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216433 Milianleo (2009 DM3)
Classification: Main-belt Asteroid          SPK-ID: 2216433
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319422330054277 5.2912e-08  
a 2.740989382150404 2.5128e-08 au
q 2.379337122425312 1.3973e-07 au
i 3.348051784236401 5.6136e-06 deg
node 12.03929513019687 9.0348e-05 deg
peri 200.4485649055095 9.2923e-05 deg
M 184.5367341329062 2.4468e-05 deg
tp 2460008.373131472141
(2023-Mar-04.87313147)
0.00011861 TDB
period 1657.522592508142
4.54
2.2793e-05
6.24e-08
d
yr
n .2171916097114867 2.9866e-09 deg/d
Q 3.102641641875496 2.8443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      2000-04-05  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:47  

Additional Information
 Earth MOID = 1.3728 au 
 Jupiter MOID = 1.86511 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457864.5 (2017-Apr-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313937604687559 5.3131e-08  
q 2.38142368193692 1.402e-07 au
tp 2458353.073757620291
(2018-Aug-22.57375762)
0.00010724 TDB
node 12.11553900160982 9.0243e-05 deg
peri 200.9421963581293 9.2811e-05 deg
i 3.349991176945022 5.6157e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      2000-04-05  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:47  

Additional Information
 Jupiter MOID = 1.86511 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.822869677211156E-15 -7.36705297675065E-15 7.214041303569364E-13 -7.298838177908016E-16 6.227458737880012E-14 -1.084391505093855E-15
q -7.36705297675065E-15 1.96566995500901E-14 -1.031893121455133E-12 -3.061150192204726E-15 -1.420799618977007E-14 3.01154306369334E-15
tp 7.214041303569364E-13 -1.031893121455133E-12 1.150043482814122E-8 -1.015844433848981E-11 2.346876192656461E-9 -3.639579442526777E-12
node -7.298838177908016E-16 -3.061150192204726E-15 -1.015844433848981E-11 8.143728722529106E-9 -8.131129056230055E-9 -1.706509285656112E-11
peri 6.227458737880012E-14 -1.420799618977007E-14 2.346876192656461E-9 -8.131129056230055E-9 8.613801798443593E-9 1.630096201573069E-11
i -1.084391505093855E-15 3.01154306369334E-15 -3.639579442526777E-12 -1.706509285656112E-11 1.630096201573069E-11 3.153571334340238E-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 16.62   n/a MPCxxxxx  

216433 Milianleo           Discovered 2009 Feb. 19 by E. Schwab at Tzec Maun.
Milian Leo Schwab (b. 2004) is the first-born son of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

[ show close-approach data ]
Alternate Designations
 2009 DM3 = 2000 GE16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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