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JPL Small-Body Database Browser
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49263 (1998 TJ36)
Classification: Main-belt Asteroid          SPK-ID: 2049263
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 .1844418793695954 3.5548e-08  
a 2.588919081985254 1.201e-08 au
q 2.111413980968087 8.9814e-08 au
i 15.49992680664477 6.0923e-06 deg
node 211.6015857713656 1.6096e-05 deg
peri 138.0303667913944 2.4599e-05 deg
M 89.15030075052587 1.8199e-05 deg
tp 2458623.712528643920
(2019-May-20.21252864)
7.6333e-05 TDB
period 1521.514661714574
4.17
1.0587e-05
2.899e-08
d
yr
n .2366063299017578 1.6464e-09 deg/d
Q 3.066424183002423 1.4225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      9752 days (26.70 yr)  
   first obs. used      1993-05-18  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:23:16  

Additional Information
 Earth MOID = 1.13251 au 
 Jupiter MOID = 2.48746 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457469.5 (2016-Mar-22.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863274552520177 3.5723e-08  
q 2.105167325665643 9.0348e-08 au
tp 2457100.687688692104
(2015-Mar-19.18768869)
7.3212e-05 TDB
node 211.6365041087269 1.6099e-05 deg
peri 137.606539284943 2.4366e-05 deg
i 15.50125105449042 6.0891e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      9752 days (26.70 yr)  
   first obs. used      1993-05-18  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:23:16  

Additional Information
 Jupiter MOID = 2.48746 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.276155424716527E-15 -3.210206478878232E-15 1.11822224813232E-12 3.827210464180354E-15 2.636533449742007E-13 2.868323814804324E-15
q -3.210206478878232E-15 8.162803981755378E-15 -2.837755194594309E-12 -9.718534568512747E-15 -6.632897784722233E-13 -6.776255722335477E-15
tp 1.11822224813232E-12 -2.837755194594309E-12 5.36006396500206E-9 1.11035401598377E-11 1.355401105979605E-9 9.018718831842465E-12
node 3.827210464180354E-15 -9.718534568512747E-15 1.11035401598377E-11 2.591679164880139E-10 -2.466750650532181E-10 4.649941261884082E-11
peri 2.636533449742007E-13 -6.632897784722233E-13 1.355401105979605E-9 -2.466750650532181E-10 5.937172094630139E-10 -4.263694749208939E-11
i 2.868323814804324E-15 -6.776255722335477E-15 9.018718831842465E-12 4.649941261884082E-11 -4.263694749208939E-11 3.707688239138449E-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 15.2   n/a MPO502484  
diameter diameter 4.064 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.73 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.107   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49263 (1998 TJ36)          Discovered 1998-Oct-11 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 TJ36 = 2002 PE93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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