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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05461521857174532 3.4437e-08  
a 3.045759991613027 1.3067e-08 au
q 2.879415143954004 1.0834e-07 au
i 7.710262152792693 3.5419e-06 deg
node 251.5126595543222 2.8066e-05 deg
peri 341.2548855881845 4.4651e-05 deg
M 354.4557085917738 3.4567e-05 deg
tp 2459426.400984732254
(2021-Jul-30.90098473)
0.00018641 TDB
period 1941.520333444232
5.32
1.2494e-05
3.421e-08
d
yr
n .1854216995818759 1.1932e-09 deg/d
Q 3.212104839272049 1.378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3437  
   data-arc span      24365 days (66.71 yr)  
   first obs. used      1954-11-23  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40588  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:33:20  

Additional Information
 Earth MOID = 1.86927 au 
 Jupiter MOID = 1.80503 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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