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2312 Duboshin (1976 GU2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2002312
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1576243824087235 3.784e-08  
a 3.961913099838621 3.0396e-08 au
q 3.337418994319527 1.6326e-07 au
i 5.164546316891958 3.8712e-06 deg
node 61.43971752246402 4.7384e-05 deg
peri 342.0785940477764 4.9183e-05 deg
M 350.2592100481521 1.4057e-05 deg
tp 2459078.437688791656
(2020-Aug-16.93768879)
0.00011293 TDB
period 2880.420181904576
7.89
3.3148e-05
9.075e-08
d
yr
n .1249817655985047 1.4383e-09 deg/d
Q 4.586407205357714 3.5188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2451  
   data-arc span      28101 days (76.94 yr)  
   first obs. used      1943-02-26  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:18:14  

Additional Information
 Earth MOID = 2.34705 au 
 Jupiter MOID = .821982 au 
 T_jup = 3.030 
[ 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 10.0   n/a MPO502175 IRAS observations used: 6
diameter diameter 50.122 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 50.78 h n/a LCDB (Rev. 2019-August); 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:
[Stephens, R.D. (2016) Minor Planet Bull. 43, 336-339.]
geometric albedo albedo 0.060   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
B-V BV 0.739   0.016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=2.19, mean=2.44, max.=2.64) deg.
U-B UB 0.246   0.069 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=2.19, mean=2.44, max.=2.64) deg.
Tholen spectral type spec_T D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

2312 Duboshin (1976 GU2)          Discovered 1976-Apr-01 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
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
1918-Jan-25 00:06 00:02 Jupiter 1.60235871942275 1.60235830726528 1.60235913158023 3.76098315259072 3.61770295658046 2421618.503956257 1.9598178813716 48.626574387227 16.724152118525 -81.5731358253996 4041847.56761495 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
1941-Oct-17 06:51 00:02 Jupiter 1.58719031154225 1.58718985584964 1.58719076723496 3.72337404261402 3.5771764099576 2430284.785622701 1.92933246879279 48.9130369170944 18.029778905624 -78.9756771465242 3842709.82221473 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
1965-Sep-18 00:08 00:02 Jupiter 1.60066840071136 1.60066794386989 1.60066885755282 3.71509121828247 3.5698132634275 2439021.505364173 1.62354919577208 48.3346339389021 18.1655481855843 -78.8522089479079 3870350.38337955 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
1989-Sep-04 15:23 < 00:01 Jupiter 1.60485527320056 1.60485482622477 1.60485572017636 3.64398074443363 3.49614369148828 2447774.141185975 0.960383374835481 45.4971728492087 17.8261063121473 -79.8791759394925 3868582.33958429 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
2013-Jul-19 21:28 < 00:01 Jupiter 1.61876988874845 1.61876942260043 1.61877035489648 3.60673991950025 3.45862276050667 2456493.394521951 0.312840019776302 43.5362756443881 18.7846249302534 -82.364193555246 3579264.86073837 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
2037-Mar-14 09:47 00:01 Jupiter 1.64311701679907 1.64311651428943 1.64311751930862 3.70009194248674 3.5580451970907 2465131.907845805 1.14637676572916 45.562437284693 20.3754886923912 -88.398684723252 2995941.86860546 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
2060-Aug-01 13:40 00:02 Jupiter 1.68153101103873 1.68153054173218 1.68153148034518 3.97481940004054 3.84600405917826 2473673.069427540 1.89670800412574 44.9737720997385 19.3746176716289 -89.7831390552402 3005315.06552078 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
2083-Oct-09 00:19 00:02 Jupiter 1.723969306757 1.72396893429239 1.72396967922162 4.31836673942436 4.20305235196682 2482141.513365249 2.25732154362338 40.5943632649562 16.1840685671521 -85.96869460932 4054246.88177855 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
2106-Nov-05 21:28 00:02 Jupiter 1.73785901370504 1.7378586491784 1.73785937823168 4.49494122539272 4.38516910628455 2490569.394477146 2.29260295350875 52.6453088103651 16.3722275293479 86.6466801322823 5121046.50316337 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
2129-Dec-06 19:29 00:02 Jupiter 1.71407361984449 1.71407319447788 1.7140740452114 4.38374200594906 4.26952910325212 2499001.311477786 2.13212295492045 70.4259710514008 16.1953826730674 81.8862952360067 4778362.84257629 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
2153-Feb-17 20:35 00:02 Jupiter 1.67378664014146 1.6737862236914 1.6737870565921 4.10466581524004 3.97946957836667 2507475.357493401 1.92985418544782 72.4826413582966 13.4843905543107 80.7336358253099 5194711.41220852 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
2176-Jul-19 23:07 00:02 Jupiter 1.63607602142713 1.63607565271727 1.63607639013763 3.86983550886491 3.73365707206706 2516028.462952251 1.8812716452223 68.3339858393508 9.50564261742174 80.1986439497981 6160663.55968674 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18
2200-Mar-29 07:46 00:02 Jupiter 1.60992831160084 1.6099279322681 1.60992869093431 3.78723047195337 3.64566398770735 2524680.823547870 1.95454844355702 66.1362081612775 7.46001374360186 78.7072172802109 5952229.0180633 T 39 CATAB v2.0f-lin.ifort 2020-Feb-22 16:18:28 2020-Feb-22 16:18

Alternate Designations
 1976 GU2 = 1943 DH = 1971 QJ = 1972 TJ7 = 1973 YE2 = 1975 CF = 1976 JN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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