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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952822710420603 3.3069e-08  
a 3.094490445326429 1.9844e-08 au
q 2.490191323445128 9.9462e-08 au
i 3.055331145266593 4.9444e-06 deg
node 16.61882427034402 6.7447e-05 deg
peri 255.1202872232146 6.8672e-05 deg
M 104.5807236266118 1.2651e-05 deg
tp 2458422.894542838361
(2018-Oct-31.39454284)
6.9602e-05 TDB
period 1988.301068948405
5.44
1.9126e-05
5.236e-08
d
yr
n .1810590989574837 1.7416e-09 deg/d
Q 3.698789567207731 2.3719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1047  
   data-arc span      8976 days (24.57 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:49:01  

Additional Information
 Earth MOID = 1.47624 au 
 Jupiter MOID = 1.4373 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457310.5 (2015-Oct-15.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1963468252440385 3.2703e-08  
q 2.485598912191382 9.8332e-08 au
tp 2456438.301672048742
(2013-May-25.80167205)
7.2432e-05 TDB
node 16.65756633812861 6.7328e-05 deg
peri 255.5918865460503 6.8559e-05 deg
i 3.059821229666431 4.9482e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1047  
   data-arc span      8976 days (24.57 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:49:01  

Additional Information
 Jupiter MOID = 1.4373 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.069478800922792E-15 -3.175436064967564E-15 -4.960518567209462E-13 4.098014416411186E-15 -9.617024534364529E-14 1.330321602582315E-16
q -3.175436064967564E-15 9.669234575940042E-15 1.209291257592554E-12 -1.325162580459583E-14 2.614294395239818E-13 -2.673376946038122E-16
tp -4.960518567209462E-13 1.209291257592554E-12 5.246430492608057E-9 -1.601907048391251E-11 9.443659337206985E-10 6.919005767362314E-13
node 4.098014416411186E-15 -1.325162580459583E-14 -1.601907048391251E-11 4.533009112655803E-9 -4.529127764508792E-9 4.648092834909333E-12
peri -9.617024534364529E-14 2.614294395239818E-13 9.443659337206985E-10 -4.529127764508792E-9 4.700357621104506E-9 -4.50797806364197E-12
i 1.330321602582315E-16 -2.673376946038122E-16 6.919005767362314E-13 4.648092834909333E-12 -4.50797806364197E-12 2.448498753296904E-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 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 1.52471743801251 1.52471567555891 1.52471920046611 0.937590982587733 n/a 2417579.977793708 3.80817561083231 87.898631252395 50.5624604105408 1.1668743877037 2595243.01828601 F 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:49:03 2020-Dec-17 22:49
1916-Nov-01 13:59 00:04 Jupiter 1.65756222589239 1.65756031130243 1.65756414049818 1.96803926392448 1.6885403839191 2421169.082573922 3.49815333067303 335.843956867062 32.7116319044598 77.8607144378966 1962963.60325988 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:49:03 2020-Dec-17 22:49
1977-Sep-25 10:45 00:01 Jupiter 1.44696864089047 1.44696814725841 1.44696913452256 0.766088564516571 n/a 2443411.947701778 1.28317306720024 43.7949808535631 23.7193814477967 79.7025896210598 9019376.05940584 F 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:49:03 2020-Dec-17 22:49
1987-Jul-21 23:27 < 00:01 Jupiter 1.83569209079174 1.83569143579932 1.83569274578437 2.8471749210154 2.68021786165275 2446998.477329088 0.914564064066909 66.5214861559295 13.0847630288502 -79.0248243089288 2481083.50192056 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:49:03 2020-Dec-17 22:49
2038-Aug-17 20:41 < 00:01 Jupiter 1.82877998223724 1.82877931534935 1.82878064912462 1.95937279251386 1.70669754594954 2465653.361608030 0.823050537492415 62.3364203363105 19.7536099440259 -86.757371562441 1737386.24891248 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:49:03 2020-Dec-17 22:49
2048-Jun-21 09:37 00:01 Jupiter 1.45236994054146 1.45236937454415 1.45237050653886 0.881483681510976 n/a 2469248.900952411 1.20783299975451 46.6042941700093 24.4684346937285 69.2273982353701 8462595.71178884 F 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:49:03 2020-Dec-17 22:49
2109-May-06 06:36 00:03 Jupiter 1.6495135705559 1.64951170243248 1.64951543868785 1.34816498134738 0.88912996455113 2491481.775237019 3.34115589208404 795.089375106214 111.954656579124 -30.0806396297236 1701763.94533388 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:49:03 2020-Dec-17 22:49
2119-Mar-08 20:17 00:04 Jupiter 1.54224537226307 1.54224355044472 1.5422471941078 1.30892099155831 0.784121461057078 2495075.345345841 3.80341251992888 1650.58060930015 189.118610999919 21.1634761606737 1187065.25275573 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:49:03 2020-Dec-17 22:49
2180-Jan-17 09:41 00:06 Jupiter 1.5163338409468 1.51633186332894 1.51633581856472 0.947074182690587 n/a 2517304.903463564 5.63000759716449 100.287305070655 58.5951426078072 -12.9459122449521 2368086.10034804 F 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:49:03 2020-Dec-17 22:49
2189-Nov-15 01:43 00:06 Jupiter 1.6903257923687 1.69032213308944 1.69032945166824 2.03744567196452 1.7745378432401 2520894.571430197 6.1375154917764 455.024663190354 24.4427754882959 75.8009324506944 1894628.09125142 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:49:03 2020-Dec-17 22:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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