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JPL Small-Body Database Browser
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80317 (1999 XG80)
Classification: Main-belt Asteroid          SPK-ID: 2080317
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 .1128358933432728 4.6302e-08  
a 2.239220815207541 1.0285e-08 au
q 1.986556334130747 1.0395e-07 au
i 4.614273386938857 4.4488e-06 deg
node 251.1266300928222 5.4067e-05 deg
peri 40.46303378724894 5.7251e-05 deg
M 177.8400463781966 1.9899e-05 deg
tp 2458395.896199360054
(2018-Oct-04.39619936)
6.6496e-05 TDB
period 1223.894014104719
3.35
8.4321e-06
2.309e-08
d
yr
n .2941431168476959 2.0265e-09 deg/d
Q 2.491885296284336 1.1445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      7362 days (20.16 yr)  
   first obs. used      1999-12-02  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:56:46  

Additional Information
 Earth MOID = .972967 au 
 Jupiter MOID = 2.64425 au 
 T_jup = 3.623 
[ 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 16.1   n/a MPO290987  

80317 (1999 XG80)          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
1999-Jan-07 02:52 < 00:01 Iris 0.0363893196453113 0.0363878411486202 0.0363907982066583 6.04809362715542 6.04809360103498 2451185.619468127 0.298620053146323 116.267925185537 38.7688634603534 55.1126557333526 118222.013913504 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 18:57:01 2020-Feb-23 18:57
2035-Nov-18 21:07 < 00:01 Iris 0.0359171759506412 0.0359137997939225 0.0359205527992604 5.63385203210848 5.63385200369886 2464650.380039482 0.31179712442974 305.805895694953 38.6055455847721 -57.3127493217168 117487.750435748 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 18:57:01 2020-Feb-23 18:57

Alternate Designations
 1999 XG80 = 2002 TL246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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