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447988 (2008 CU177)
Classification: Main-belt Asteroid          SPK-ID: 2447988
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170046897904772 6.6547e-08  
a 2.7738938599477 3.2781e-08 au
q 2.44933526935281 1.9735e-07 au
i 7.932303385953355 6.8187e-06 deg
node 59.81770204029805 4.8355e-05 deg
peri 57.85192196753586 6.0146e-05 deg
M 250.5589272130132 3.9185e-05 deg
tp 2459513.492512725164
(2021-Oct-25.99251273)
0.00018898 TDB
period 1687.458829469902
4.62
2.9913e-05
8.19e-08
d
yr
n .2133385382285685 3.7817e-09 deg/d
Q 3.09845245054259 3.6616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6527 days (17.87 yr)  
   first obs. used      2002-12-06  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:45:25  

Additional Information
 Earth MOID = 1.47661 au 
 Jupiter MOID = 2.033 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458085.5 (2017-Nov-28.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144306281975677 6.6289e-08  
q 2.458734675501079 1.9584e-07 au
tp 2457822.611271092390
(2017-Mar-10.11127109)
0.00017786 TDB
node 59.85018611111291 4.8306e-05 deg
peri 57.52506109241219 6.0728e-05 deg
i 7.934882224717875 6.8245e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6527 days (17.87 yr)  
   first obs. used      2002-12-06  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:45:25  

Additional Information
 Jupiter MOID = 2.033 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.394221302284942E-15 -1.28590730256333E-14 -1.74637241991869E-12 -8.847859704196464E-15 -1.265684607325726E-13 -3.078172295162663E-16
q -1.28590730256333E-14 3.835151678413475E-14 7.242231184245454E-12 3.625350971008049E-14 8.309502172694733E-13 3.162350170635194E-15
tp -1.74637241991869E-12 7.242231184245454E-12 3.163595154108858E-8 1.259320870562989E-10 6.575321797152748E-9 2.299442459931477E-11
node -8.847859704196464E-15 3.625350971008049E-14 1.259320870562989E-10 2.333487733501338E-9 -2.284113965612414E-9 -1.106239059746817E-10
peri -1.265684607325726E-13 8.309502172694733E-13 6.575321797152748E-9 -2.284113965612414E-9 3.687916648763714E-9 1.145134429711301E-10
i -3.078172295162663E-16 3.162350170635194E-15 2.299442459931477E-11 -1.106239059746817E-10 1.145134429711301E-10 4.657392477499579E-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 16.4   n/a MPO450461  

447988 (2008 CU177)          Discovered 2008-Jan-11 by LINEAR at Socorro
Reference: Last Updated: 2015-10-28

Alternate Designations
 2008 CU177 = 2008 CA185 = 2011 UN299 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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