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160576 (1999 HB7)
Classification: Main-belt Asteroid          SPK-ID: 2160576
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049935340613697 3.3741e-08  
a 2.404733693130333 1.2696e-08 au
q 1.911778834899097 8.3748e-08 au
i 2.855231109577363 4.8926e-06 deg
node 35.7943299245425 7.6329e-05 deg
peri 268.8700187825621 7.7328e-05 deg
M 224.0788258129687 1.4953e-05 deg
tp 2459714.760924623381
(2022-May-15.26092462)
5.891e-05 TDB
period 1362.068375083838
3.73
1.0787e-05
2.953e-08
d
yr
n .2643039120395415 2.0931e-09 deg/d
Q 2.897688551361569 1.5298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      8499 days (23.27 yr)  
   first obs. used      1998-01-07  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:49:40  

Additional Information
 Earth MOID = .897324 au 
 Jupiter MOID = 2.35232 au 
 T_jup = 3.493 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457091.5 (2015-Mar-10.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058675665673624 3.3701e-08  
q 1.909256562140255 8.3673e-08 au
tp 2456991.089369790559
(2014-Nov-29.58936979)
4.8961e-05 TDB
node 35.81439988491132 7.6307e-05 deg
peri 268.9056753811211 7.73e-05 deg
i 2.856800120209091 4.893e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      8499 days (23.27 yr)  
   first obs. used      1998-01-07  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:49:40  

Additional Information
 Jupiter MOID = 2.35232 au 
 T_jup = 3.493 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.135772664030329E-15 -2.80039280050801E-15 -6.471458724202136E-14 6.022256010609109E-15 -5.97576859226378E-15 -9.875965688392782E-17
q -2.80039280050801E-15 7.001111317944058E-15 2.899871519085023E-13 -1.479062225909966E-14 4.683943765193987E-14 4.329771727906501E-16
tp -6.471458724202136E-14 2.899871519085023E-13 2.397208236200967E-9 -6.058861472145997E-13 6.154961762618675E-10 7.323145930805802E-13
node 6.022256010609109E-15 -1.479062225909966E-14 -6.058861472145997E-13 5.822787869636225E-9 -5.815352391201624E-9 -4.009190800320654E-11
peri -5.97576859226378E-15 4.683943765193987E-14 6.154961762618675E-10 -5.815352391201624E-9 5.975224791123051E-9 4.024312055869791E-11
i -9.875965688392782E-17 4.329771727906501E-16 7.323145930805802E-13 -4.009190800320654E-11 4.024312055869791E-11 2.394190957111586E-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 16.32   n/a MPCxxxxx  

160576 (1999 HB7)          Discovered 1999-Apr-19 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 1999 HB7 = 1999 GL57 = 1999 JT132 = 2002 CJ193 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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