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80331 (1999 XM92)
Classification: Main-belt Asteroid          SPK-ID: 2080331
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0801432274370209 3.9019e-08  
a 2.258851941075251 9.5207e-09 au
q 2.077820256215101 9.217e-08 au
i 3.262690901201072 3.6186e-06 deg
node 90.88423674189858 8.0816e-05 deg
peri 32.41128546101193 8.5365e-05 deg
M 343.5254180854358 2.8736e-05 deg
tp 2459057.246878418298
(2020-Jul-26.74687842)
9.9072e-05 TDB
period 1240.023955480614
3.40
7.8398e-06
2.146e-08
d
yr
n .2903169720301651 1.8355e-09 deg/d
Q 2.4398836259354 1.0284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      9922 days (27.16 yr)  
   first obs. used      1992-11-26  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54273  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:48:59  

Additional Information
 Earth MOID = 1.09438 au 
 Jupiter MOID = 2.59423 au 
 T_jup = 3.615 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456843.5 (2014-Jul-05.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07954724742093564 3.9025e-08  
q 2.078801358149261 9.2104e-08 au
tp 2456576.906879515348
(2013-Oct-11.40687952)
9.7092e-05 TDB
node 90.90889758809627 8.0863e-05 deg
peri 32.29361789267416 8.549e-05 deg
i 3.262154100081295 3.6172e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      9922 days (27.16 yr)  
   first obs. used      1992-11-26  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54273  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:48:59  

Additional Information
 Jupiter MOID = 2.59423 au 
 T_jup = 3.615 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.522989314934416E-15 -3.581000877140297E-15 5.746046667037361E-13 -7.937983526229122E-15 2.004221968239945E-13 -3.856815626140537E-16
q -3.581000877140297E-15 8.483149553323261E-15 -1.211140739592856E-12 1.920925225411168E-14 -4.274788526279608E-13 9.940352712623328E-16
tp 5.746046667037361E-13 -1.211140739592856E-12 9.42689777232309E-9 4.332796902966276E-11 2.715651321894978E-9 1.085446830247884E-12
node -7.937983526229122E-15 1.920925225411168E-14 4.332796902966276E-11 6.538868405219095E-9 -6.515446005649906E-9 -1.97984973782812E-12
peri 2.004221968239945E-13 -4.274788526279608E-13 2.715651321894978E-9 -6.515446005649906E-9 7.308616415676143E-9 2.302701382578057E-12
i -3.856815626140537E-16 9.940352712623328E-16 1.085446830247884E-12 -1.97984973782812E-12 2.302701382578057E-12 1.308418213324842E-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 16.2   n/a MPO502639  
rotation period rot_per 9.151 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

80331 (1999 XM92)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2096-Aug-22 02:00 00:03 Thisb 0.0294463206209212 0.0294362386500104 0.0294564032179927 4.28487889249291 4.28487883845418 2486842.583134152 2.8587446468153 546.386708312269 36.7012074923595 23.1755149831253 47788.1329328425 T 21 CATAB v2.0f-lin.ifort 2020-May-20 14:49:02 2020-May-20 14:49
2161-Feb-11 00:50 00:03 Thisb 0.0355082088320404 0.0354883116574834 0.0355281060065777 4.62312899449995 4.62312895296536 2510390.534875849 3.05184479349228 991.855158539828 40.2958826358059 -0.471711490147928 5461.4230964933 T 21 CATAB v2.0f-lin.ifort 2020-May-20 14:49:02 2020-May-20 14:49

Alternate Designations
 1999 XM92 = 1997 CW21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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