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452277 (2015 TM169)
Classification: Main-belt Asteroid          SPK-ID: 2452277
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05263549356519537 5.6558e-08  
a 2.908479336268411 4.3063e-08 au
q 2.755390090879751 1.7881e-07 au
i 12.20278010934338 7.2498e-06 deg
node 77.69782596650921 2.7044e-05 deg
peri 31.66152103771513 7.2705e-05 deg
M 271.8701560968072 7.025e-05 deg
tp 2459444.024792056388
(2021-Aug-17.52479206)
0.00035717 TDB
period 1811.746374085149
4.96
4.0237e-05
1.102e-07
d
yr
n .1987033092210735 4.413e-09 deg/d
Q 3.06156858165707 4.5329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      9563 days (26.18 yr)  
   first obs. used      1993-05-23  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60786  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:56:52  

Additional Information
 Earth MOID = 1.77901 au 
 Jupiter MOID = 2.12031 au 
 T_jup = 3.248 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457218.5 (2015-Jul-15.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04988285659389367 5.6493e-08  
q 2.765146607489982 1.7832e-07 au
tp 2457623.486193003848
(2016-Aug-22.98619300)
0.00036258 TDB
node 77.76690259410729 2.71e-05 deg
peri 30.17772388161201 7.6053e-05 deg
i 12.18817215862069 7.2417e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      9563 days (26.18 yr)  
   first obs. used      1993-05-23  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60786  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:56:52  

Additional Information
 Jupiter MOID = 2.12031 au 
 T_jup = 3.248 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.191457427410452E-15 -9.817741423976929E-15 -6.130386325571308E-12 4.556199837136117E-15 -1.232967284183833E-12 -4.908648760557608E-15
q -9.817741423976929E-15 3.17997230789429E-14 2.178936333465497E-11 -1.499756412449869E-14 4.295873981494116E-12 1.934913100633098E-14
tp -6.130386325571308E-12 2.178936333465497E-11 1.31465241348922E-7 7.461791527301168E-12 2.579067642834904E-8 4.746183996565754E-12
node 4.556199837136117E-15 -1.499756412449869E-14 7.461791527301168E-12 7.344053396948871E-10 -7.16003929912094E-10 -3.72315170035644E-11
peri -1.232967284183833E-12 4.295873981494116E-12 2.579067642834904E-8 -7.16003929912094E-10 5.784094834103118E-9 3.743710325096058E-11
i -4.908648760557608E-15 1.934913100633098E-14 4.746183996565754E-12 -3.72315170035644E-11 3.743710325096058E-11 5.244179668074058E-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 16.2   n/a MPO450473  
diameter diameter 3.407 km 0.302 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.050   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

452277 (2015 TM169)          Discovered 2008-Apr-04 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 TM169 = 2008 GX47 = 2010 PP67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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