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541385 (2011 GD40)
Classification: Main-belt Asteroid          SPK-ID: 2541385
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956883746317421 5.3391e-08  
a 3.059761600665488 4.221e-08 au
q 2.461001826270641 1.6218e-07 au
i 5.71060528741208 7.3806e-06 deg
node 134.2557907724986 8.2499e-05 deg
peri 162.3472191100122 8.5515e-05 deg
M 236.1668900804997 2.4073e-05 deg
tp 2460068.956337625430
(2023-May-04.45633763)
0.00013434 TDB
period 1954.923700959506
5.35
4.0453e-05
1.108e-07
d
yr
n .1841504094626847 3.8106e-09 deg/d
Q 3.658521375060336 5.047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      6730 days (18.43 yr)  
   first obs. used      2002-09-05  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56666  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:04  

Additional Information
 Earth MOID = 1.44547 au 
 Jupiter MOID = 1.57651 au 
 T_jup = 3.197 
[ show covariance matrix ]

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 16.55   .4248 MPCxxxxx autocmod 2.8

541385 (2011 GD40)          Discovered 2007-Aug-21 by LONEOS at Anderson Mesa
Reference: Last Updated: 2019-12-13

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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
1918-Dec-13 07:34 00:06 Jupiter 1.55398152602937 1.55398092446755 1.55398212759004 1.20428375800534 0.60013944075497 2421940.815569754 6.23867492059313 1627.23038803739 368.264367915277 2.17448598542045 826048.466022709 T 5 CATAB v2.0g-lin.ifort 2021-Apr-14 20:23:05 2021-Apr-14 20:23
1967-Aug-09 14:16 00:03 Jupiter 1.73440906829398 1.73440711947515 1.73441101712365 1.76749086459253 1.46536564131818 2439712.094330719 3.1623644860293 315.392333718159 101.057049612547 87.2649085950608 896468.262082714 T 5 CATAB v2.0g-lin.ifort 2021-Apr-14 20:23:05 2021-Apr-14 20:23
1976-Dec-16 03:45 00:03 Jupiter 1.76526468546683 1.76526324847534 1.76526612245921 1.98368060427842 1.72491558445057 2443128.656543150 2.67572017128543 189.523465191219 22.3848908738389 72.6529317251617 1247378.94340745 T 5 CATAB v2.0g-lin.ifort 2021-Apr-14 20:23:05 2021-Apr-14 20:23
2025-Aug-31 21:05 < 00:01 Jupiter 1.56304944719157 1.56304880289686 1.56305009148521 1.25195926452186 0.695409449631637 2460919.378252163 0.783189908732205 779.590575763947 267.375950798913 -4.65772151584698 1120536.58992742 T 5 CATAB v2.0g-lin.ifort 2021-Apr-14 20:23:05 2021-Apr-14 20:23
2074-Apr-26 01:34 00:04 Jupiter 1.70055143363804 1.70054949879903 1.70055336849813 1.68905845864227 1.36262413616239 2478688.565537331 3.90595472494062 403.97019832653 136.08643259495 84.4219645710652 897497.538560361 T 5 CATAB v2.0g-lin.ifort 2021-Apr-14 20:23:05 2021-Apr-14 20:23
2083-Sep-03 19:22 00:05 Jupiter 1.8079446642156 1.80794185726644 1.80794747117093 2.19699292057124 1.97225186291849 2482106.306829466 4.72651468948547 292.227126597975 13.0519716121883 83.6155979497299 1205997.74622555 T 5 CATAB v2.0g-lin.ifort 2021-Apr-14 20:23:05 2021-Apr-14 20:23
2132-May-22 14:36 00:08 Jupiter 1.57291741458251 1.57291597595297 1.57291885321087 1.30455020868396 0.790470115321807 2499899.108315843 7.65115838783972 528.737152364928 267.737978644994 -3.31704261080644 1031113.27354943 T 5 CATAB v2.0g-lin.ifort 2021-Apr-14 20:23:05 2021-Apr-14 20:23
2181-Jan-13 09:01 00:11 Jupiter 1.66896289040296 1.66895825699531 1.66896752400482 1.62337468254877 1.27291664542769 2517666.875441441 10.8181459715939 1127.87462025717 177.402033630281 80.4667196140118 867371.365652321 T 5 CATAB v2.0g-lin.ifort 2021-Apr-14 20:23:05 2021-Apr-14 20:23
2190-May-26 17:36 00:12 Jupiter 1.84579898381715 1.84579241373173 1.84580555395356 2.39908748952133 2.1995082741793 2521087.233496588 11.8823164211239 669.857572797759 19.5016148885004 -87.8622892516272 1226985.34576473 T 5 CATAB v2.0g-lin.ifort 2021-Apr-14 20:23:05 2021-Apr-14 20:23

Alternate Designations
 2011 GD40 = 2016 CQ213 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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