1.987374216952692 7.8068e-08 au
tp 2456698.730639072205
(2014-Feb-10.23063907)
4.0486e-05 TDB
node 39.2435944639098 3.3231e-05 deg
peri 190.625484774818 3.4634e-05 deg
i 6.090476937795562 3.414e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3206  
   data-arc span      13993 days (38.31 yr)  
   first obs. used      1983-04-09  
   last obs. used      2021-07-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:11:24  

Additional Information
 Jupiter MOID = 2.08843 au 
 T_jup = 3.468 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.756261834722548E-16 -2.431951664783703E-15 -2.099233844756757E-13 8.356865851238037E-16 -3.491129923222562E-14 -7.451113657591288E-16
q -2.431951664783703E-15 6.09455308021347E-15 5.587371824325046E-13 -2.635123199548524E-15 9.867918925434095E-14 1.990884836193182E-15
tp -2.099233844756757E-13 5.587371824325046E-13 1.639103526195977E-9 8.891675332792946E-12 4.06455628645169E-10 1.153046031224303E-12
node 8.356865851238037E-16 -2.635123199548524E-15 8.891675332792946E-12 1.104301110221295E-9 -1.095842047663994E-9 -4.970312541016288E-12
peri -3.491129923222562E-14 9.867918925434095E-14 4.06455628645169E-10 -1.095842047663994E-9 1.199509721124048E-9 5.255713225885484E-12
i -7.451113657591288E-16 1.990884836193182E-15 1.153046031224303E-12 -4.970312541016288E-12 5.255713225885484E-12 1.165530421514714E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.96   n/a MPCxxxxx  
diameter diameter 4.482 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.95007 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.320   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11361 Orbinskij           Discovered 1998 Feb. 28 by T. Seki at Geisei.
Artemij Robertovitch Orbinskij (1862-1927) was a Russian astronomer on the staff of the Odessa department of the Pulkovo Observatory. He made important contributions especially in the field of positional astronomy. The name was suggested by E. Kato.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100130/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1998 DD36 = 1983 HA1 = 1987 HU2 = 1992 UB8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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