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JPL Small-Body Database Browser
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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08014319418765962 3.9414e-08  
a 2.258851943325394 9.6574e-09 au
q 2.077820333390294 9.298e-08 au
i 3.262687327102746 3.6581e-06 deg
node 90.88427871180089 8.2584e-05 deg
peri 32.41127208576761 8.7082e-05 deg
M 343.5253858391481 2.9014e-05 deg
tp 2459057.246989575783
(2020-Jul-26.74698958)
0.00010004 TDB
period 1240.023957333478
3.40
7.9523e-06
2.177e-08
d
yr
n .2903169715963686 1.8618e-09 deg/d
Q 2.439883553260493 1.0431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      9860 days (27.00 yr)  
   first obs. used      1992-11-26  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54018  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:46:27  

Additional Information
 Earth MOID = 1.09438 au 
 Jupiter MOID = 2.59423 au 
 T_jup = 3.615 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456779.5 (2014-May-02.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07956909439867388 3.9417e-08  
q 2.078759727026857 9.2922e-08 au
tp 2456576.900956209143
(2013-Oct-11.40095621)
9.7729e-05 TDB
node 90.90878297631012 8.2633e-05 deg
peri 32.289857529961 8.7206e-05 deg
i 3.262154313742708 3.6567e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      9860 days (27.00 yr)  
   first obs. used      1992-11-26  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54018  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:46:27  

Additional Information
 Jupiter MOID = 2.59423 au 
 T_jup = 3.615 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.553688978039377E-15 -3.648638942540873E-15 6.004367504158191E-13 -8.642476497173716E-15 2.067199439941205E-13 -4.300220810054728E-16
q -3.648638942540873E-15 8.634452011904388E-15 -1.252358822815029E-12 2.096060276998982E-14 -4.370484860456411E-13 1.104400940862157E-15
tp 6.004367504158191E-13 -1.252358822815029E-12 9.550884673055371E-9 4.644396687421907E-11 2.747149498537556E-9 1.162747266139684E-12
node -8.642476497173716E-15 2.096060276998982E-14 4.644396687421907E-11 6.828145339265829E-9 -6.803319572710648E-9 5.446598006778844E-12
peri 2.067199439941205E-13 -4.370484860456411E-13 2.747149498537556E-9 -6.803319572710648E-9 7.604844220453165E-9 -5.088176921605256E-12
i -4.300220810054728E-16 1.104400940862157E-15 1.162747266139684E-12 5.446598006778844E-12 -5.088176921605256E-12 1.337133172333365E-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

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