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541441 (2011 HA97)
Classification: Main-belt Asteroid          SPK-ID: 2541441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06546154077062885 7.5004e-08  
a 3.012276000616186 3.4908e-08 au
q 2.815087772389463 2.4382e-07 au
i 3.743083101252268 6.6088e-06 deg
node 230.8087014802013 9.8677e-05 deg
peri 268.9907187648041 0.00013307 deg
M 37.05941067391295 8.0827e-05 deg
tp 2459199.921246243858
(2020-Dec-16.42124624)
0.00043004 TDB
period 1909.591924569565
5.23
3.3194e-05
9.088e-08
d
yr
n .1885219534959787 3.2771e-09 deg/d
Q 3.209464228842909 3.7193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      8170 days (22.37 yr)  
   first obs. used      1998-11-26  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61667  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:58  

Additional Information
 Earth MOID = 1.83203 au 
 Jupiter MOID = 1.81836 au 
 T_jup = 3.243 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457942.5 (2017-Jul-08.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0661023804230305 7.6143e-08  
q 2.811770974969419 2.4755e-07 au
tp 2457295.506199234772
(2015-Sep-30.00619923)
0.0004352 TDB
node 230.8309419434853 9.867e-05 deg
peri 269.8145551244745 0.00013201 deg
i 3.743732203199035 6.6101e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      8170 days (22.37 yr)  
   first obs. used      1998-11-26  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61667  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:58  

Additional Information
 Jupiter MOID = 1.81836 au 
 T_jup = 3.243 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.797697303134529E-15 -1.872770627098801E-14 2.211968031153679E-11 -3.872329239594423E-14 4.488071335945684E-12 -6.574684068148054E-15
q -1.872770627098801E-14 6.128346467907025E-14 -7.31066710452371E-11 1.309491005110863E-13 -1.478099678124415E-11 2.172047268039655E-14
tp 2.211968031153679E-11 -7.31066710452371E-11 1.893970243650149E-7 -2.946572252644611E-10 3.82130049545765E-8 -2.794237594356524E-11
node -3.872329239594423E-14 1.309491005110863E-13 -2.946572252644611E-10 9.735678523564932E-9 -9.772708934635262E-9 -1.822478558389657E-10
peri 4.488071335945684E-12 -1.478099678124415E-11 3.82130049545765E-8 -9.772708934635262E-9 1.742543210047024E-8 1.762919323884265E-10
i -6.574684068148054E-15 2.172047268039655E-14 -2.794237594356524E-11 -1.822478558389657E-10 1.762919323884265E-10 4.369404583697529E-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 16.96   .30258 MPCxxxxx autocmod 2.8

541441 (2011 HA97)          Discovered 2011-Mar-11 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 HA97 = 2013 RH57 = 2016 GF11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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