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43311 (2000 HH55)
Classification: Main-belt Asteroid          SPK-ID: 2043311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .127954574269483 3.4041e-08  
a 2.33452753342796 7.7727e-09 au
q 2.035814056767799 7.9643e-08 au
i 5.840271457479275 4.0636e-06 deg
node 220.4568466967008 3.0953e-05 deg
peri 109.6202233230418 3.4381e-05 deg
M 253.3782726652777 1.6687e-05 deg
tp 2459782.369223161329
(2022-Jul-21.86922316)
6.1379e-05 TDB
period 1302.857530172843
3.57
6.5067e-06
1.781e-08
d
yr
n .2763157073300568 1.38e-09 deg/d
Q 2.633241010088121 8.7672e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1250  
   data-arc span      18342 days (50.22 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5249  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:04:17  

Additional Information
 Earth MOID = 1.03352 au 
 Jupiter MOID = 2.69088 au 
 T_jup = 3.551 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457210.5 (2015-Jul-07.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287363333704936 3.4106e-08  
q 2.034225611591117 7.9878e-08 au
tp 2457175.288704675674
(2015-Jun-01.78870468)
5.5296e-05 TDB
node 220.4942925014969 3.0976e-05 deg
peri 109.389781983745 3.4362e-05 deg
i 5.837509674075519 4.0639e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1250  
   data-arc span      18342 days (50.22 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5249  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:04:17  

Additional Information
 Jupiter MOID = 2.69088 au 
 T_jup = 3.551 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.163241114758907E-15 -2.71458050494809E-15 8.55471751215408E-13 3.035940800166528E-15 2.210742796080607E-13 2.843742730472416E-16
q -2.71458050494809E-15 6.380423872275762E-15 -1.869192667647004E-12 -7.655394856006802E-15 -4.821747742270683E-13 -5.146676930394652E-16
tp 8.55471751215408E-13 -1.869192667647004E-12 3.057612422940704E-9 -2.538829249641691E-12 8.30957633686861E-10 1.100083421296991E-12
node 3.035940800166528E-15 -7.655394856006802E-15 -2.538829249641691E-12 9.594888923173423E-10 -9.549700612509028E-10 -4.541216746531106E-11
peri 2.210742796080607E-13 -4.821747742270683E-13 8.30957633686861E-10 -9.549700612509028E-10 1.180740946417261E-9 4.547365589621802E-11
i 2.843742730472416E-16 -5.146676930394652E-16 1.100083421296991E-12 -4.541216746531106E-11 4.547365589621802E-11 1.651544623226818E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO449269  

43311 (2000 HH55)          Discovered 2000-Apr-29 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 HH55 = 1039 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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