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JPL Small-Body Database Browser
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487887 (2015 TM146)
Classification: Main-belt Asteroid          SPK-ID: 2487887
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940721966199413 8.7398e-08  
a 2.627506933493724 3.1505e-08 au
q 2.117580891276471 2.4174e-07 au
i 7.480376481572368 8.6371e-06 deg
node 191.0140879870602 4.4296e-05 deg
peri 165.3353441605397 4.6827e-05 deg
M 318.9379092180423 1.3263e-05 deg
tp 2458777.940515698578
(2019-Oct-21.44051570)
5.733e-05 TDB
period 1555.658380638423
4.26
2.798e-05
7.661e-08
d
yr
n .2314132745855555 4.1622e-09 deg/d
Q 3.137432975710977 3.762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      6245 days (17.10 yr)  
   first obs. used      2002-08-28  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:48:46  

Additional Information
 Earth MOID = 1.11373 au 
 Jupiter MOID = 2.32053 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457586.5 (2016-Jul-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1964446335409995 8.7801e-08  
q 2.109983479111453 2.4335e-07 au
tp 2457221.252180334580
(2015-Jul-17.75218033)
6.1327e-05 TDB
node 191.0744746345911 4.4208e-05 deg
peri 165.0643233970825 4.6637e-05 deg
i 7.489090931727234 8.6537e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      6245 days (17.10 yr)  
   first obs. used      2002-08-28  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:48:46  

Additional Information
 Jupiter MOID = 2.32053 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.709079684645489E-15 -2.127411209882943E-14 3.252146890214325E-13 6.078209826253236E-15 -1.468144638313296E-13 -1.027780099496647E-14
q -2.127411209882943E-14 5.922122393456056E-14 -1.513770179653982E-12 -1.969177064832342E-14 2.987276299146848E-13 3.037100062143443E-14
tp 3.252146890214325E-13 -1.513770179653982E-12 3.761011855136559E-9 1.068741664895194E-11 9.139057085636824E-10 -3.796234854570531E-12
node 6.078209826253236E-15 -1.969177064832342E-14 1.068741664895194E-11 1.954374664642652E-9 -1.934834450759604E-9 -1.274858763794995E-10
peri -1.468144638313296E-13 2.987276299146848E-13 9.139057085636824E-10 -1.934834450759604E-9 2.175046674625556E-9 1.258830725824677E-10
i -1.027780099496647E-14 3.037100062143443E-14 -3.796234854570531E-12 -1.274858763794995E-10 1.258830725824677E-10 7.488677082289425E-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 17.2   n/a MPO446847  

487887 (2015 TM146)          Discovered 2013-Feb-15 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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