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123917 (2001 DY97)
Classification: Main-belt Asteroid          SPK-ID: 2123917
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952822708402029 3.307e-08  
a 3.094490447235834 2.0075e-08 au
q 2.490191325606305 9.9517e-08 au
i 3.055331852714359 5.0444e-06 deg
node 16.61881690307332 6.8251e-05 deg
peri 255.1202925628928 6.9541e-05 deg
M 104.5807250253436 1.2854e-05 deg
tp 2458422.894534578480
(2018-Oct-31.39453458)
7.0885e-05 TDB
period 1988.301070788678
5.44
1.9348e-05
5.297e-08
d
yr
n .1810590987899044 1.7619e-09 deg/d
Q 3.698789568865363 2.3995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      8956 days (24.52 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:31:34  

Additional Information
 Earth MOID = 1.47624 au 
 Jupiter MOID = 1.4373 au 
 T_jup = 3.192 
[ 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 14.4   n/a MPO502812  
diameter diameter 8.169 km 0.287 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123917 (2001 DY97)          Discovered 2001-Feb-17 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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
1907-Jan-04 11:28 00:04 Jupiter 1.52471740338523 1.52471562705211 1.52471917971836 0.93759086830913 n/a 2417579.977713190 3.85169862975735 88.5938472165132 51.466064297281 1.30810954594735 2575114.7858775 F 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:36 2020-Nov-12 17:31
1916-Nov-01 13:59 00:04 Jupiter 1.65756226820894 1.65756034416664 1.65756419226746 1.9680395710305 1.68854074958541 2421169.082495799 3.53732196968406 338.311784763568 32.8917090804381 77.8530014526222 1957296.03751614 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:36 2020-Nov-12 17:31
1977-Sep-25 10:45 00:01 Jupiter 1.44696864182322 1.44696814414427 1.44696913950221 0.766088549123435 n/a 2443411.947682480 1.2948754789458 45.1606045952786 23.8361364001351 79.6232941378537 8971412.52199225 F 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:36 2020-Nov-12 17:31
1987-Jul-21 23:27 < 00:01 Jupiter 1.83569208510372 1.83569142903205 1.83569274117561 2.84717491603352 2.68021785582709 2446998.477314189 0.921756579993646 66.9884850820936 13.3987236351679 -79.3263722984143 2458764.82743417 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:36 2020-Nov-12 17:31
2038-Aug-17 20:41 < 00:01 Jupiter 1.82878002605185 1.82877933141319 1.82878072069 1.95937302983019 1.70669782490218 2465653.361636227 0.840510313835262 63.0735047891715 20.3626207937864 -86.9733492618178 1668502.15752393 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:36 2020-Nov-12 17:31
2048-Jun-21 09:37 00:01 Jupiter 1.45236992868112 1.45236935140335 1.45237050595899 0.881483554164787 n/a 2469248.900994348 1.23013441917081 47.9183539048875 24.8293556493937 69.1816082742212 8333664.82920436 F 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:36 2020-Nov-12 17:31
2109-May-06 06:36 00:03 Jupiter 1.64951365766969 1.6495117479084 1.64951556744018 1.34816524859558 0.889130400273011 2491481.775315964 3.39377161390633 813.592989081708 115.111157409664 -30.1477073562342 1663330.43840602 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:36 2020-Nov-12 17:31
2119-Mar-08 20:17 00:04 Jupiter 1.5422453024938 1.54224344148291 1.54224716353222 1.30892069424457 0.784120933069938 2495075.345435534 3.86233871186761 1683.19539175491 189.294312310671 21.2031947045067 1185855.14441631 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:36 2020-Nov-12 17:31
2180-Jan-17 09:41 00:06 Jupiter 1.5163339254756 1.51633191269579 1.51633593825546 0.947074493687311 n/a 2517304.903611270 5.71230903073031 102.02877878396 58.9112075696093 -12.7096636062696 2327614.18520808 F 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:36 2020-Nov-12 17:31
2189-Nov-15 01:43 00:06 Jupiter 1.69032565289248 1.69032192572987 1.69032938007604 2.03744506828844 1.77453712682524 2520894.571568919 6.22692256963637 462.61906740042 24.4456943049547 75.7924968202013 1887801.05052482 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:31:36 2020-Nov-12 17:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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