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312825 (2011 SH135)
Classification: Main-belt Asteroid          SPK-ID: 2312825
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07373095752204892 8.2383e-08  
a 3.069605923679373 3.8055e-08 au
q 2.843280939711139 2.5637e-07 au
i 10.79865528098268 9.6052e-06 deg
node 188.8685282499491 3.6387e-05 deg
peri 183.1123476260671 6.4542e-05 deg
M 223.2517342179671 5.5708e-05 deg
tp 2459746.676710688538
(2022-Jun-16.17671069)
0.00031208 TDB
period 1964.365795146834
5.38
3.6529e-05
1e-07
d
yr
n .1832652558344361 3.408e-09 deg/d
Q 3.295930907647606 4.0861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      8955 days (24.52 yr)  
   first obs. used      1995-10-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:28:36  

Additional Information
 Earth MOID = 1.84315 au 
 Jupiter MOID = 2.11128 au 
 T_jup = 3.200 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457458.5 (2016-Mar-11.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07348600137984276 8.2422e-08  
q 2.845351373159259 2.5627e-07 au
tp 2457787.031460718247
(2017-Feb-02.53146072)
0.00029278 TDB
node 188.8833455804242 3.6384e-05 deg
peri 184.0471224318566 6.4633e-05 deg
i 10.79755760173815 9.6045e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      8955 days (24.52 yr)  
   first obs. used      1995-10-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:28:36  

Additional Information
 Jupiter MOID = 2.11128 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.793384949780442E-15 -2.092061630931372E-14 1.338364241574403E-12 -4.662520665438338E-14 3.081774111509117E-13 -1.434232170822106E-14
q -2.092061630931372E-14 6.567221106022544E-14 1.114747173281532E-12 1.511661064502236E-13 -3.678268605158187E-14 4.823916129586951E-14
tp 1.338364241574403E-12 1.114747173281532E-12 8.571812290063725E-8 4.083664459257793E-11 1.567788467548052E-8 -1.254721044979274E-11
node -4.662520665438338E-14 1.511661064502236E-13 4.083664459257793E-11 1.323803827305963E-9 -1.292569319696897E-9 3.252241461651668E-11
peri 3.081774111509117E-13 -3.678268605158187E-14 1.567788467548052E-8 -1.292569319696897E-9 4.177390719622552E-9 -3.418400290811915E-11
i -1.434232170822106E-14 4.823916129586951E-14 -1.254721044979274E-11 3.252241461651668E-11 -3.418400290811915E-11 9.224650932670833E-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 16.2   n/a MPO434005  

312825 (2011 SH135)          Discovered 1995-Oct-21 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 SH135 = 1995 UM76 = 2010 GX169 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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