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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0389936562548838 6.0934e-08  
a 3.220779637201967 3.066e-08 au
q 3.095189663156184 1.9917e-07 au
i 7.145690573304238 7.3383e-06 deg
node 202.8170376263648 4.0171e-05 deg
peri 211.6626963440483 8.7605e-05 deg
M 52.68531240770913 7.7353e-05 deg
tp 2458691.522394315665
(2019-Jul-27.02239432)
0.00045329 TDB
period 2111.251370886524
5.78
3.0147e-05
8.254e-08
d
yr
n .1705149869713687 2.4348e-09 deg/d
Q 3.34636961124775 3.1855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      9744 days (26.68 yr)  
   first obs. used      1993-04-24  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:50:26  

Additional Information
 Earth MOID = 2.10787 au 
 Jupiter MOID = 1.83598 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456856.5 (2014-Jul-18.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03532494221517839 5.9659e-08  
q 3.109535642063318 1.9331e-07 au
tp 2456598.892707583306
(2013-Nov-02.39270758)
0.00050937 TDB
node 203.0713756508428 4.0335e-05 deg
peri 214.7700894058927 9.634e-05 deg
i 7.126829551198623 7.3237e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      9744 days (26.68 yr)  
   first obs. used      1993-04-24  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:50:26  

Additional Information
 Jupiter MOID = 1.83598 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.559158739655053E-15 -1.139557264060958E-14 -1.157020717032385E-11 9.160402089773262E-15 -2.059456175743785E-12 -1.786537855701374E-15
q -1.139557264060958E-14 3.737033717967203E-14 3.631374920864125E-11 -2.200820505124746E-14 6.481306101086159E-12 4.423722425585282E-15
tp -1.157020717032385E-11 3.631374920864125E-11 2.594552745086672E-7 -2.717983884404912E-11 4.458450620894681E-8 -2.389790779725282E-11
node 9.160402089773262E-15 -2.200820505124746E-14 -2.717983884404912E-11 1.626912125105721E-9 -1.618600051630937E-9 -2.328738391983908E-11
peri -2.059456175743785E-12 6.481306101086159E-12 4.458450620894681E-8 -1.618600051630937E-9 9.281443344692384E-9 1.885538577124207E-11
i -1.786537855701374E-15 4.423722425585282E-15 -2.389790779725282E-11 -2.328738391983908E-11 1.885538577124207E-11 5.363625672481173E-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. 2019-August); 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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