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160647 (1999 XH69)
Classification: Main-belt Asteroid          SPK-ID: 2160647
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198050940623007 2.8947e-08  
a 2.58540386821772 9.7239e-09 au
q 2.017118927775088 7.2981e-08 au
i 3.024354983570769 4.0194e-06 deg
node 76.84916486160044 8.178e-05 deg
peri 325.9824955804118 8.2689e-05 deg
M 41.81310019846537 1.3277e-05 deg
tp 2459024.139676559895
(2020-Jun-23.63967656)
5.5516e-05 TDB
period 1518.416863066471
4.16
8.5663e-06
2.345e-08
d
yr
n .2370890423812689 1.3376e-09 deg/d
Q 3.153688808660352 1.1861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      777  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1999-11-09  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:13  

Additional Information
 Earth MOID = 1.02588 au 
 Jupiter MOID = 2.25619 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457499.5 (2016-Apr-21.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206832792333489 2.8962e-08  
q 2.014396479466652 7.311e-08 au
tp 2457500.838218547047
(2016-Apr-22.33821855)
5.0888e-05 TDB
node 76.88941168769638 8.1978e-05 deg
peri 325.0657987929681 8.2863e-05 deg
i 3.024001097859762 4.0061e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      777  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1999-11-09  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:13  

Additional Information
 Jupiter MOID = 2.25619 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.387894096364721E-16 -2.106369611128244E-15 2.121873029556379E-13 -9.193592405333046E-16 4.677281593343543E-14 -1.329030030705547E-16
q -2.106369611128244E-15 5.345074615507558E-15 -3.849713871403967E-13 3.467110522667803E-15 -8.359495013323912E-14 4.479731657032696E-16
tp 2.121873029556379E-13 -3.849713871403967E-13 2.589550831900137E-9 1.137798120852388E-11 6.370859353760581E-10 7.840711688804641E-13
node -9.193592405333046E-16 3.467110522667803E-15 1.137798120852388E-11 6.72040644065161E-9 -6.708095027425268E-9 1.153020328431808E-10
peri 4.677281593343543E-14 -8.359495013323912E-14 6.370859353760581E-10 -6.708095027425268E-9 6.866258402022317E-9 -1.149644536427355E-10
i -1.329030030705547E-16 4.479731657032696E-16 7.840711688804641E-13 1.153020328431808E-10 -1.149644536427355E-10 1.604903272943622E-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 15.87   n/a MPCxxxxx  

160647 (1999 XH69)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1999 XH69 = 2003 UG41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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