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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148768942598771 3.413e-08  
a 2.237159130086628 8.433e-09 au
q 1.980161237257148 7.6667e-08 au
i 3.064201468482018 5.0689e-06 deg
node 167.1159287520683 7.2349e-05 deg
peri 269.9652106929578 7.696e-05 deg
M 47.80995674603956 2.3325e-05 deg
tp 2458838.184650205927
(2019-Dec-20.68465021)
7.932e-05 TDB
period 1222.204116106142
3.35
6.9107e-06
1.892e-08
d
yr
n .2945498180344338 1.6655e-09 deg/d
Q 2.494157022916108 9.4018e-09 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      7304 days (20.00 yr)  
   first obs. used      1999-12-08  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58154  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:46:35  

Additional Information
 Earth MOID = .998267 au 
 Jupiter MOID = 2.70968 au 
 T_jup = 3.627 
[ show covariance matrix ]

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

[ 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
1929-Oct-20 08:39 < 00:01 Iris 0.0308902950328606 0.0308868428262612 0.0308937520465555 3.83690594822925 3.83690589972611 2425904.860484641 0.503764136124015 644.558726419976 36.1169258442035 74.832046128921 123430.906742113 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:46:39 2019-Dec-14 07:46
2035-Jun-19 01:30 < 00:01 Iris 0.0433374671777327 0.043336561457143 0.0433383729073389 3.5238179387396 3.52381790109557 2464497.562491308 0.467231245816589 175.710169418628 44.3657656516836 87.2015025801243 145864.03263294 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:46:39 2019-Dec-14 07:46
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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