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JPL Small-Body Database Browser
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80449 (1999 YG17)
Classification: Main-belt Asteroid          SPK-ID: 2080449
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695424167143525 3.258e-08  
a 2.351592784090771 9.9635e-09 au
q 1.952898060347989 7.3411e-08 au
i 1.40402498767266 3.493e-06 deg
node 269.1585013599985 0.00015015 deg
peri 335.901676060812 0.00015059 deg
M 132.2573166758496 1.1142e-05 deg
tp 2458516.596446164125
(2019-Feb-02.09644616)
4.0632e-05 TDB
period 1317.16931629481
3.61
8.3711e-06
2.292e-08
d
yr
n .2733133816179972 1.737e-09 deg/d
Q 2.750287507833552 1.1653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      7683 days (21.03 yr)  
   first obs. used      1998-10-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51233  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 09:31:10  

Additional Information
 Earth MOID = .939671 au 
 Jupiter MOID = 2.27255 au 
 T_jup = 3.537 
[ 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 16.0   n/a MPO436343  

80449 (1999 YG17)          Discovered 1999-Dec-31 by Spacewatch at Kitt Peak
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
1935-Jan-11 19:28 < 00:01 Eunom 0.0289749842648372 0.0289623483516308 0.0289876205328127 7.3062395703408 7.30623950403115 2427814.310942151 0.271627709732464 649.986494365657 42.3092397567283 -14.3022797220895 26110.0549047776 T 15 CATAB v2.0f-lin.ifort 2019-Nov-07 09:31:22 2019-Nov-07 09:31
2023-Sep-03 00:35 < 00:01 Amphi 0.0443540727346504 0.0443533042740486 0.0443548412025287 4.74429960551755 4.74429957819838 2460190.524564883 0.379389507446611 114.873684109312 36.9734357796662 84.7192836482059 178710.761078764 T 15 CATAB v2.0f-lin.ifort 2019-Nov-07 09:31:22 2019-Nov-07 09:31
2135-Jan-14 18:21 00:01 Hebe 0.0265181665613234 0.0264927190438731 0.0265436141421082 8.67191619700706 8.67191616997377 2500866.264358524 1.31438323745125 1270.4275332753 30.3132155476696 -2.91043285922441 7336.52833811802 T 15 CATAB v2.0f-lin.ifort 2019-Nov-07 09:31:22 2019-Nov-07 09:31

Alternate Designations
 1999 YG17 = 2001 QC38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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