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487834 (2015 TN77)
Classification: Main-belt Asteroid          SPK-ID: 2487834
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07791380414336724 6.883e-08  
a 2.807249227375011 3.5449e-08 au
q 2.588525760891696 1.9413e-07 au
i 3.142672561154787 6.8086e-06 deg
node 200.594365134344 0.0001197 deg
peri 104.8370847519413 0.0001281 deg
M 81.53947492610371 4.2351e-05 deg
tp 2458611.378441171459
(2019-May-07.87844117)
0.00020322 TDB
period 1717.987040083687
4.70
3.2541e-05
8.909e-08
d
yr
n .2095475644463904 3.9691e-09 deg/d
Q 3.025972693858327 3.8211e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      5611 days (15.36 yr)  
   first obs. used      2004-05-13  
   last obs. used      2019-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:24:30  

Additional Information
 Earth MOID = 1.57579 au 
 Jupiter MOID = 2.14298 au 
 T_jup = 3.316 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457596.5 (2016-Jul-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07996339433796704 6.8443e-08  
q 2.582096115748581 1.9362e-07 au
tp 2456895.722240669323
(2014-Aug-26.22224067)
0.000206 TDB
node 200.6282371203888 0.0001196 deg
peri 105.3580481161354 0.00012763 deg
i 3.143267511668704 6.8172e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      5611 days (15.36 yr)  
   first obs. used      2004-05-13  
   last obs. used      2019-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:24:30  

Additional Information
 Jupiter MOID = 2.14298 au 
 T_jup = 3.316 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.684492565656054E-15 -1.306163641105743E-14 4.041003245631697E-13 -2.388143456161567E-14 -5.854751521541848E-14 -4.315672614932341E-15
q -1.306163641105743E-14 3.748808114149682E-14 -3.322694421692984E-12 7.080369543901429E-14 -2.222821400472639E-13 1.269225681960309E-14
tp 4.041003245631697E-13 -3.322694421692984E-12 4.243603292573806E-8 -2.952958885791628E-11 9.20095563187114E-9 -5.513729475769174E-12
node -2.388143456161567E-14 7.080369543901429E-14 -2.952958885791628E-11 1.430349767937779E-8 -1.428664186758151E-8 -1.993417263439235E-10
peri -5.854751521541848E-14 -2.222821400472639E-13 9.20095563187114E-9 -1.428664186758151E-8 1.628917314598937E-8 1.980473592269976E-10
i -4.315672614932341E-15 1.269225681960309E-14 -5.513729475769174E-12 -1.993417263439235E-10 1.980473592269976E-10 4.647371690970638E-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 16.9   n/a MPO446847  

487834 (2015 TN77)          Discovered 2008-Mar-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TN77 = 2010 TA21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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