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JPL Small-Body Database Browser
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2307 Garuda (1957 HJ)
Classification: Main-belt Asteroid          SPK-ID: 2002307
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05505984112809392 3.9309e-08  
a 3.04779524992164 1.6818e-08 au
q 2.879984127669995 1.2061e-07 au
i 7.710201935590674 4.3808e-06 deg
node 251.5280224334287 3.447e-05 deg
peri 340.6054917894868 5.6483e-05 deg
M 207.6128673053888 4.6642e-05 deg
tp 2459423.164781365144
(2021-Jul-27.66478137)
0.00025385 TDB
period 1943.466722252493
5.32
1.6086e-05
4.404e-08
d
yr
n .1852359990927744 1.5332e-09 deg/d
Q 3.215606372173284 1.7744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2463  
   data-arc span      23718 days (64.94 yr)  
   first obs. used      1954-11-23  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46041  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:14:35  

Additional Information
 Earth MOID = 1.86962 au 
 Jupiter MOID = 1.80399 au 
 T_jup = 3.222 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.2   n/a MPO384770  
diameter diameter 40.139 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 29.64 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Albers, K.; Kragh, K.; Monnier, A.; Pligge, Z.; et al. (2010) Minor Planet Bull. 37, 152-158.]
geometric albedo albedo 0.048   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2307 Garuda (1957 HJ)          Discovered 1957-Apr-18 by at La Plata
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1957 HJ = 1976 YY2 = 1977 AH = 1981 WE4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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