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97242 (1999 XE88)
Classification: Main-belt Asteroid          SPK-ID: 2097242
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 .1394782674655695 4.3124e-08  
a 2.807139759022342 2.0047e-08 au
q 2.415604768900189 1.1772e-07 au
i 7.871587307928083 4.8495e-06 deg
node 271.9835897298288 4.2732e-05 deg
peri 174.9268546150598 4.8182e-05 deg
M 129.6917921558635 2.1585e-05 deg
tp 2458381.622817637057
(2018-Sep-20.12281764)
0.0001014 TDB
period 1717.886552010197
4.70
1.8402e-05
5.038e-08
d
yr
n .2095598219677217 2.2448e-09 deg/d
Q 3.198674749144494 2.2843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      9772 days (26.75 yr)  
   first obs. used      1993-07-23  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:30:04  

Additional Information
 Earth MOID = 1.43209 au 
 Jupiter MOID = 2.0129 au 
 T_jup = 3.295 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457025.5 (2015-Jan-03.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1404499650304064 4.3222e-08  
q 2.413093487421373 1.1839e-07 au
tp 2456665.520239123661
(2014-Jan-08.02023912)
9.8427e-05 TDB
node 272.0069174341803 4.2727e-05 deg
peri 175.3264502835537 4.8078e-05 deg
i 7.872313648499362 4.85e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      9772 days (26.75 yr)  
   first obs. used      1993-07-23  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:30:04  

Additional Information
 Jupiter MOID = 2.0129 au 
 T_jup = 3.295 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.868150455133273E-15 -5.066053805770272E-15 4.393968838157037E-13 4.307561953375328E-15 1.10977248496915E-13 1.693596374704163E-15
q -5.066053805770272E-15 1.401736505482836E-14 -1.223641318512875E-12 -1.262282927964127E-14 -2.939881465670382E-13 -4.131016631829631E-15
tp 4.393968838157037E-13 -1.223641318512875E-12 9.687782919736274E-9 -4.422363491912257E-11 2.214773748298638E-9 4.104596409947625E-12
node 4.307561953375328E-15 -1.262282927964127E-14 -4.422363491912257E-11 1.825639057867223E-9 -1.817670913463294E-9 1.920594001388169E-11
peri 1.10977248496915E-13 -2.939881465670382E-13 2.214773748298638E-9 -1.817670913463294E-9 2.311474224987354E-9 -1.805251772766742E-11
i 1.693596374704163E-15 -4.131016631829631E-15 4.104596409947625E-12 1.920594001388169E-11 -1.805251772766742E-11 2.352278834344469E-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 15.1   n/a MPO468972  
diameter diameter 3.030 km 0.710 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.254   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97242 (1999 XE88)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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