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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03899364641411338 6.2834e-08  
a 3.220779638661471 3.2422e-08 au
q 3.095189696253729 2.0787e-07 au
i 7.145700707178595 7.8879e-06 deg
node 202.8170532641256 4.0827e-05 deg
peri 211.6625771769168 9.2827e-05 deg
M 52.68541023505836 8.3877e-05 deg
tp 2458691.521820388629
(2019-Jul-27.02182039)
0.000491 TDB
period 2111.251372321602
5.78
3.1879e-05
8.728e-08
d
yr
n .1705149868554648 2.5747e-09 deg/d
Q 3.346369581069212 3.3686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      9722 days (26.62 yr)  
   first obs. used      1993-04-24  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55355  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:04:40  

Additional Information
 Earth MOID = 2.10787 au 
 Jupiter MOID = 1.83598 au 
 T_jup = 3.176 
[ show covariance matrix ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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