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65275 (2002 GN55)
Classification: Main-belt Asteroid          SPK-ID: 2065275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906676804411778 6.2953e-08  
a 2.301810301019338 7.7941e-09 au
q 1.862929470108371 1.4545e-07 au
i 5.358126689755927 5.9332e-06 deg
node 346.44982183 4.1148e-05 deg
peri 4.381118805567938 4.2293e-05 deg
M 345.3878147746956 1.1216e-05 deg
tp 2459252.274437443001
(2021-Feb-06.77443744)
3.987e-05 TDB
period 1275.565371783203
3.49
6.4787e-06
1.774e-08
d
yr
n .2822277932308014 1.4335e-09 deg/d
Q 2.740691131930304 9.2801e-09 au
  Orbit Determination Parameters
   # obs. used (total)      987  
   data-arc span      11250 days (30.80 yr)  
   first obs. used      1989-09-30  
   last obs. used      2020-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52616  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:22:49  

Additional Information
 Earth MOID = .855296 au 
 Jupiter MOID = 2.68649 au 
 T_jup = 3.561 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456630.5 (2013-Dec-04.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900109437812853 6.2624e-08  
q 1.864359699204608 1.4459e-07 au
tp 2456700.353734219972
(2014-Feb-11.85373422)
3.584e-05 TDB
node 346.51339065985 4.118e-05 deg
peri 4.134132506588825 4.2346e-05 deg
i 5.357144980582818 5.9278e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      987  
   data-arc span      11250 days (30.80 yr)  
   first obs. used      1989-09-30  
   last obs. used      2020-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52616  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:22:49  

Additional Information
 Jupiter MOID = 2.68649 au 
 T_jup = 3.561 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.921715220481436E-15 -9.046308301950749E-15 6.589804613261111E-13 3.038687418169091E-14 5.882901220699176E-14 -1.982149083343212E-15
q -9.046308301950749E-15 2.090614852103853E-14 -1.473370681856051E-12 -7.0592239037758E-14 -1.247228416034302E-13 4.782736854331704E-15
tp 6.589804613261111E-13 -1.473370681856051E-12 1.284517423501346E-9 9.813686038931256E-13 3.558552170851108E-10 -1.423757993844143E-12
node 3.038687418169091E-14 -7.0592239037758E-14 9.813686038931256E-13 1.695824629114273E-9 -1.688360920251102E-9 5.118054098234346E-11
peri 5.882901220699176E-14 -1.247228416034302E-13 3.558552170851108E-10 -1.688360920251102E-9 1.793188241251429E-9 -5.136169182642825E-11
i -1.982149083343212E-15 4.782736854331704E-15 -1.423757993844143E-12 5.118054098234346E-11 -5.136169182642825E-11 3.513923175049941E-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 15.57   n/a E2021B10  
diameter diameter 1.752 km 0.416 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.191   0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65275 (2002 GN55)          Discovered 2002-Apr-05 by LONEOS at Anderson Mesa
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 GN55 = 1989 TM11 = 1996 TP50 = 2000 WL120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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