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2874 Jim Young (1982 TH)
Classification: Main-belt Asteroid          SPK-ID: 2002874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339387326661055 3.8617e-08  
a 2.244838720744059 5.7988e-09 au
q 1.944167867447798 8.7791e-08 au
i 4.892810701402128 3.9098e-06 deg
node 79.17838009230934 4.5827e-05 deg
peri 322.7892010832289 4.8133e-05 deg
M 51.1327708285664 1.3736e-05 deg
tp 2458826.009024494893
(2019-Dec-08.50902449)
4.6861e-05 TDB
period 1228.502781365888
3.36
4.7601e-06
1.303e-08
d
yr
n .2930396295885798 1.1355e-09 deg/d
Q 2.54550957404032 6.5755e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2525  
   data-arc span      24133 days (66.07 yr)  
   first obs. used      1954-04-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43883  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:46:15  

Additional Information
 Earth MOID = .955602 au 
 Jupiter MOID = 2.82499 au 
 T_jup = 3.615 
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Orbital Elements at Epoch 2456438.5 (2013-May-26.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1340859055821379 3.8744e-08  
q 1.944061244445273 8.8092e-08 au
tp 2456368.159489181910
(2013-Mar-16.65948918)
4.7396e-05 TDB
node 79.21668406471312 4.5846e-05 deg
peri 322.5584023871217 4.8129e-05 deg
i 4.892338761119387 3.9091e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2525  
   data-arc span      24133 days (66.07 yr)  
   first obs. used      1954-04-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43883  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:46:15  

Additional Information
 Jupiter MOID = 2.82499 au 
 T_jup = 3.615 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.501071858281233E-15 -3.407650082826572E-15 -1.980052949115366E-13 3.710028918236184E-15 -8.58729094682962E-14 -2.021280777379594E-15
q -3.407650082826572E-15 7.760201920674809E-15 3.996897603873503E-13 -8.54995714881356E-15 1.791066139813221E-13 4.607789792573352E-15
tp -1.980052949115366E-13 3.996897603873503E-13 2.246339930133888E-9 7.029386739800686E-12 7.067504556940046E-10 3.861069675045016E-13
node 3.710028918236184E-15 -8.54995714881356E-15 7.029386739800686E-12 2.101869647778642E-9 -2.091563439066215E-9 -3.15867736957412E-11
peri -8.58729094682962E-14 1.791066139813221E-13 7.067504556940046E-10 -2.091563439066215E-9 2.316441944753096E-9 3.163607789562146E-11
i -2.021280777379594E-15 4.607789792573352E-15 3.861069675045016E-13 -3.15867736957412E-11 3.163607789562146E-11 1.528141578571307E-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 12.9   n/a MPO452202  
diameter diameter 6.552 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 131.3 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:
[Pray, D.P.; Galad, A.; Husark, M.; Oey, J. (2008) Minor Planet Bull. 35, 34-37.]
geometric albedo albedo 0.251   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2874 Jim Young (1982 TH)          Discovered 1982-Oct-13 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 TH = 1962 WE = 1965 SD = 1972 TD2 = 1972 XF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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