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227957 (2007 GR69)
Classification: Main-belt Asteroid          SPK-ID: 2227957
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 .07650980664458276 6.5716e-08  
a 2.769993311377982 2.3222e-08 au
q 2.558061658717666 1.8258e-07 au
i .4520978414852102 5.4864e-06 deg
node 92.21849142461927 0.0009021 deg
peri 245.3451221110853 0.00090287 deg
M 207.6905654382066 4.1604e-05 deg
tp 2459912.927725491654
(2022-Nov-29.42772549)
0.0001994 TDB
period 1683.900816222528
4.61
2.1175e-05
5.797e-08
d
yr
n .2137893137955614 2.6884e-09 deg/d
Q 2.9819249640383 2.4999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      9300 days (25.46 yr)  
   first obs. used      1995-11-14  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52746  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:51:04  

Additional Information
 Earth MOID = 1.54674 au 
 Jupiter MOID = 2.29513 au 
 T_jup = 3.333 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.49   n/a E2021B55  
diameter diameter 3.325 km 0.467 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227957 (2007 GR69)          Discovered 2007-Apr-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2007 GR69 = 2004 RY225 = 2005 YW251 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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