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136678 (1995 SG25)
Classification: Main-belt Asteroid          SPK-ID: 2136678
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357934104497514 5.2499e-08  
a 2.344180434807916 1.7812e-08 au
q 2.025856178855768 1.1855e-07 au
i 2.940525770694776 6.8475e-06 deg
node 71.71006988339869 0.00012415 deg
peri 31.11862986170774 0.00012883 deg
M 127.8200298432508 3.8512e-05 deg
tp 2458135.041038689712
(2018-Jan-16.54103869)
0.00013692 TDB
period 1310.946541611619
3.59
1.4942e-05
4.091e-08
d
yr
n .2746107400820724 3.1299e-09 deg/d
Q 2.662504690760064 2.0231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      8736 days (23.92 yr)  
   first obs. used      1995-09-19  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63412  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:28:09  

Additional Information
 Earth MOID = 1.04356 au 
 Jupiter MOID = 2.4652 au 
 T_jup = 3.548 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO432828  

136678 (1995 SG25)          Discovered 1995-Sep-19 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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Alternate Designations
 1995 SG25 = 2004 EM84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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