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71078 (1999 XF118)
Classification: Main-belt Asteroid          SPK-ID: 2071078
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142530207561425 6.7737e-08  
a 2.587102186627977 1.6712e-08 au
q 2.291517946800909 1.7018e-07 au
i 11.79987794187591 5.5056e-06 deg
node 251.309784095086 2.3632e-05 deg
peri 303.9616918861407 3.1477e-05 deg
M 204.7908857455342 2.1893e-05 deg
tp 2459655.789970806005
(2022-Mar-17.28997081)
9.3974e-05 TDB
period 1519.913251379014
4.16
1.4728e-05
4.032e-08
d
yr
n .2368556229596477 2.2951e-09 deg/d
Q 2.882686426455045 1.8622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      7320 days (20.04 yr)  
   first obs. used      1999-11-15  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57548  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:20:37  

Additional Information
 Earth MOID = 1.31031 au 
 Jupiter MOID = 2.17669 au 
 T_jup = 3.383 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457076.5 (2015-Feb-23.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135593315521927 6.7939e-08  
q 2.294195766805915 1.7066e-07 au
tp 2456616.598823639056
(2013-Nov-20.09882364)
9.0608e-05 TDB
node 251.3398142083804 2.3651e-05 deg
peri 304.2850877871259 3.1499e-05 deg
i 11.7929449370037 5.5036e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      7320 days (20.04 yr)  
   first obs. used      1999-11-15  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57548  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:20:37  

Additional Information
 Jupiter MOID = 2.17669 au 
 T_jup = 3.383 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.615737732016003E-15 -1.155614014177036E-14 1.705248707236164E-12 6.281812897243357E-15 2.307496724267957E-13 7.069487445715251E-15
q -1.155614014177036E-14 2.912360368911025E-14 -4.488729225566714E-12 -1.747323074518983E-14 -6.166914887154662E-13 -1.784318829628354E-14
tp 1.705248707236164E-12 -4.488729225566714E-12 8.20985093031241E-9 5.834127957015878E-12 1.894350858251702E-9 -2.689229822896189E-12
node 6.281812897243357E-15 -1.747323074518983E-14 5.834127957015878E-12 5.593469778287409E-10 -5.459011707957931E-10 -2.959478212967576E-11
peri 2.307496724267957E-13 -6.166914887154662E-13 1.894350858251702E-9 -5.459011707957931E-10 9.922128246911999E-10 2.797150359801758E-11
i 7.069487445715251E-15 -1.784318829628354E-14 -2.689229822896189E-12 -2.959478212967576E-11 2.797150359801758E-11 3.029004939201803E-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 15.2   n/a MPO436280  

71078 (1999 XF118)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XF118 = 2001 FE57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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