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97236 (1999 XW75)
Classification: Main-belt Asteroid          SPK-ID: 2097236
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .216308805702759 5.8035e-08  
a 3.128384099088562 3.8392e-08 au
q 2.451687070835213 1.7647e-07 au
i 24.3898333599385 6.6981e-06 deg
node 263.9713161130067 1.569e-05 deg
peri 284.706282582155 2.2698e-05 deg
M 169.3624888233975 2.057e-05 deg
tp 2458049.691056979430
(2017-Oct-23.19105698)
0.00011023 TDB
period 2021.056857781117
5.53
3.7204e-05
1.019e-07
d
yr
n .1781246275254412 3.279e-09 deg/d
Q 3.80508112734191 4.6697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      7263 days (19.89 yr)  
   first obs. used      1999-12-07  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:28:03  

Additional Information
 Earth MOID = 1.57025 au 
 Jupiter MOID = 1.75931 au 
 T_jup = 3.042 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457016.5 (2014-Dec-25.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .215293569341888 5.8279e-08  
q 2.457592876544647 1.7748e-07 au
tp 2456026.908471518660
(2012-Apr-09.40847152)
0.00010896 TDB
node 264.013197182577 1.5703e-05 deg
peri 284.9783696461054 2.2735e-05 deg
i 24.36603629941301 6.6932e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      7263 days (19.89 yr)  
   first obs. used      1999-12-07  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:28:03  

Additional Information
 Jupiter MOID = 1.75931 au 
 T_jup = 3.042 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.396402222268426E-15 -1.019972126959345E-14 -1.181850333799114E-12 2.898346866825022E-15 -1.314547574128638E-13 1.340562665792018E-14
q -1.019972126959345E-14 3.14999484309518E-14 3.27283760722914E-12 -6.218602169982313E-15 4.346687421604675E-13 -3.769490676456309E-14
tp -1.181850333799114E-12 3.27283760722914E-12 1.187263886045902E-8 1.965939483594569E-11 1.830967413485839E-9 -1.055225724821067E-11
node 2.898346866825022E-15 -6.218602169982313E-15 1.965939483594569E-11 2.465847607472766E-10 -2.206677706657249E-10 8.499301290108542E-12
peri -1.314547574128638E-13 4.346687421604675E-13 1.830967413485839E-9 -2.206677706657249E-10 5.16858169670729E-10 -8.841461637275313E-12
i 1.340562665792018E-14 -3.769490676456309E-14 -1.055225724821067E-11 8.499301290108542E-12 -8.841461637275313E-12 4.479883943691129E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO439675  

97236 (1999 XW75)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 XW75 = 2002 LD46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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