Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
3550 Link (1981 YS)
Classification: Main-belt Asteroid          SPK-ID: 2003550
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582875952307759 3.6948e-08  
a 2.92485440195534 1.4966e-08 au
q 2.461886232269681 1.1045e-07 au
i 14.68054522263311 3.983e-06 deg
node 81.12652211276225 1.9847e-05 deg
peri 29.81874446170806 2.5858e-05 deg
M 266.4313305441954 1.7952e-05 deg
tp 2459675.378773846354
(2022-Apr-05.87877385)
9.3197e-05 TDB
period 1827.068393501474
5.00
1.4023e-05
3.839e-08
d
yr
n .1970369589230758 1.5123e-09 deg/d
Q 3.387822571641 1.7335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2284  
   data-arc span      21615 days (59.18 yr)  
   first obs. used      1961-12-06  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:15:19  

Additional Information
 Earth MOID = 1.489 au 
 Jupiter MOID = 1.84514 au 
 T_jup = 3.211 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456897.5 (2014-Aug-28.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1547009867646895 3.6285e-08  
q 2.476339805017957 1.0805e-07 au
tp 2456006.295868934078
(2012-Mar-19.79586893)
8.3417e-05 TDB
node 81.2218949415993 1.9849e-05 deg
peri 28.46953130213503 2.6309e-05 deg
i 14.67140097912753 3.9818e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2284  
   data-arc span      21615 days (59.18 yr)  
   first obs. used      1961-12-06  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:15:19  

Additional Information
 Jupiter MOID = 1.84514 au 
 T_jup = 3.211 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.316586636459015E-15 -3.893189792723205E-15 1.324008074659097E-13 6.306497524774323E-16 5.255448638941635E-14 2.620977515770515E-15
q -3.893189792723205E-15 1.167379062972966E-14 -1.1918105437115E-14 -5.163346431773512E-16 -6.934803276427894E-14 -7.500324131262934E-15
tp 1.324008074659097E-13 -1.1918105437115E-14 6.958417245085374E-9 -4.701387228107452E-11 1.479292306207017E-9 4.487218142758194E-12
node 6.306497524774323E-16 -5.163346431773512E-16 -4.701387228107452E-11 3.940012787719974E-10 -3.898915433281817E-10 -6.760809729447738E-12
peri 5.255448638941635E-14 -6.934803276427894E-14 1.479292306207017E-9 -3.898915433281817E-10 6.92151055519153E-10 7.457400736629824E-12
i 2.620977515770515E-15 -7.500324131262934E-15 4.487218142758194E-12 -6.760809729447738E-12 7.457400736629824E-12 1.585482332688934E-11

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 11.77   n/a E2021B10  
diameter diameter 26.515 km 0.279 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.371 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.048   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3550 Link (1981 YS)          Discovered 1981-Dec-20 by Mrkos, A. at Klet
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
1949-Dec-11 09:21 00:02 Jupiter 1.88543302787126 1.88543230935477 1.88543374639086 2.78455827995723 2.61825774018596 2433261.889880151 1.66369321358147 147.178548439496 16.4686267369508 71.4617517628049 2488511.19891755 T 32 CATAB v2.0f-lin.ifort 2021-Apr-12 15:15:37 2021-Apr-12 15:15
1984-Jul-05 17:16 < 00:01 Jupiter 1.87253210763744 1.87253169861735 1.87253251665753 3.67747308006128 3.55234103458031 2445887.219519535 0.714799405105296 107.936984886672 17.015955927543 86.1957329992015 3415702.57335978 T 32 CATAB v2.0f-lin.ifort 2021-Apr-12 15:15:37 2021-Apr-12 15:15
2045-May-04 03:11 < 00:01 Jupiter 1.96423449437518 1.96423392847016 1.96423506028049 2.24063402517976 2.03911633449307 2468104.632483384 0.826682258031959 72.0845962546079 19.1736023218164 58.7478441656878 2273037.01838535 T 32 CATAB v2.0f-lin.ifort 2021-Apr-12 15:15:37 2021-Apr-12 15:15
2079-Oct-31 22:18 00:01 Jupiter 1.8465954693885 1.84659504056338 1.84659589821425 3.29389515124564 3.15156421445425 2480703.428916441 1.48987810198007 171.997569969548 17.2300812788128 85.3636789658909 3036172.39373967 T 32 CATAB v2.0f-lin.ifort 2021-Apr-12 15:15:37 2021-Apr-12 15:15
2114-Jun-09 11:42 00:02 Jupiter 1.99580936952811 1.99580828511426 1.99581045394401 4.03507045857187 3.92848477008715 2493341.987280947 2.19029705131745 161.260981075247 38.6627140510477 -77.9150587917741 3170794.18445703 T 32 CATAB v2.0f-lin.ifort 2021-Apr-12 15:15:37 2021-Apr-12 15:15
2175-Mar-08 22:31 00:04 Jupiter 1.87639250603957 1.87639173470103 1.87639327739337 2.76320224445656 2.59469968639799 2515529.437932306 3.92881034189891 328.316188792367 18.3169351635498 76.9579543387483 2362963.21058594 T 32 CATAB v2.0f-lin.ifort 2021-Apr-12 15:15:37 2021-Apr-12 15:15

Alternate Designations
 1981 YS = 1938 JD = 1951 YL2 = 1961 XM = 1961 XZ = 1962 AB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-22 12:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin