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JPL Small-Body Database Browser
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80295 (1999 XY57)
Classification: Main-belt Asteroid          SPK-ID: 2080295
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1919790257214372 3.1767e-08  
a 2.242055602536764 8.0327e-09 au
q 1.811627952348466 7.049e-08 au
i 5.478807774656064 4.6837e-06 deg
node 229.0279508257024 3.8157e-05 deg
peri 95.60961134206701 4.0831e-05 deg
M 120.7686267647832 1.3694e-05 deg
tp 2458589.142308228730
(2019-Apr-15.64230823)
4.5618e-05 TDB
period 1226.218869956057
3.36
6.5898e-06
1.804e-08
d
yr
n .2935854347216995 1.5778e-09 deg/d
Q 2.672483252725062 9.5748e-09 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      7937 days (21.73 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:56:31  

Additional Information
 Earth MOID = .809926 au 
 Jupiter MOID = 2.67341 au 
 T_jup = 3.603 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456846.5 (2014-Jul-08.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1923835611373723 3.1771e-08  
q 1.810351277049301 7.0489e-08 au
tp 2457363.758090111192
(2015-Dec-07.25809011)
4.2976e-05 TDB
node 229.0508917873122 3.8169e-05 deg
peri 95.71381684277343 4.0837e-05 deg
i 5.477895008442225 4.6842e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      7937 days (21.73 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:56:31  

Additional Information
 Jupiter MOID = 2.67341 au 
 T_jup = 3.603 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.009391949909269E-15 -2.23033350842831E-15 2.675675717249712E-13 -8.368457454044484E-15 8.026257117642219E-14 -3.247470879829919E-15
q -2.23033350842831E-15 4.968755317417661E-15 -5.174580380408575E-13 1.653028218782837E-14 -1.577970489713165E-13 7.434893142116205E-15
tp 2.675675717249712E-13 -5.174580380408575E-13 1.846972705263832E-9 -2.527876665966291E-11 6.31331162535919E-10 -2.184784464103882E-12
node -8.368457454044484E-15 1.653028218782837E-14 -2.527876665966291E-11 1.456895653892759E-9 -1.457737934483409E-9 -2.137666138936933E-11
peri 8.026257117642219E-14 -1.577970489713165E-13 6.31331162535919E-10 -1.457737934483409E-9 1.667700659626034E-9 2.062386623219099E-11
i -3.247470879829919E-15 7.434893142116205E-15 -2.184784464103882E-12 -2.137666138936933E-11 2.062386623219099E-11 2.194184381692988E-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 15.7   n/a MPO337862  

80295 (1999 XY57)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 XY57 = 1998 HO78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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