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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05479276989669643 3.4543e-08  
a 3.046450854183893 1.427e-08 au
q 2.879527373529 1.092e-07 au
i 7.709710068502018 3.7162e-06 deg
node 251.5170124590155 3.1101e-05 deg
peri 341.1120059140428 5.1117e-05 deg
M 318.2530433375265 4.1676e-05 deg
tp 2459425.722622853622
(2021-Jul-30.22262285)
0.00022515 TDB
period 1942.180956634551
5.32
1.3647e-05
3.736e-08
d
yr
n .1853586293132103 1.3024e-09 deg/d
Q 3.213374334838785 1.5052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3140  
   data-arc span      24226 days (66.33 yr)  
   first obs. used      1954-11-23  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41816  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:09:05  

Additional Information
 Earth MOID = 1.8677 au 
 Jupiter MOID = 1.80491 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 11.25   n/a E2021B10  
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 29.76 h n/a LCDB (Rev. 2020-October); 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.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
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

[ show close-approach data ]
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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