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136725 (1995 UP40)
Classification: Outer Main-belt Asteroid          SPK-ID: 2136725
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03912035905898256 5.8098e-08  
a 3.220683645762502 2.8776e-08 au
q 3.09468934512488 1.8664e-07 au
i 7.146010862632174 6.8155e-06 deg
node 202.8065476265696 3.9639e-05 deg
peri 211.5517105995439 8.7074e-05 deg
M 86.89375085852279 7.6862e-05 deg
tp 2458690.926807718538
(2019-Jul-26.42680772)
0.00045032 TDB
period 2111.156986651513
5.78
2.8294e-05
7.746e-08
d
yr
n .1705226102446283 2.2854e-09 deg/d
Q 3.346677946400125 2.9902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      10129 days (27.73 yr)  
   first obs. used      1993-04-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:06:08  

Additional Information
 Earth MOID = 2.10642 au 
 Jupiter MOID = 1.8355 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457078.5 (2015-Feb-25.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03644355538885229 5.6601e-08  
q 3.107716575578395 1.8108e-07 au
tp 2456599.977266039356
(2013-Nov-03.47726604)
0.0004953 TDB
node 202.9162890317603 3.9751e-05 deg
peri 215.0523024499593 9.3947e-05 deg
i 7.131085414495955 6.8053e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      10129 days (27.73 yr)  
   first obs. used      1993-04-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:06:08  

Additional Information
 Jupiter MOID = 1.8355 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.203694106808554E-15 -1.01282487518099E-14 -1.08696441189536E-11 1.128748724720648E-14 -1.950702350700006E-12 -1.621196577383716E-15
q -1.01282487518099E-14 3.279145359782063E-14 3.402253338110864E-11 -3.63005256930524E-14 6.134305329130499E-12 2.315323083084903E-15
tp -1.08696441189536E-11 3.402253338110864E-11 2.453242645277025E-7 -4.776879671092619E-11 4.218005621883363E-8 -3.291774442653599E-11
node 1.128748724720648E-14 -3.63005256930524E-14 -4.776879671092619E-11 1.580173792660272E-9 -1.575874322726382E-9 -4.105131681178075E-11
peri -1.950702350700006E-12 6.134305329130499E-12 4.218005621883363E-8 -1.575874322726382E-9 8.826120474501198E-9 3.508355771468791E-11
i -1.621196577383716E-15 2.315323083084903E-15 -3.291774442653599E-11 -4.105131681178075E-11 3.508355771468791E-11 4.631275245499499E-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 15.1   n/a MPO453849  
diameter diameter 5.932 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.959 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.046   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136725 (1995 UP40)          Discovered 1995-Oct-23 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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