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JPL Small-Body Database Browser
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80375 (1999 XN157)
Classification: Main-belt Asteroid          SPK-ID: 2080375
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148769467707997 3.4106e-08  
a 2.237159129981392 8.2114e-09 au
q 1.980161119688711 7.6655e-08 au
i 3.064200413138165 4.6481e-06 deg
node 167.1159131265219 7.2137e-05 deg
peri 269.9652205211067 7.6541e-05 deg
M 47.80996606032125 2.2309e-05 deg
tp 2458838.184618595287
(2019-Dec-20.68461860)
7.5941e-05 TDB
period 1222.204116019903
3.35
6.7291e-06
1.842e-08
d
yr
n .2945498180552171 1.6217e-09 deg/d
Q 2.494157140274073 9.1547e-09 au
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      7359 days (20.15 yr)  
   first obs. used      1999-12-08  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:57:45  

Additional Information
 Earth MOID = .998267 au 
 Jupiter MOID = 2.70968 au 
 T_jup = 3.627 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456839.5 (2014-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143476603052388 3.4026e-08  
q 1.981098547528799 7.6383e-08 au
tp 2456392.553596432674
(2013-Apr-10.05359643)
8.082e-05 TDB
node 167.1599231569682 7.2096e-05 deg
peri 269.6253774840876 7.6575e-05 deg
i 3.064486440344694 4.6503e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      7359 days (20.15 yr)  
   first obs. used      1999-12-08  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:57:45  

Additional Information
 Jupiter MOID = 2.70968 au 
 T_jup = 3.627 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.157745423245792E-15 -2.58730355185249E-15 -1.208743612895494E-13 -1.863061479190669E-15 -5.125333489047274E-14 -1.567497976827754E-15
q -2.58730355185249E-15 5.834305798360046E-15 4.88605331107908E-14 5.761938504977896E-15 4.750399362296778E-14 3.61857932872251E-15
tp -1.208743612895494E-13 4.88605331107908E-14 6.531888137512071E-9 -2.611966599223917E-11 2.095481700597568E-9 -1.047708619765633E-12
node -1.863061479190669E-15 5.761938504977896E-15 -2.611966599223917E-11 5.19780664504535E-9 -5.197941656518395E-9 -1.537789148769335E-12
peri -5.125333489047274E-14 4.750399362296778E-14 2.095481700597568E-9 -5.197941656518395E-9 5.863659396640149E-9 1.226775018058417E-12
i -1.567497976827754E-15 3.61857932872251E-15 -1.047708619765633E-12 -1.537789148769335E-12 1.226775018058417E-12 2.162501482781048E-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 16.6   n/a MPO348017  
diameter diameter 2.714 km 0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80375 (1999 XN157)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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