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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 ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03927107265843637 5.4714e-08  
a 3.220166427108264 2.6157e-08 au
q 3.093707037377038 1.7103e-07 au
i 7.1469941741536 6.1524e-06 deg
node 202.7996562381455 3.7769e-05 deg
peri 211.368871902071 8.5888e-05 deg
M 120.4973012705471 7.6308e-05 deg
tp 2458690.034882196401
(2019-Jul-25.53488220)
0.00044703 TDB
period 2110.648452103219
5.78
2.5716e-05
7.041e-08
d
yr
n .1705636955511313 2.0782e-09 deg/d
Q 3.346625816839491 2.7184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      10232 days (28.01 yr)  
   first obs. used      1993-04-24  
   last obs. used      2021-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:19:04  

Additional Information
 Earth MOID = 2.10575 au 
 Jupiter MOID = 1.83577 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457497.5 (2016-Apr-19.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03797140408343386 5.3857e-08  
q 3.097418895907134 1.676e-07 au
tp 2456590.230188725868
(2013-Oct-24.73018873)
0.00046885 TDB
node 202.826643037291 3.777e-05 deg
peri 213.092314889136 8.9249e-05 deg
i 7.146636485843935 6.153e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      10232 days (28.01 yr)  
   first obs. used      1993-04-24  
   last obs. used      2021-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:19:04  

Additional Information
 Jupiter MOID = 1.83577 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.900598422629744E-15 -8.933467019585051E-15 -1.011226291301324E-11 1.142682953486583E-14 -1.83899965419176E-12 -8.788350229463568E-16
q -8.933467019585051E-15 2.808810230300835E-14 3.177872533361905E-11 -3.038029829430964E-14 5.806708332922201E-12 2.643232073305785E-15
tp -1.011226291301324E-11 3.177872533361905E-11 2.19815657104925E-7 -4.533991351076088E-11 3.792659860952689E-8 -3.561413407081713E-11
node 1.142682953486583E-14 -3.038029829430964E-14 -4.533991351076088E-11 1.42655921630708E-9 -1.422502853899773E-9 -7.489646753306952E-11
peri -1.83899965419176E-12 5.806708332922201E-12 3.792659860952689E-8 -1.422502853899773E-9 7.965337819063341E-9 6.830659945909631E-11
i -8.788350229463568E-16 2.643232073305785E-15 -3.561413407081713E-11 -7.489646753306952E-11 6.830659945909631E-11 3.78590531362475E-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 15.22   n/a MPCxxxxx  
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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