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160417 (2004 YL22)
Classification: Main-belt Asteroid          SPK-ID: 2160417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1701088593173654 6.723e-08  
a 2.691177453434832 2.7053e-08 au
q 2.23338432661042 1.8834e-07 au
i 12.86458514128049 4.7712e-06 deg
node 121.1414313147429 3.1782e-05 deg
peri 235.1848966958797 3.4515e-05 deg
M 12.48145723099822 1.9134e-05 deg
tp 2459340.591901394364
(2021-May-06.09190139)
8.5169e-05 TDB
period 1612.545324278566
4.41
2.4316e-05
6.657e-08
d
yr
n .2232495388376508 3.3664e-09 deg/d
Q 3.148970580259243 3.1655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6116 days (16.74 yr)  
   first obs. used      2003-08-25  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:16  

Additional Information
 Earth MOID = 1.25338 au 
 Jupiter MOID = 2.33013 au 
 T_jup = 3.315 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457074.5 (2015-Feb-21.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1708078925765187 6.7124e-08  
q 2.230929838816802 1.8803e-07 au
tp 2457731.100055388761
(2016-Dec-08.60005539)
7.2606e-05 TDB
node 121.1658761762507 3.1801e-05 deg
peri 235.8920336913875 3.4529e-05 deg
i 12.86187029148373 4.7687e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6116 days (16.74 yr)  
   first obs. used      2003-08-25  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:16  

Additional Information
 Jupiter MOID = 2.33013 au 
 T_jup = 3.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.505661280000259E-15 -1.25406078379883E-14 9.533438475782998E-14 3.242687870068704E-14 1.537146838056303E-13 3.7801844308111E-15
q -1.25406078379883E-14 3.535564343724605E-14 3.92933840898236E-13 -9.057941913499783E-14 -3.435911660354023E-13 -8.659030223626167E-15
tp 9.533438475782998E-14 3.92933840898236E-13 5.271589434869638E-9 -5.456102876534421E-12 1.044031008978909E-9 4.738839684713098E-12
node 3.242687870068704E-14 -9.057941913499783E-14 -5.456102876534421E-12 1.011319049746408E-9 -9.854541533210814E-10 2.957453794062322E-11
peri 1.537146838056303E-13 -3.435911660354023E-13 1.044031008978909E-9 -9.854541533210814E-10 1.192249314225448E-9 -2.796166320304218E-11
i 3.7801844308111E-15 -8.659030223626167E-15 4.738839684713098E-12 2.957453794062322E-11 -2.796166320304218E-11 2.274009899796762E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.99   n/a E2021B55  

160417 (2004 YL22)          Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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