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175957 (2000 HQ59)
Classification: Main-belt Asteroid          SPK-ID: 2175957
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805167889226501 5.2776e-08  
a 2.634826312734431 1.6858e-08 au
q 2.159195927390705 1.4568e-07 au
i 4.413156268513511 5.0399e-06 deg
node 237.3264732636076 7.2511e-05 deg
peri 351.9207652578713 7.3971e-05 deg
M 289.8817363283265 1.6143e-05 deg
tp 2459504.767150372349
(2021-Oct-17.26715037)
7.1483e-05 TDB
period 1562.163242474817
4.28
1.4992e-05
4.105e-08
d
yr
n .2304496676222385 2.2116e-09 deg/d
Q 3.110456698078157 1.9901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7648 days (20.94 yr)  
   first obs. used      2000-04-25  
   last obs. used      2021-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:04:41  

Additional Information
 Earth MOID = 1.14784 au 
 Jupiter MOID = 1.8839 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457740.5 (2016-Dec-18.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815170883243099 5.2698e-08  
q 2.156167049932364 1.4567e-07 au
tp 2457942.708895687367
(2017-Jul-08.20889569)
6.4835e-05 TDB
node 237.3538927149595 7.2548e-05 deg
peri 351.8868621526078 7.3999e-05 deg
i 4.41230665303583 5.0405e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7648 days (20.94 yr)  
   first obs. used      2000-04-25  
   last obs. used      2021-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:04:41  

Additional Information
 Jupiter MOID = 1.8839 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.77705960482472E-15 -7.648657466945762E-15 -1.453085448618498E-12 -2.594878893303877E-15 -2.755163696422802E-13 -3.527019210157996E-15
q -7.648657466945762E-15 2.121858763165429E-14 4.126371478249835E-12 1.090810421427604E-14 7.810752430469029E-13 1.010120199548556E-14
tp -1.453085448618498E-12 4.126371478249835E-12 4.203554076083545E-9 -1.881928944018203E-12 9.834659139334499E-10 5.268635332922693E-12
node -2.594878893303877E-15 1.090810421427604E-14 -1.881928944018203E-12 5.263241895618203E-9 -5.247487694332425E-9 -1.142603079839075E-10
peri -2.755163696422802E-13 7.810752430469029E-13 9.834659139334499E-10 -5.247487694332425E-9 5.475884269355927E-9 1.150944759273187E-10
i -3.527019210157996E-15 1.010120199548556E-14 5.268635332922693E-12 -1.142603079839075E-10 1.150944759273187E-10 2.540628332412367E-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 16.54   n/a MPCxxxxx  

175957 (2000 HQ59)          Discovered 2000-Apr-25 by LONEOS at Anderson Mesa
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

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