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175893 (1999 XN51)
Classification: Main-belt Asteroid          SPK-ID: 2175893
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2201643361559893 3.6559e-08  
a 2.571037408770854 1.0559e-08 au
q 2.004986664436604 9.0111e-08 au
i 5.236426304224751 3.4584e-06 deg
node 62.09047565002801 7.5436e-05 deg
peri 19.31730694915927 7.7181e-05 deg
M 26.83811847830938 1.7362e-05 deg
tp 2459088.243735725467
(2020-Aug-26.74373573)
7.236e-05 TDB
period 1505.778252357487
4.12
9.2758e-06
2.54e-08
d
yr
n .2390790273643375 1.4728e-09 deg/d
Q 3.137088153105104 1.2883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1999-11-09  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55766  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:15  

Additional Information
 Earth MOID = 1.02122 au 
 Jupiter MOID = 2.12469 au 
 T_jup = 3.389 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457611.5 (2016-Aug-11.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2175746310105579 3.6196e-08  
q 2.012245088850102 8.8826e-08 au
tp 2457579.842685466423
(2016-Jul-10.34268547)
7.1506e-05 TDB
node 62.12566642517929 7.5478e-05 deg
peri 18.93056666854749 7.7316e-05 deg
i 5.235064192851738 3.4563e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1999-11-09  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55766  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:15  

Additional Information
 Jupiter MOID = 2.12469 au 
 T_jup = 3.389 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.310179751508545E-15 -3.204688554689259E-15 1.074622713415513E-12 2.749206748675277E-14 2.427687760000184E-13 -1.688647883252085E-15
q -3.204688554689259E-15 7.890036745689268E-15 -2.599685420793539E-12 -6.440860460294411E-14 -5.891099740784871E-13 4.071164783613657E-15
tp 1.074622713415513E-12 -2.599685420793539E-12 5.113115108827245E-9 1.109271681505984E-10 1.276667419036165E-9 -4.777298439481301E-12
node 2.749206748675277E-14 -6.440860460294411E-14 1.109271681505984E-10 5.696862533122183E-9 -5.64384180142804E-9 -1.920016049187044E-11
peri 2.427687760000184E-13 -5.891099740784871E-13 1.276667419036165E-9 -5.64384180142804E-9 5.97770337496563E-9 1.78676021768044E-11
i -1.688647883252085E-15 4.071164783613657E-15 -4.777298439481301E-12 -1.920016049187044E-11 1.78676021768044E-11 1.194580689255152E-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 16.64   n/a MPCxxxxx  

175893 (1999 XN51)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

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