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74821 (1999 TP13)
Classification: Main-belt Asteroid          SPK-ID: 2074821
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417613478011288 3.4514e-08  
a 2.366889909608375 9.1195e-09 au
q 2.0313564059254 8.2701e-08 au
i 1.934281462561638 4.117e-06 deg
node 218.9905701695315 0.00012635 deg
peri 192.6232301335079 0.00012739 deg
M 216.8852369405656 1.7243e-05 deg
tp 2459529.246431428622
(2021-Nov-10.74643143)
6.5085e-05 TDB
period 1330.04248649913
3.64
7.6869e-06
2.105e-08
d
yr
n .2706680453100213 1.5643e-09 deg/d
Q 2.70242341329135 1.0412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      987  
   data-arc span      8058 days (22.06 yr)  
   first obs. used      1997-03-05  
   last obs. used      2019-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52886  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:27:14  

Additional Information
 Earth MOID = 1.04215 au 
 Jupiter MOID = 2.63915 au 
 T_jup = 3.533 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456514.5 (2013-Aug-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414117035125873 3.4499e-08  
q 2.031931942918642 8.2591e-08 au
tp 2456871.064778415369
(2014-Aug-01.56477842)
5.9919e-05 TDB
node 219.0989246034623 0.00012647 deg
peri 192.7590626072254 0.00012751 deg
i 1.932995476095502 4.1152e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      987  
   data-arc span      8058 days (22.06 yr)  
   first obs. used      1997-03-05  
   last obs. used      2019-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52886  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:27:14  

Additional Information
 Jupiter MOID = 2.63915 au 
 T_jup = 3.533 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.19014956575303E-15 -2.836226548457473E-15 -3.945306750203636E-13 8.367489480928501E-16 -8.333604954711115E-14 -3.874331754273647E-16
q -2.836226548457473E-15 6.821196968496987E-15 1.037355567872708E-12 -4.623044740826885E-16 2.192086378370333E-13 9.694101982473614E-16
tp -3.945306750203636E-13 1.037355567872708E-12 3.590267240735516E-9 1.263119975352231E-11 9.905245171383142E-10 1.114622086665186E-12
node 8.367489480928501E-16 -4.623044740826885E-16 1.263119975352231E-11 1.599463469342986E-8 -1.598174264446308E-8 -1.25193834214707E-10
peri -8.333604954711115E-14 2.192086378370333E-13 9.905245171383142E-10 -1.598174264446308E-8 1.625891247960952E-8 1.254274580163246E-10
i -3.874331754273647E-16 9.694101982473614E-16 1.114622086665186E-12 -1.25193834214707E-10 1.254274580163246E-10 1.693496208998175E-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 15.7   n/a MPO468696  
diameter diameter 2.030 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.429   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74821 (1999 TP13)          Discovered 1999-Oct-10 by Crni Vrh at Crni Vrh
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TP13 = 1997 EA40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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