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15214 (1981 DY)
Classification: Main-belt Asteroid          SPK-ID: 2015214
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1445072315893421 3.996e-08  
a 2.779699819081268 1.2159e-08 au
q 2.378013093576439 1.0941e-07 au
i 6.258801139018046 3.5475e-06 deg
node 284.8326849789012 3.8254e-05 deg
peri 326.7249525440259 4.0331e-05 deg
M 189.9424035078787 1.3986e-05 deg
tp 2460196.129505956772
(2023-Sep-08.62950596)
6.7703e-05 TDB
period 1692.759559598825
4.63
1.1106e-05
3.041e-08
d
yr
n .2126704870509301 1.3954e-09 deg/d
Q 3.181386544586096 1.3916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1473  
   data-arc span      24297 days (66.52 yr)  
   first obs. used      1954-07-03  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:57:59  

Additional Information
 Earth MOID = 1.36659 au 
 Jupiter MOID = 1.89163 au 
 T_jup = 3.310 
[ 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 14.17   n/a MPO636293  
diameter diameter 8.584 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15214 (1981 DY)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ 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
1965-Oct-25 21:06 00:01 Jupiter 1.94984279962931 1.94984227178073 1.94984332747799 2.83511647111958 2.67751271295823 2439059.379293222 1.00077961437953 70.8632806483283 18.2776525655972 87.1725781368302 3265325.06361869 T 32 CATAB v2.0g-lin.ifort 2021-Aug-25 13:58:08 2021-Aug-25 13:58
1988-Jul-28 16:03 < 00:01 Jupiter 1.89550399067203 1.8955036263919 1.89550435495206 2.3313299695627 2.13105184393744 2447371.168789707 0.567130261736319 43.841698569409 15.2030581407162 -78.3154538465313 2737762.43225095 T 32 CATAB v2.0g-lin.ifort 2021-Aug-25 13:58:08 2021-Aug-25 13:58
2072-Jul-01 05:14 00:01 Jupiter 1.927286793922 1.92728644439029 1.92728714345371 2.77329514786815 2.61001662214367 2478024.717993306 1.09552964475075 75.7498743182549 13.3616080123349 -87.4843011097826 3466294.02766646 T 32 CATAB v2.0g-lin.ifort 2021-Aug-25 13:58:08 2021-Aug-25 13:58
2095-Apr-05 02:22 00:02 Jupiter 1.90775623011577 1.90775572885254 1.90775673137933 2.37650582850888 2.18169709989753 2486337.598938878 1.59931094448184 74.6796685942909 14.0595070301515 -76.0565572961693 2735592.40013246 T 32 CATAB v2.0g-lin.ifort 2021-Aug-25 13:58:08 2021-Aug-25 13:58
2179-Mar-09 04:12 00:03 Jupiter 1.91107888179079 1.91107827263014 1.91107949095524 2.72772757741684 2.56009060008127 2516990.674799330 3.16107830919712 180.351297513421 15.759375603645 87.3452763933058 3365107.04075225 T 32 CATAB v2.0g-lin.ifort 2021-Aug-25 13:58:08 2021-Aug-25 13:58

Alternate Designations
 1981 DY = 1954 NC1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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