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72458 (2001 DA16)
Classification: Main-belt Asteroid          SPK-ID: 2072458
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09166103939119546 3.6057e-08  
a 2.650177496497888 1.3394e-08 au
q 2.407259472597735 9.4316e-08 au
i 13.27981241799939 3.8941e-06 deg
node 117.9801285696492 2.1458e-05 deg
peri 185.5330425063408 3.4943e-05 deg
M 115.3004356331926 2.7378e-05 deg
tp 2458891.793012824809
(2020-Feb-12.29301282)
0.00011976 TDB
period 1575.835463112185
4.31
1.1946e-05
3.271e-08
d
yr
n .2284502465054445 1.7318e-09 deg/d
Q 2.89309552039804 1.4621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      778  
   data-arc span      8237 days (22.55 yr)  
   first obs. used      1998-06-20  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:52:34  

Additional Information
 Earth MOID = 1.39159 au 
 Jupiter MOID = 2.32421 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457716.5 (2016-Nov-24.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09217980328353383 3.6006e-08  
q 2.406473991399932 9.44e-08 au
tp 2457319.303055276721
(2015-Oct-23.80305528)
0.00011994 TDB
node 118.0141086740128 2.1484e-05 deg
peri 186.3779797599344 3.4875e-05 deg
i 13.27124958218134 3.891e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      778  
   data-arc span      8237 days (22.55 yr)  
   first obs. used      1998-06-20  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:52:34  

Additional Information
 Jupiter MOID = 2.32421 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.296407007912313E-15 -3.370963321927345E-15 1.017318880598795E-12 4.59869262522026E-15 2.042013782639044E-13 -2.25313397341207E-15
q -3.370963321927345E-15 8.911434205313173E-15 -2.869642511274162E-12 -1.019895926708197E-14 -5.759610673400999E-13 6.321027656291278E-15
tp 1.017318880598795E-12 -2.869642511274162E-12 1.43860053325769E-8 4.357430089604649E-11 3.32605573637079E-9 -1.067613919039341E-11
node 4.59869262522026E-15 -1.019895926708197E-14 4.357430089604649E-11 4.615625190806565E-10 -4.388275661349697E-10 1.910436751646238E-11
peri 2.042013782639044E-13 -5.759610673400999E-13 3.32605573637079E-9 -4.388275661349697E-10 1.216248489075684E-9 -2.102976332942511E-11
i -2.25313397341207E-15 6.321027656291278E-15 -1.067613919039341E-11 1.910436751646238E-11 -2.102976332942511E-11 1.514006635418459E-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 15.33   n/a MPO637037  
diameter diameter 5.184 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72458 (2001 DA16)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 DA16 = 2002 LO41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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