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295719 (2008 UD40)
Classification: Outer Main-belt Asteroid          SPK-ID: 2295719
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .202240240957815 7.8939e-08  
a 3.923737106110141 8.4299e-08 au
q 3.130199568315306 2.9369e-07 au
i 1.762882704288348 8.2911e-06 deg
node 280.3658061107022 0.00029461 deg
peri 161.5840898487569 0.00029581 deg
M 154.4448960745773 2.4232e-05 deg
tp 2457782.578381976633
(2017-Jan-29.07838198)
0.00018022 TDB
period 2838.888131833736
7.77
9.1488e-05
2.505e-07
d
yr
n .1268102099421098 4.0867e-09 deg/d
Q 4.717274643904975 1.0135e-07 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      6295 days (17.23 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:41:58  

Additional Information
 Earth MOID = 2.1462 au 
 Jupiter MOID = .544354 au 
 T_jup = 3.026 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457546.5 (2016-Jun-07.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2044491052132556 7.8871e-08  
q 3.12043174483021 2.9351e-07 au
tp 2457783.797177675629
(2017-Jan-30.29717768)
0.00017786 TDB
node 280.399545200787 0.00029499 deg
peri 161.3821133712676 0.00029614 deg
i 1.762141789289568 8.2892e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      6295 days (17.23 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:41:58  

Additional Information
 Jupiter MOID = .544354 au 
 T_jup = 3.026 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.220679202550772E-15 -2.259076995637576E-14 -2.097158114997196E-12 -5.152511403814902E-14 -4.78538020225828E-13 -6.168205304090532E-16
q -2.259076995637576E-14 8.614847671635111E-14 9.789904584725481E-12 1.914763427483922E-13 1.971559705689639E-12 2.633365564925193E-15
tp -2.097158114997196E-12 9.789904584725481E-12 3.163401578171544E-8 6.08145309170303E-11 4.769880121378862E-9 -1.371033520989286E-12
node -5.152511403814902E-14 1.914763427483922E-13 6.08145309170303E-11 8.702113167843298E-8 -8.696871741952591E-8 8.123684599414031E-11
peri -4.78538020225828E-13 1.971559705689639E-12 4.769880121378862E-9 -8.696871741952591E-8 8.770089640769385E-8 -8.136528348942399E-11
i -6.168205304090532E-16 2.633365564925193E-15 -1.371033520989286E-12 8.123684599414031E-11 -8.136528348942399E-11 6.871003821286633E-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 15.8   n/a MPO437321  
diameter diameter 4.390 km 0.437 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.033   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

295719 (2008 UD40)          Discovered 2008-Oct-20 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1909-Feb-20 04:31 00:04 Jupiter 1.73246994027754 1.73246782105663 1.73247205949863 3.45980335310738 3.31548164019214 2418357.687944307 3.82185126066788 138.890742610938 65.5848571851086 63.8396223554631 954100.098411146 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42
1932-Nov-28 11:43 00:05 Jupiter 1.76537220607408 1.76536936247443 1.76537504967424 3.49569169408834 3.35563166879592 2427039.988465085 5.326801702412 172.009481584965 67.0821023222254 55.9257122619832 774423.577940434 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42
1956-Jan-23 04:04 00:05 Jupiter 1.91349944086494 1.91349733520632 1.91350154652378 4.23454820835372 4.12869059129221 2435495.669184504 5.0414563465778 127.918899924119 66.564570536505 55.9808872873378 903815.546813264 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42
2001-Aug-29 01:55 00:01 Jupiter 1.9933047078209 1.99330384647293 1.99330556916876 5.27036115420473 5.18910773872428 2452150.579905259 1.48316982111827 78.926530643845 40.5231925617009 89.6037837247407 2447945.86312341 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42
2024-Jul-17 08:06 00:01 Jupiter 1.86166744816783 1.86166628913215 1.86166860720341 4.80379693268122 4.70813167099368 2460508.837581976 1.0490202304148 78.9113486575739 52.9354483365399 84.1521077234043 1689322.89200487 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42
2047-Oct-11 04:21 00:03 Jupiter 1.71987675151681 1.71987471433178 1.71987878870243 4.20215974130914 4.08327883073405 2468994.681142083 3.47826039838478 133.613077081907 64.362221223632 57.9733717871545 1093394.57908955 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42
2071-Aug-18 18:50 00:05 Jupiter 1.70678873307385 1.70678635683212 1.70679110931704 4.21814455082846 4.09880591516949 2477707.284842932 4.55823705092467 162.533064629934 65.9811968355778 56.455181241268 1087000.79695425 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42
2096-Jan-02 23:59 00:04 Jupiter 1.7791635415679 1.77916166703955 1.77916541609666 4.53055130540423 4.42422162649949 2486610.499290835 4.1139086751428 127.620617108663 68.373547040068 60.8564913802991 1256473.53195853 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42
2120-Jul-27 18:14 00:04 Jupiter 1.80149281179704 1.80149118061227 1.80149444298161 4.42489450517743 4.31732962932204 2495582.260027536 3.71523482375851 91.6767647525045 74.0246796477685 81.9781827503595 1221595.40695968 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42
2145-Jan-16 12:44 00:04 Jupiter 1.76192858024265 1.76192656614357 1.76193059434113 3.93098072645119 3.80672266542498 2504521.030886618 4.06738520721892 91.5238855624409 83.6191648261084 -58.2004218594796 828532.95816014 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42
2169-Jan-29 06:22 00:04 Jupiter 1.7450207011323 1.74501833729608 1.74502306496732 3.66658029721858 3.53171674224661 2513299.765009190 4.16081465964514 96.5764965387229 91.8588684410501 -30.8326294478581 650658.378278258 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42
2192-Jun-18 14:22 00:03 Jupiter 1.85973691742435 1.85973514803812 1.85973868681027 4.20715735206598 4.09747083525565 2521841.098625909 2.68633842468317 91.666753924797 73.7367052158738 -64.9725158314191 974224.42923499 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 16:42:04 2020-Feb-25 16:42

Alternate Designations
 2008 UD40 = 2007 RT78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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