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JPL Small-Body Database Browser
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487854 (2015 TW104)
Classification: Main-belt Asteroid          SPK-ID: 2487854
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08751758490928539 8.4983e-08  
a 2.989155683622628 5.6001e-08 au
q 2.727551997274111 2.6679e-07 au
i 9.096139489218757 6.9407e-06 deg
node 172.8947005651848 5.8084e-05 deg
peri 255.3670494924972 7.3447e-05 deg
M 229.968230873212 4.4758e-05 deg
tp 2459282.317587656681
(2021-Mar-08.81758766)
0.00024269 TDB
period 1887.648943060014
5.17
5.3047e-05
1.452e-07
d
yr
n .1907134275806677 5.3594e-09 deg/d
Q 3.250759369971143 6.0902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      5441 days (14.90 yr)  
   first obs. used      2004-09-11  
   last obs. used      2019-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6278  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:44  

Additional Information
 Earth MOID = 1.75854 au 
 Jupiter MOID = 2.03387 au 
 T_jup = 3.232 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO450510  

487854 (2015 TW104)          Discovered 2004-Sep-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TW104 = 2004 RB270 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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