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266040 (2006 HM69)
Classification: Main-belt Asteroid          SPK-ID: 2266040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767416547724932 4.6963e-08  
a 2.390364027746858 1.8423e-08 au
q 1.967887133974236 1.1776e-07 au
i 1.782116505324232 6.3523e-06 deg
node 146.9583960897757 0.00023849 deg
peri 130.6852133382378 0.00023995 deg
M 256.2391989951643 2.7745e-05 deg
tp 2459389.567817382656
(2021-Jun-24.06781738)
0.00010632 TDB
period 1349.877920190963
3.70
1.5605e-05
4.272e-08
d
yr
n .2666907833777087 3.0831e-09 deg/d
Q 2.812840921519479 2.1679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5943 days (16.27 yr)  
   first obs. used      2003-10-19  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53437  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:44:25  

Additional Information
 Earth MOID = .952028 au 
 Jupiter MOID = 2.31108 au 
 T_jup = 3.510 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457141.5 (2015-Apr-29.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774980505933952 4.6792e-08  
q 1.96552041325923 1.1735e-07 au
tp 2456689.677076615881
(2014-Feb-01.17707662)
9.3157e-05 TDB
node 146.9743338900423 0.00023856 deg
peri 130.6423203939242 0.00024 deg
i 1.781667422393723 6.3529e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5943 days (16.27 yr)  
   first obs. used      2003-10-19  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53437  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:44:25  

Additional Information
 Jupiter MOID = 2.31108 au 
 T_jup = 3.510 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.189481088648052E-15 -5.449644945968873E-15 -1.563312681245833E-12 -8.235719744255766E-15 -4.474620889870712E-13 -2.269874615345105E-15
q -5.449644945968873E-15 1.377039800513754E-14 4.102794128792018E-12 2.685214184757542E-14 1.188402548557107E-12 6.153806824377556E-15
tp -1.563312681245833E-12 4.102794128792018E-12 8.678187036811875E-9 4.753192646189356E-11 2.518328649751109E-9 6.496050258680197E-12
node -8.235719744255766E-15 2.685214184757542E-14 4.753192646189356E-11 5.690899239147103E-8 -5.6865902907416E-8 7.129251641885757E-10
peri -4.474620889870712E-13 1.188402548557107E-12 2.518328649751109E-9 -5.6865902907416E-8 5.760215305930575E-8 -7.106203404657988E-10
i -2.269874615345105E-15 6.153806824377556E-15 6.496050258680197E-12 7.129251641885757E-10 -7.106203404657988E-10 4.035975765749002E-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 17.6   n/a MPO460145  

266040 (2006 HM69)          Discovered 2006-Apr-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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