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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364404514344298 5.2479e-08  
a 2.343006143825067 1.7937e-08 au
q 2.023325327847932 1.1831e-07 au
i 2.938530865528452 6.8407e-06 deg
node 71.68606293366078 0.00012433 deg
peri 31.53869068931385 0.00012894 deg
M 237.1927479949346 3.9099e-05 deg
tp 2459447.368848413560
(2021-Aug-20.86884841)
0.00014563 TDB
period 1309.961608963012
3.59
1.5043e-05
4.119e-08
d
yr
n .2748172141357502 3.1558e-09 deg/d
Q 2.662686959802202 2.0384e-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 = 1.04089 au 
 Jupiter MOID = 2.46259 au 
 T_jup = 3.549 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456850.5 (2014-Jul-12.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365620359410334 5.2505e-08  
q 2.023523702194892 1.1878e-07 au
tp 2456825.060283366164
(2014-Jun-16.56028337)
0.00012743 TDB
node 71.73065066790464 0.00012412 deg
peri 31.0773958805518 0.00012875 deg
i 2.941205474385143 6.849e-06 deg
  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
 Jupiter MOID = 2.46259 au 
 T_jup = 3.549 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.756792016493739E-15 -6.190239342648031E-15 -3.590898747576961E-13 -9.687367350106411E-15 -1.841843465297548E-13 5.994068671390581E-16
q -6.190239342648031E-15 1.41087335348654E-14 1.894407844396493E-12 2.117086118805551E-14 7.008970626269179E-13 -1.588042055600095E-15
tp -3.590898747576961E-13 1.894407844396493E-12 1.623819158025455E-8 1.370402405309983E-11 4.401292686138734E-9 -6.49900824309392E-12
node -9.687367350106411E-15 2.117086118805551E-14 1.370402405309983E-11 1.540587932880074E-8 -1.538030019425542E-8 -3.455899772661172E-10
peri -1.841843465297548E-13 7.008970626269179E-13 4.401292686138734E-9 -1.538030019425542E-8 1.657782118370782E-8 3.433619827961845E-10
i 5.994068671390581E-16 -1.588042055600095E-15 -6.49900824309392E-12 -3.455899772661172E-10 3.433619827961845E-10 4.690914288217759E-11

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

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