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2165 Young (1956 RJ)
Classification: Main-belt Asteroid          SPK-ID: 2002165
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1763105282193489 1.8393e-08  
a 3.125695653270114 1.3287e-08 au
q 2.574602601589138 5.9068e-08 au
i .9425851258172947 1.0317e-06 deg
node 19.13105984179672 5.0362e-05 deg
peri 23.95916396526131 5.0253e-05 deg
M 154.9153947869271 9.1206e-06 deg
tp 2458331.918575254192
(2018-Aug-01.41857525)
4.8226e-05 TDB
period 2018.452157957371
5.53
1.2871e-05
3.524e-08
d
yr
n .1783544874129254 1.1373e-09 deg/d
Q 3.676788704951091 1.563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3038  
   data-arc span      33386 days (91.41 yr)  
   first obs. used      1929-10-27  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:01:21  

Additional Information
 Earth MOID = 1.58251 au 
 Jupiter MOID = 1.73404 au 
 T_jup = 3.190 
[ 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 11.43   n/a E2021B10  
diameter diameter 27.115 km 0.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.389 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.073   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2165 Young (1956 RJ)          Discovered 1956-Sep-07 by Goethe Link Observatory at Brooklyn
Discovered by the Indiana Asteroid Program, Goethe Link Observatory, University of Indiana. This program was conceived and directed by F. K. Edmondson; the plates were blinked and measured astrometrically by B. Potter and, following her retirement, by D. Owings; and the photometry was performed under the direction of T. Gehrels. During the years 1947-1967, in which the plates were exposed, a large number of people participated in various aspects of the program.
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
1972-Jan-28 21:40 < 00:01 Jupiter 1.81274066669223 1.81274036218237 1.81274097120198 2.18183091877106 1.95598177799713 2441345.402675382 0.952354808426617 6.14569773144256 2.75108695822865 60.0017167781385 4005687.97876345 T 39 CATAB v2.0g-lin.ifort 2021-May-03 20:02:24 2021-May-03 20:02
1982-Jun-02 08:52 < 00:01 Jupiter 1.78910127285756 1.78910108214735 1.78910146356767 1.8133474881754 1.53015026695993 2445122.869463935 0.691227920884099 29.0287451605156 10.6714659927764 -82.5021856496377 5558287.10511995 T 39 CATAB v2.0g-lin.ifort 2021-May-03 20:02:24 2021-May-03 20:02
1992-Oct-11 14:11 < 00:01 Jupiter 1.99481512403511 1.99481490268062 1.99481534538961 2.64994958334625 2.48455402887672 2448907.091157592 0.441436403182816 24.6405145772368 3.74620355204201 83.4997873411267 6682559.97377319 T 39 CATAB v2.0g-lin.ifort 2021-May-03 20:02:24 2021-May-03 20:02
2055-Jul-16 00:06 < 00:01 Jupiter 1.84766556158357 1.84766537754749 1.84766574561965 2.43745452273111 2.2415011921728 2471829.504038086 0.830432935694438 7.40990062851225 3.53292183873074 -86.4234577503321 4890859.76721534 T 39 CATAB v2.0g-lin.ifort 2021-May-03 20:02:24 2021-May-03 20:02
2065-Nov-14 11:45 00:01 Jupiter 1.76858332079981 1.76858310018229 1.76858354141734 1.78221078140887 1.48943648244183 2475603.989364261 1.06529758897607 26.2255621909589 12.7258914445825 86.9799623690117 5532146.83422067 T 39 CATAB v2.0g-lin.ifort 2021-May-03 20:02:24 2021-May-03 20:02
2076-Mar-24 01:32 00:01 Jupiter 1.9475449468552 1.94754450829274 1.94754538541821 2.40693330787169 2.21889427110776 2479386.563871564 1.29661288039003 65.3403847347233 2.02156661325458 83.9139870315312 6523769.05978699 T 39 CATAB v2.0g-lin.ifort 2021-May-03 20:02:24 2021-May-03 20:02
2138-Dec-31 06:02 00:03 Jupiter 1.87744503097261 1.87744438766213 1.87744567428288 2.71463717938508 2.54301808282648 2502312.751602789 2.59354459011789 25.9822617492007 5.06087215094589 74.4836600438283 2975687.44153051 T 39 CATAB v2.0g-lin.ifort 2021-May-03 20:02:24 2021-May-03 20:02
2149-May-01 07:20 00:03 Jupiter 1.7521710492783 1.75217085160443 1.75217124695217 1.79314855314774 1.49951840633513 2506086.805325930 2.82157972790274 42.72597184671 12.6969517363571 55.6820823607643 5142201.36588721 T 39 CATAB v2.0g-lin.ifort 2021-May-03 20:02:24 2021-May-03 20:02
2159-Sep-07 02:01 00:03 Jupiter 1.89159860218583 1.89159766733542 1.89159953703958 2.17299409575883 1.95610345036263 2509867.583826986 3.03807858595231 148.075421784907 1.63219382960545 87.9948605474042 6143295.97828753 T 39 CATAB v2.0g-lin.ifort 2021-May-03 20:02:24 2021-May-03 20:02

Alternate Designations
 1956 RJ = 1929 UD = 1942 DD = 1956 SF = 1973 QT = 1973 UN3 = 1976 GU5 = 1978 QA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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