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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128358901208963 4.7325e-08  
a 2.239220821154356 1.0665e-08 au
q 1.98655634662216 1.0678e-07 au
i 4.614273261291077 4.4449e-06 deg
node 251.1265958729823 6.0196e-05 deg
peri 40.46305004956183 6.3374e-05 deg
M 177.8400601050495 2.033e-05 deg
tp 2458395.896150284279
(2018-Oct-04.39615028)
6.8295e-05 TDB
period 1223.894018980257
3.35
8.7441e-06
2.394e-08
d
yr
n .2941431156759393 2.1015e-09 deg/d
Q 2.491885295686552 1.1869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      7307 days (20.01 yr)  
   first obs. used      1999-12-02  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58886  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:46:27  

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 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:46:31 2019-Dec-14 07:46
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 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:46:31 2019-Dec-14 07:46

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