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390573 (2001 HB57)
Classification: Inner Main-belt Asteroid          SPK-ID: 2390573
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06168364462113192 1.0196e-07  
a 1.903757967106257 1.5995e-08 au
q 1.786327237218626 2.0223e-07 au
i 22.0679065573809 8.6349e-06 deg
node 46.73569196793572 1.5033e-05 deg
peri 179.2536664193265 7.2076e-05 deg
M 76.79529705921144 8.0831e-05 deg
tp 2458795.832845521900
(2019-Nov-08.33284552)
0.00021364 TDB
period 959.4360388411094
2.63
1.2091e-05
3.31e-08
d
yr
n .3752204268195298 4.7288e-09 deg/d
Q 2.021188696993888 1.6981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      6574 days (18.00 yr)  
   first obs. used      2001-03-25  
   last obs. used      2019-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:34:20  

Additional Information
 Earth MOID = .776905 au 
 Jupiter MOID = 2.9584 au 
 T_jup = 3.852 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457403.5 (2016-Jan-16.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06161534881840289 1.0195e-07  
q 1.786236197461914 2.0202e-07 au
tp 2457836.463999643263
(2017-Mar-23.96399964)
0.00020578 TDB
node 46.75610813222341 1.5032e-05 deg
peri 179.2445925613396 7.2145e-05 deg
i 22.06991343184573 8.6351e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      6574 days (18.00 yr)  
   first obs. used      2001-03-25  
   last obs. used      2019-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:34:20  

Additional Information
 Jupiter MOID = 2.9584 au 
 T_jup = 3.852 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.039412290228787E-14 -2.055427249235909E-14 -1.142559234699419E-11 8.684679350465495E-15 -3.605528641360059E-12 -1.019473229395212E-14
q -2.055427249235909E-14 4.081007094806809E-14 2.374944459796758E-11 -2.100635808262625E-14 7.51777087178025E-12 2.943872705779345E-14
tp -1.142559234699419E-11 2.374944459796758E-11 4.234580200896509E-8 -1.140068260344327E-10 1.451419997943786E-8 1.952718903915438E-10
node 8.684679350465495E-15 -2.100635808262625E-14 -1.140068260344327E-10 2.259693646951057E-10 -2.473582488132153E-10 3.73142331852706E-12
peri -3.605528641360059E-12 7.51777087178025E-12 1.451419997943786E-8 -2.473582488132153E-10 5.204899895849273E-9 6.445077774620166E-11
i -1.019473229395212E-14 2.943872705779345E-14 1.952718903915438E-10 3.73142331852706E-12 6.445077774620166E-11 7.456458227388074E-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 17.3   n/a MPO472014  

390573 (2001 HB57)          Discovered 2001-Apr-25 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-04-17

Alternate Designations
 2001 HB57 = 2002 VY98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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