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437827 (2015 DW216)
Classification: Main-belt Asteroid          SPK-ID: 2437827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2003794814471718 5.1136e-08  
a 3.038878881350424 3.82e-08 au
q 2.429949906924664 1.5147e-07 au
i 12.84264155374019 5.3903e-06 deg
node 178.0441134123629 2.2682e-05 deg
peri 289.7927780569891 2.6746e-05 deg
M 111.5429755402421 1.2542e-05 deg
tp 2458796.973701653222
(2019-Nov-09.47370165)
6.6653e-05 TDB
period 1934.944503313648
5.30
3.6485e-05
9.989e-08
d
yr
n .186051847680122 3.5081e-09 deg/d
Q 3.647807855776183 4.5855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2002-10-04  
   last obs. used      2021-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:56:05  

Additional Information
 Earth MOID = 1.48194 au 
 Jupiter MOID = 1.65826 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458412.5 (2018-Oct-21.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2006369583648482 5.1094e-08  
q 2.430368065841672 1.5156e-07 au
tp 2458797.739749748936
(2019-Nov-10.23974975)
6.6574e-05 TDB
node 178.0550025159924 2.2684e-05 deg
peri 290.0006977162462 2.6737e-05 deg
i 12.84081635429858 5.3896e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2002-10-04  
   last obs. used      2021-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:56:05  

Additional Information
 Jupiter MOID = 1.65826 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.6105623479084E-15 -7.592913307945158E-15 9.878259693297536E-14 -3.52606615931821E-14 -6.536163430807776E-14 -4.697787680965682E-15
q -7.592913307945158E-15 2.297157657580973E-14 -3.404247393644528E-13 1.051103449885127E-13 1.320877147364986E-13 1.550914993768622E-14
tp 9.878259693297536E-14 -3.404247393644528E-13 4.43209266204193E-9 -8.566810317349247E-12 9.601570842364247E-10 -1.028621323694263E-11
node -3.52606615931821E-14 1.051103449885127E-13 -8.566810317349247E-12 5.145489483407826E-10 -5.015093829291137E-10 -6.022863967698052E-12
peri -6.536163430807776E-14 1.320877147364986E-13 9.601570842364247E-10 -5.015093829291137E-10 7.148528877083987E-10 3.813898582923645E-12
i -4.697787680965682E-15 1.550914993768622E-14 -1.028621323694263E-11 -6.022863967698052E-12 3.813898582923645E-12 2.904734256282173E-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 16.19   n/a MPCxxxxx  
diameter diameter 4.326 km 1.444 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

437827 (2015 DW216)          Discovered 2007-Sep-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

[ 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
1937-Dec-06 11:23 00:06 Jupiter 1.71446279055724 1.71446138304588 1.71446419809345 2.09715697635946 1.84661217319319 2428873.974652542 5.6528539756015 466.430408856123 100.527613710081 -52.5441642526018 771968.261864323 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 07:56:06 2021-Jul-09 07:56
1986-Feb-18 05:40 00:02 Jupiter 1.67211159829634 1.67211095860964 1.67211223798618 3.1915594472121 3.02868527649678 2446479.736221185 1.96768873412411 243.174339726499 25.1322918762028 89.2923912903146 1725952.47175416 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 07:56:06 2021-Jul-09 07:56
2034-Apr-17 21:30 00:01 Jupiter 1.78118791516002 1.78118716069069 1.78118866963097 4.01104347328607 3.89068037438946 2464070.395865512 1.00800896915801 128.120828891577 23.4229439527098 78.8911781412894 2386772.83542527 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 07:56:06 2021-Jul-09 07:56
2043-Jun-19 18:03 00:02 Jupiter 1.948411221812 1.94840996442839 1.94841247918898 1.36112324617304 0.991567982187841 2467420.251749762 1.95889716351269 542.712031825258 76.9504476478464 -6.61062813704067 626906.369765361 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 07:56:06 2021-Jul-09 07:56
2091-Nov-05 01:22 00:05 Jupiter 1.75341526113365 1.75341301549457 1.75341750678418 1.82261145809677 1.53485253297963 2485090.557092791 5.19952828790839 458.892361882203 140.59490234275 -3.05131857468148 402696.570967177 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 07:56:06 2021-Jul-09 07:56
2140-Jan-29 15:26 00:07 Jupiter 1.63741470977462 1.63741366839328 1.63741575125416 2.94637003294405 2.76523257117756 2502707.142936043 7.28575674099152 805.06026195776 32.0448171643067 -82.4062563062896 1560325.7650102 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 07:56:06 2021-Jul-09 07:56
2188-Mar-23 20:28 00:10 Jupiter 1.67851714262919 1.67851336227564 1.67852092334789 3.68547514892701 3.54590977359588 2520293.352448442 10.1743060997032 1285.43157689424 22.4641297808763 83.2024240032681 2126053.77212981 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 07:56:06 2021-Jul-09 07:56

Alternate Designations
 2015 DW216 = 2010 AR131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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