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379788 (2011 HP69)
Classification: Main-belt Asteroid          SPK-ID: 2379788
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04187600831348724 4.9495e-08  
a 2.789034105205872 3.8784e-08 au
q 2.672240489829671 1.4963e-07 au
i 5.276675132186566 6.6138e-06 deg
node 126.6337379741745 6.1466e-05 deg
peri 321.5205789309146 0.00010467 deg
M 101.6733051868976 8.429e-05 deg
tp 2458520.010827719429
(2019-Feb-05.51082772)
0.00039727 TDB
period 1701.293192967789
4.66
3.5487e-05
9.716e-08
d
yr
n .2116037385490297 4.4138e-09 deg/d
Q 2.905827720582073 4.0408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      5167 days (14.15 yr)  
   first obs. used      2006-02-27  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:30:52  

Additional Information
 Earth MOID = 1.6912 au 
 Jupiter MOID = 2.17287 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457593.5 (2016-Jul-24.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04238147447145352 4.9715e-08  
q 2.670793630644079 1.5019e-07 au
tp 2456824.071425589961
(2014-Jun-15.57142559)
0.00038955 TDB
node 126.6453995648523 6.1471e-05 deg
peri 322.762463807525 0.00010366 deg
i 5.276505365878528 6.6136e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      5167 days (14.15 yr)  
   first obs. used      2006-02-27  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:30:52  

Additional Information
 Jupiter MOID = 2.17287 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.471616074718587E-15 -7.244368649675273E-15 3.637802332954884E-12 -9.305366308574994E-15 7.148766234557242E-13 -1.387372216233625E-15
q -7.244368649675273E-15 2.255647454929547E-14 -1.009688876489946E-11 2.938794631768002E-14 -1.85431798981883E-12 5.644782142810127E-15
tp 3.637802332954884E-12 -1.009688876489946E-11 1.517473239881398E-7 4.341128055029718E-11 3.25198016415028E-8 -8.867207201823005E-12
node -9.305366308574994E-15 2.938794631768002E-14 4.341128055029718E-11 3.778743259098798E-9 -3.752237788512427E-9 1.019369095457084E-10
peri 7.148766234557242E-13 -1.85431798981883E-12 3.25198016415028E-8 -3.752237788512427E-9 1.074492699300506E-8 -1.032538676531524E-10
i -1.387372216233625E-15 5.644782142810127E-15 -8.867207201823005E-12 1.019369095457084E-10 -1.032538676531524E-10 4.374032821084141E-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 16.4   n/a MPO471895  

379788 (2011 HP69)          Discovered 2009-Dec-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

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Alternate Designations
 2011 HP69 = 2009 YP2 = 2010 FA77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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