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JPL Small-Body Database Browser
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20265 Yuyinchen (1998 FP23)
Classification: Main-belt Asteroid          SPK-ID: 2020265
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07608713333435282 2.9528e-08  
a 2.337026071095964 8.0865e-09 au
q 2.159208456818627 6.9202e-08 au
i 2.356632936026156 3.5102e-06 deg
node 55.64416585607268 9.1511e-05 deg
peri 209.5720864469434 9.5653e-05 deg
M 350.009151199777 2.9431e-05 deg
tp 2459036.715430197564
(2020-Jul-06.21543020)
0.00010673 TDB
period 1304.949672627607
3.57
6.773e-06
1.854e-08
d
yr
n .2758727080065202 1.4319e-09 deg/d
Q 2.514843685373302 8.7018e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      21372 days (58.51 yr)  
   first obs. used      1960-09-26  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54247  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:38:41  

Additional Information
 Earth MOID = 1.14378 au 
 Jupiter MOID = 2.52232 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456503.5 (2013-Jul-30.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07661139946727215 2.9584e-08  
q 2.15793054114111 6.9342e-08 au
tp 2456426.286748885536
(2013-May-13.78674889)
0.00010308 TDB
node 55.68898327952549 9.1499e-05 deg
peri 209.3379809545811 9.5571e-05 deg
i 2.357064090083596 3.5098e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      21372 days (58.51 yr)  
   first obs. used      1960-09-26  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54247  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:38:41  

Additional Information
 Jupiter MOID = 2.52232 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.752186801465423E-16 -2.039185907438418E-15 7.161733159386182E-14 -3.327768689806532E-15 1.823769942367019E-14 1.40849947026565E-16
q -2.039185907438418E-15 4.808344777402337E-15 -6.258762351804379E-14 7.638423379996765E-15 -1.399868650715043E-14 -2.971129878177345E-16
tp 7.161733159386182E-14 -6.258762351804379E-14 1.062624292994691E-8 -1.166999401658565E-11 2.859731804682293E-9 -2.532006136293788E-13
node -3.327768689806532E-15 7.638423379996765E-15 -1.166999401658565E-11 8.372044434915063E-9 -8.367856246853118E-9 -4.378996233028765E-11
peri 1.823769942367019E-14 -1.399868650715043E-14 2.859731804682293E-9 -8.367856246853118E-9 9.133734944374884E-9 4.368445812480666E-11
i 1.40849947026565E-16 -2.971129878177345E-16 -2.532006136293788E-13 -4.378996233028765E-11 4.368445812480666E-11 1.231890843457737E-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 15.4   n/a MPO384928  

20265 Yuyinchen           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Yuyin Chen (b. 1986) is a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors, for his mathematics project. He attends the Cranbrook Kingswood School, Bloomfield Hills, Michigan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040415/MPCPages.arcLast Updated: 2004-04-20

Alternate Designations
 1998 FP23 = 1996 VY14 = 2797 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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