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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1908796507461391 6.9928e-08  
a 2.301813188658681 7.7273e-09 au
q 1.862443891124655 1.612e-07 au
i 5.357140366915071 6.1846e-06 deg
node 346.4666678474652 4.1314e-05 deg
peri 4.435563366447379 4.2463e-05 deg
M 288.9034148134253 1.1389e-05 deg
tp 2459252.412535472092
(2021-Feb-06.91253547)
4.0964e-05 TDB
period 1275.567772094323
3.49
6.4232e-06
1.759e-08
d
yr
n .2822272621461148 1.4212e-09 deg/d
Q 2.741182486192707 9.2023e-09 au
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      10778 days (29.51 yr)  
   first obs. used      1989-09-30  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:36:55  

Additional Information
 Earth MOID = .856584 au 
 Jupiter MOID = 2.68569 au 
 T_jup = 3.561 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456584.5 (2013-Oct-19.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900503951537506 6.9648e-08  
q 1.864364296120308 1.602e-07 au
tp 2456700.340968766043
(2014-Feb-11.84096877)
3.6516e-05 TDB
node 346.5142207187886 4.1329e-05 deg
peri 4.128595018649334 4.2498e-05 deg
i 5.357031271787461 6.18e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      10778 days (29.51 yr)  
   first obs. used      1989-09-30  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:36:55  

Additional Information
 Jupiter MOID = 2.68569 au 
 T_jup = 3.561 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.850826605343586E-15 -1.11491020695548E-14 8.726894985368472E-13 3.425840163781277E-14 7.250426634186549E-14 -2.816105447909469E-15
q -1.11491020695548E-14 2.566530411583319E-14 -1.957105710684715E-12 -7.940054621027311E-14 -1.556501889482607E-13 6.643366688747864E-15
tp 8.726894985368472E-13 -1.957105710684715E-12 1.333418156190209E-9 8.458980619080475E-13 3.599334413071873E-10 -2.14408592409838E-12
node 3.425840163781277E-14 -7.940054621027311E-14 8.458980619080475E-13 1.70805933088187E-9 -1.70078104018139E-9 5.711034849770806E-11
peri 7.250426634186549E-14 -1.556501889482607E-13 3.599334413071873E-10 -1.70078104018139E-9 1.806090858189184E-9 -5.744242675967351E-11
i -2.816105447909469E-15 6.643366688747864E-15 -2.14408592409838E-12 5.711034849770806E-11 -5.744242675967351E-11 3.819287559781083E-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 15.6   n/a MPO381714  
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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