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43147 (1999 XO105)
Classification: Main-belt Asteroid          SPK-ID: 2043147
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2702837230336843 3.0353e-08  
a 2.587774121375115 8.7731e-09 au
q 1.888340897479628 7.7854e-08 au
i 4.588773667198951 3.6179e-06 deg
node 33.49796880441199 5.3789e-05 deg
peri 335.6409844116796 5.4473e-05 deg
M 107.1920841421769 1.0775e-05 deg
tp 2458943.760705965626
(2020-Apr-04.26070597)
4.3961e-05 TDB
period 1520.50542870492
4.16
7.7323e-06
2.117e-08
d
yr
n .236763376969083 1.204e-09 deg/d
Q 3.287207345270602 1.1144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1621  
   data-arc span      15561 days (42.60 yr)  
   first obs. used      1978-10-04  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5024  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:02:56  

Additional Information
 Earth MOID = .8883 au 
 Jupiter MOID = 2.17745 au 
 T_jup = 3.364 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456898.5 (2014-Aug-29.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2730895756434898 3.0454e-08  
q 1.878964628849539 7.8256e-08 au
tp 2457423.545994769123
(2016-Feb-05.04599477)
3.8445e-05 TDB
node 33.57091886680281 5.3642e-05 deg
peri 335.5087079223891 5.4305e-05 deg
i 4.599960419617745 3.6228e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1621  
   data-arc span      15561 days (42.60 yr)  
   first obs. used      1978-10-04  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5024  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:02:56  

Additional Information
 Jupiter MOID = 2.17745 au 
 T_jup = 3.364 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.27470924643066E-16 -2.375659520380444E-15 1.559583821657426E-14 8.591956811167597E-16 -2.266595469363272E-14 -1.803561582622291E-16
q -2.375659520380444E-15 6.124001322286144E-15 9.063815335557607E-14 -2.142613497831281E-15 8.342525510198038E-14 4.626801796209245E-16
tp 1.559583821657426E-14 9.063815335557607E-14 1.478024489906887E-9 1.884507894027842E-12 3.456143354145021E-10 -4.227387203743024E-13
node 8.591956811167597E-16 -2.142613497831281E-15 1.884507894027842E-12 2.877454626597818E-9 -2.867451887872859E-9 2.581865360480435E-11
peri -2.266595469363272E-14 8.342525510198038E-14 3.456143354145021E-10 -2.867451887872859E-9 2.949018864382285E-9 -2.58172230210762E-11
i -1.803561582622291E-16 4.626801796209245E-16 -4.227387203743024E-13 2.581865360480435E-11 -2.58172230210762E-11 1.312455470691269E-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 14.47   n/a E2021B10  

43147 (1999 XO105)          Discovered 1999-Dec-08 by Shiozawa, H., Urata, T. at Nachi-Katsuura
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XO105 = 1978 TY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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