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216500 (2000 DD118)
Classification: Main-belt Asteroid          SPK-ID: 2216500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314662234913472 7.013e-08  
a 2.565075998419999 1.4655e-08 au
q 2.227855143939425 1.8434e-07 au
i 12.52325027170221 4.7963e-06 deg
node 149.110376464573 3.2726e-05 deg
peri 89.64497039960072 3.9608e-05 deg
M 352.4640110825674 2.0624e-05 deg
tp 2459427.911344989051
(2021-Aug-01.41134499)
8.5971e-05 TDB
period 1500.544164800989
4.11
1.286e-05
3.521e-08
d
yr
n .2399129652060227 2.0561e-09 deg/d
Q 2.902296852900573 1.6582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      10165 days (27.83 yr)  
   first obs. used      1993-08-14  
   last obs. used      2021-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:33:48  

Additional Information
 Earth MOID = 1.25922 au 
 Jupiter MOID = 2.20593 au 
 T_jup = 3.387 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457975.5 (2017-Aug-10.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321380660759043 7.0211e-08  
q 2.226252453924422 1.8475e-07 au
tp 2457925.603811967845
(2017-Jun-21.10381197)
8.5781e-05 TDB
node 149.1326324874533 3.2731e-05 deg
peri 89.31441466056803 3.9501e-05 deg
i 12.52255162911794 4.7965e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      10165 days (27.83 yr)  
   first obs. used      1993-08-14  
   last obs. used      2021-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:33:48  

Additional Information
 Jupiter MOID = 2.20593 au 
 T_jup = 3.387 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.929616033086137E-15 -1.294404743436625E-14 -2.892373270130755E-12 -1.899829282863311E-14 -6.778653830774275E-13 -4.396757862573662E-14
q -1.294404743436625E-14 3.413206072525093E-14 7.29282659628628E-12 4.702694246968213E-14 1.703878607088799E-12 1.156545659009638E-13
tp -2.892373270130755E-12 7.29282659628628E-12 7.358301546374079E-9 1.504644605386861E-11 1.965522060255215E-9 3.353368785118173E-11
node -1.899829282863311E-14 4.702694246968213E-14 1.504644605386861E-11 1.071318820976752E-9 -1.042550749415958E-9 8.866751560745181E-11
peri -6.778653830774275E-13 1.703878607088799E-12 1.965522060255215E-9 -1.042550749415958E-9 1.560304590470002E-9 -7.83348826320245E-11
i -4.396757862573662E-14 1.156545659009638E-13 3.353368785118173E-11 8.866751560745181E-11 -7.83348826320245E-11 2.30066353239374E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.16   n/a MPO638139  
diameter diameter 3.110 km 0.545 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216500 (2000 DD118)          Discovered 2000-Feb-26 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

Alternate Designations
 2000 DD118 = 2004 BR88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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