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21559 Jingyuanluo (1998 QE78)
Classification: Main-belt Asteroid          SPK-ID: 2021559
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2503144158628703 2.3754e-08  
a 2.611692647923926 1.1486e-08 au
q 1.957948328345495 6.193e-08 au
i 11.08031122831151 3.8981e-07 deg
node 286.8022452675336 6.5709e-06 deg
peri 312.1218658894354 6.1655e-06 deg
M 191.8425825166966 5.4383e-06 deg
tp 2459920.603720559721
(2022-Dec-07.10372056)
2.7085e-05 TDB
period 1541.63487570948
4.22
1.017e-05
2.784e-08
d
yr
n .2335183289326685 1.5404e-09 deg/d
Q 3.265436967502356 1.4361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1907  
   data-arc span      22056 days (60.39 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43131  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:48:05  

Additional Information
 Earth MOID = .962572 au 
 Jupiter MOID = 1.87222 au 
 T_jup = 3.339 
[ 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 13.73   n/a E2021B10  
diameter diameter 10.489 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21559 Jingyuanluo           Discovered 1998 Aug. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jingyuan Luo (b. 1989) was awarded second place in the 2006 Intel International Science and Engineering Fair for her environmental sciences project. She attends the Hamilton High School, Chandler, Arizona, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060711/MPCPages.arcLast Updated: 2006-07-17

[ 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
1953-Mar-02 02:47 00:01 Jupiter 1.86438985623416 1.86438967312757 1.86439003934076 2.13219794973471 1.90725868743414 2434438.616239293 1.18549551892166 190.511371675204 11.8529312796315 -78.1566274403479 20331101.8411945 T 38 CATAB v2.0f-lin.ifort 2021-Apr-13 03:48:54 2021-Apr-13 03:48
2012-Apr-04 20:42 < 00:01 Jupiter 1.88146381986036 1.88146360719586 1.88146403252507 1.88537585322157 1.62918856982379 2456022.362360594 0.108915725444489 53.3184621531483 18.799125856325 -83.5866399478459 11313103.6973727 T 38 CATAB v2.0f-lin.ifort 2021-Apr-13 03:48:54 2021-Apr-13 03:48
2071-May-06 22:28 00:01 Jupiter 1.92031765414631 1.92031714350926 1.92031816478391 1.6355947538427 1.3390298851775 2477603.435830419 1.13008957522016 131.266578638868 57.3569817042592 -26.8641590270285 2891761.81135801 T 38 CATAB v2.0f-lin.ifort 2021-Apr-13 03:48:54 2021-Apr-13 03:48
2130-Jun-04 16:58 00:02 Jupiter 1.97788610509661 1.97788491881467 1.97788729138427 1.43777959275809 1.10032606593637 2499181.207139879 2.386623929633 308.53023766404 84.2560948383238 24.2938279308625 1927347.13463346 T 38 CATAB v2.0f-lin.ifort 2021-Apr-13 03:48:54 2021-Apr-13 03:48
2143-Oct-12 21:59 00:02 Jupiter 1.94793867696842 1.9479375543838 1.94793979956523 3.16541224678162 3.02492551096143 2504059.415911504 2.30035232657036 258.502307832212 8.00164824204161 80.566096834448 9190189.50948476 T 38 CATAB v2.0f-lin.ifort 2021-Apr-13 03:48:54 2021-Apr-13 03:48

Alternate Designations
 1998 QE78 = 1934 NM = 1985 QP3 = 3018 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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