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43736 (1981 DL2)
Classification: Main-belt Asteroid          SPK-ID: 2043736
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178253224646448 3.505e-08  
a 2.263896942206841 8.3465e-09 au
q 1.997152554964597 7.8533e-08 au
i 8.323425025196814 4.7752e-06 deg
node 321.5934231774143 2.5572e-05 deg
peri 293.719216419285 3.2423e-05 deg
M 181.8347634150605 2.1021e-05 deg
tp 2459816.249225584325
(2022-Aug-24.74922558)
7.3515e-05 TDB
period 1244.180545314613
3.41
6.8805e-06
1.884e-08
d
yr
n .2893470737472171 1.6001e-09 deg/d
Q 2.530641329449086 9.3299e-09 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      14611 days (40.00 yr)  
   first obs. used      1981-02-09  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:02  

Additional Information
 Earth MOID = .997446 au 
 Jupiter MOID = 2.56577 au 
 T_jup = 3.595 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.85   n/a MPCxxxxx  

43736 (1981 DL2)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 DL2 = 1998 GM11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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