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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456946.5 (2014-Oct-16.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1690926006955179 3.2602e-08  
q 1.954603956321361 7.3385e-08 au
tp 2457199.116349367554
(2015-Jun-25.61634937)
4.1655e-05 TDB
node 269.2095752004747 0.00015024 deg
peri 335.8766052435073 0.00015069 deg
i 1.403096846244784 3.4922e-06 deg
  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
 Jupiter MOID = 2.27255 au 
 T_jup = 3.537 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.062879456992793E-15 -2.379964034894762E-15 -1.860890004494025E-13 -7.621969572241788E-15 -7.133750873460392E-14 -1.338288505269907E-17
q -2.379964034894762E-15 5.385358650262558E-15 3.681968478439684E-13 1.620215640224215E-14 1.443097583631288E-13 5.320036952823319E-17
tp -1.860890004494025E-13 3.681968478439684E-13 1.735126699396335E-9 1.073945381758256E-11 4.925668252479842E-10 -2.63502725186074E-13
node -7.621969572241788E-15 1.620215640224215E-14 1.073945381758256E-11 2.257334949930823E-8 -2.256344196200578E-8 4.738807260472986E-11
peri -7.133750873460392E-14 1.443097583631288E-13 4.925668252479842E-10 -2.256344196200578E-8 2.270689087970308E-8 -4.744748397565074E-11
i -1.338288505269907E-17 5.320036952823319E-17 -2.63502725186074E-13 4.738807260472986E-11 -4.744748397565074E-11 1.219513517773314E-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 16.0   n/a MPO436343  

80449 (1999 YG17)          Discovered 1999-Dec-31 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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