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102492 (1999 TG265)
Classification: Outer Main-belt Asteroid          SPK-ID: 2102492
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04689348312146843 4.9937e-08  
a 3.226694711653446 2.738e-08 au
q 3.075383757654393 1.6413e-07 au
i 16.52913996947334 5.1766e-06 deg
node 260.2268816693152 1.9596e-05 deg
peri 97.2226182999832 5.9546e-05 deg
M 233.551074135097 5.7347e-05 deg
tp 2459944.114563247538
(2022-Dec-30.61456325)
0.00034066 TDB
period 2117.07012090497
5.80
2.6947e-05
7.378e-08
d
yr
n .1700463279157297 2.1644e-09 deg/d
Q 3.378005665652498 2.8664e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1244  
   data-arc span      7620 days (20.86 yr)  
   first obs. used      1999-08-11  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:42:14  

Additional Information
 Earth MOID = 2.13003 au 
 Jupiter MOID = 1.89561 au 
 T_jup = 3.121 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457097.5 (2015-Mar-16.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04573345839168233 4.9915e-08  
q 3.080030226276706 1.638e-07 au
tp 2457834.341420272852
(2017-Mar-21.84142027)
0.00034024 TDB
node 260.2523062570855 1.9592e-05 deg
peri 98.73948338112581 6.0915e-05 deg
i 16.52923275719341 5.1767e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1244  
   data-arc span      7620 days (20.86 yr)  
   first obs. used      1999-08-11  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:42:14  

Additional Information
 Jupiter MOID = 1.89561 au 
 T_jup = 3.121 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.491508012609682E-15 -8.071897540980529E-15 1.741866883361111E-13 -1.882564081732143E-17 1.795466029441528E-14 -1.58392476013209E-15
q -8.071897540980529E-15 2.68319283212155E-14 2.062847376377815E-12 -1.146890725851785E-15 3.449580668156276E-13 5.316040904999785E-15
tp 1.741866883361111E-13 2.062847376377815E-12 1.157641040397816E-7 -3.982004565562548E-11 1.96652110640752E-8 8.578466602928408E-12
node -1.882564081732143E-17 -1.146890725851785E-15 -3.982004565562548E-11 3.83837544754026E-10 -3.743453646568381E-10 -2.341863280686792E-12
peri 1.795466029441528E-14 3.449580668156276E-13 1.96652110640752E-8 -3.743453646568381E-10 3.710662336910106E-9 3.66158705388606E-12
i -1.58392476013209E-15 5.316040904999785E-15 8.578466602928408E-12 -2.341863280686792E-12 3.66158705388606E-12 2.679868945091031E-11

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 13.16   n/a E2021B55  
diameter diameter 14.055 km 0.412 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 29.5933 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.062   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102492 (1999 TG265)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 TG265 = 2000 VP57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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