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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1171220706894533 6.551e-08  
a 2.774118927372333 3.1735e-08 au
q 2.44920837425968 1.9573e-07 au
i 7.9321298260826 6.7937e-06 deg
node 59.81868088813894 4.3779e-05 deg
peri 57.81230422923301 5.6581e-05 deg
M 293.2774956653989 3.8856e-05 deg
tp 2459513.292173515713
(2021-Oct-25.79217352)
0.00018523 TDB
period 1687.664208479983
4.62
2.8959e-05
7.929e-08
d
yr
n .2133125761576936 3.6603e-09 deg/d
Q 3.099029480484986 3.5452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      6612 days (18.10 yr)  
   first obs. used      2002-12-06  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:03:37  

Additional Information
 Earth MOID = 1.47637 au 
 Jupiter MOID = 2.03208 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458300.5 (2018-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148844997917251 6.538e-08  
q 2.459007683816598 1.9502e-07 au
tp 2457823.808581408310
(2017-Mar-11.30858141)
0.00017468 TDB
node 59.8461823920449 4.3709e-05 deg
peri 57.80871386529783 5.7082e-05 deg
i 7.935667568434513 6.7996e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      6612 days (18.10 yr)  
   first obs. used      2002-12-06  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:03:37  

Additional Information
 Jupiter MOID = 2.03208 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.274531304989588E-15 -1.26433947253573E-14 -2.089025773927063E-12 -3.582922973001825E-15 -1.979388683672321E-13 -6.081026549614225E-16
q -1.26433947253573E-14 3.803374592590637E-14 7.958572009728063E-12 1.215424064058805E-14 9.907775977700499E-13 3.757500115313393E-15
tp -2.089025773927063E-12 7.958572009728063E-12 3.051469529285598E-8 4.829654513281429E-11 6.424808215999293E-9 2.170854380134194E-11
node -3.582922973001825E-15 1.215424064058805E-14 4.829654513281429E-11 1.910512283043766E-9 -1.881527377850707E-9 -1.169987489489803E-10
peri -1.979388683672321E-13 9.907775977700499E-13 6.424808215999293E-9 -1.881527377850707E-9 3.258310420618859E-9 1.205697965671141E-10
i -6.081026549614225E-16 3.757500115313393E-15 2.170854380134194E-11 -1.169987489489803E-10 1.205697965671141E-10 4.623416325313403E-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 16.52   n/a MPCxxxxx  

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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