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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161246148277601 8.1605e-08  
a 2.776014739939632 4.5564e-08 au
q 2.453651097507958 2.23e-07 au
i 7.933190843824621 7.6884e-06 deg
node 59.83692863757796 6.2686e-05 deg
peri 57.78745404492217 7.4331e-05 deg
M 165.287692518045 4.4575e-05 deg
tp 2457824.844110219430
(2017-Mar-12.34411022)
0.00019684 TDB
period 1689.394510063234
4.63
4.1593e-05
1.139e-07
d
yr
n .2130940984214073 5.2464e-09 deg/d
Q 3.098378382371307 5.0855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      6101 days (16.70 yr)  
   first obs. used      2002-12-06  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56424  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:42  

Additional Information
 Earth MOID = 1.48118 au 
 Jupiter MOID = 2.03432 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457457.5 (2016-Mar-10.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143800998106659 8.114e-08  
q 2.458642945265014 2.2093e-07 au
tp 2457821.670064995155
(2017-Mar-09.17006500)
0.00020086 TDB
node 59.85508585892317 6.2683e-05 deg
peri 57.27296827617297 7.4807e-05 deg
i 7.934046301829486 7.6846e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      6101 days (16.70 yr)  
   first obs. used      2002-12-06  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56424  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:42  

Additional Information
 Jupiter MOID = 2.03432 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.583635152461946E-15 -1.763445261333466E-14 2.632181633884376E-12 1.184127289333401E-14 6.329056088968087E-13 5.215626125024554E-15
q -1.763445261333466E-14 4.881061753014642E-14 -2.189566511546704E-12 -3.678767947031376E-14 -7.761316247382642E-13 -1.114567869372737E-14
tp 2.632181633884376E-12 -2.189566511546704E-12 4.034316562491411E-8 -2.707859325141812E-11 8.285632769687511E-9 1.649976211323135E-11
node 1.184127289333401E-14 -3.678767947031376E-14 -2.707859325141812E-11 3.929161634236029E-9 -3.896620354893829E-9 3.050457145460775E-11
peri 6.329056088968087E-13 -7.761316247382642E-13 8.285632769687511E-9 -3.896620354893829E-9 5.596116154073241E-9 -2.686835591513934E-11
i 5.215626125024554E-15 -1.114567869372737E-14 1.649976211323135E-11 3.050457145460775E-11 -2.686835591513934E-11 5.905263286571494E-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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