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JPL Small-Body Database Browser
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48366 (3284 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2048366
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 .1877311203176505 2.8994e-08  
a 2.380087187759098 8.4589e-09 au
q 1.933270753547397 6.8919e-08 au
i 5.388336755577366 4.4142e-06 deg
node 135.7055343839544 4.3972e-05 deg
peri 324.3076665185333 4.6724e-05 deg
M 188.8803199893174 1.521e-05 deg
tp 2459638.007333935848
(2022-Feb-27.50733394)
5.8225e-05 TDB
period 1341.182032379782
3.67
7.1499e-06
1.958e-08
d
yr
n .2684199395075545 1.431e-09 deg/d
Q 2.826903621970799 1.0047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      16660 days (45.61 yr)  
   first obs. used      1973-09-29  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:37:32  

Additional Information
 Earth MOID = .953041 au 
 Jupiter MOID = 2.33263 au 
 T_jup = 3.509 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456863.5 (2014-Jul-25.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1887613566424219 2.9021e-08  
q 1.928884186633628 6.9096e-08 au
tp 2456957.614282363708
(2014-Oct-27.11428236)
5.2077e-05 TDB
node 135.7751619848917 4.4053e-05 deg
peri 324.1455937564043 4.6739e-05 deg
i 5.384932872261824 4.4112e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      16660 days (45.61 yr)  
   first obs. used      1973-09-29  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:37:32  

Additional Information
 Jupiter MOID = 2.33263 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.421990375706477E-16 -1.995468912194855E-15 3.830027291248027E-13 -5.443506526065301E-15 1.169289900097107E-13 -2.595116698751801E-16
q -1.995468912194855E-15 4.774212410844701E-15 -8.194816921201262E-13 1.176814348433432E-14 -2.526313771948551E-13 7.12048509265862E-16
tp 3.830027291248027E-13 -8.194816921201262E-13 2.712024616447474E-9 -2.225023180625396E-11 8.302880127438334E-10 2.409222807077386E-14
node -5.443506526065301E-15 1.176814348433432E-14 -2.225023180625396E-11 1.94068091656261E-9 -1.93812626271841E-9 7.947376272555498E-11
peri 1.169289900097107E-13 -2.526313771948551E-13 8.302880127438334E-10 -1.93812626271841E-9 2.184551909416685E-9 -7.911402397444231E-11
i -2.595116698751801E-16 7.12048509265862E-16 2.409222807077386E-14 7.947376272555498E-11 -7.911402397444231E-11 1.945906255433334E-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 15.5   n/a MPO474361  
diameter diameter 5.437 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.65 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:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.055   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

48366 (3284 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3284 T-2 = 1999 XV212 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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