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JPL Small-Body Database Browser
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487877 (2015 TW130)
Classification: Main-belt Asteroid          SPK-ID: 2487877
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06146782485198182 7.5525e-08  
a 2.659452980146444 4.2864e-08 au
q 2.495982190160722 2.2793e-07 au
i 6.710440078644011 4.5108e-06 deg
node 127.1657665608057 5.8036e-05 deg
peri 257.6664058560607 6.9991e-05 deg
M 304.1558407759112 3.7509e-05 deg
tp 2458846.232250005875
(2019-Dec-28.73225001)		 0.00016411 TDB
period 1584.115711136996
4.34		 3.8298e-05
1.049e-07		 d
yr
n .227256126221746 5.4942e-09 deg/d
Q 2.822923770132167 4.5499e-08 au
   Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      4336 days (11.87 yr)  
   first obs. used      2007-12-15  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:48:46  

Additional Information
 Earth MOID = 1.50847 au 
 Jupiter MOID = 2.45829 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457776.5 (2017-Jan-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06195124532876238 7.5321e-08  
q 2.495131378164357 2.2713e-07 au
tp 2457253.172485859508
(2015-Aug-18.67248586)		 0.00017394 TDB
node 127.2905222449971 5.805e-05 deg
peri 255.7826617863241 6.9979e-05 deg
i 6.709549845117667 4.5124e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      4336 days (11.87 yr)  
   first obs. used      2007-12-15  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:48:46  

Additional Information
 Jupiter MOID = 2.45829 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.673317703596054E-15 -1.694081747125909E-14 3.694551465705246E-12 3.145817731311878E-14 7.134206854181633E-13 -1.407547092633045E-14
q -1.694081747125909E-14 5.158715073892499E-14 -1.242119598417613E-11 -9.541638628600312E-14 -2.382243462609396E-12 4.460088398843423E-14
tp 3.694551465705246E-12 -1.242119598417613E-11 3.025418922973407E-8 6.329992365696228E-11 6.854456774252417E-9 -1.303875356766257E-11
node 3.145817731311878E-14 -9.541638628600312E-14 6.329992365696228E-11 3.369774410717116E-9 -3.332060103422529E-9 4.601152748302897E-11
peri 7.134206854181633E-13 -2.382243462609396E-12 6.854456774252417E-9 -3.332060103422529E-9 4.897104820820376E-9 -4.827030111107746E-11
i -1.407547092633045E-14 4.460088398843423E-14 -1.303875356766257E-11 4.601152748302897E-11 -4.827030111107746E-11 2.036152694410005E-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 17.1   n/a MPO440946  

487877 (2015 TW130)          Discovered 2007-Dec-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TW130 = 2008 AF57 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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