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JPL Small-Body Database Browser
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1875 Neruda (1969 QQ)
Classification: Main-belt Asteroid          SPK-ID: 2001875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634072437874462 3.1656e-08  
a 3.13576753172888 1.5886e-08 au
q 2.6233604022109 1.0006e-07 au
i 13.37705019886769 4.0315e-06 deg
node 193.7500318737581 1.6519e-05 deg
peri 139.4344238990056 2.0784e-05 deg
M 350.4371095956511 1.3398e-05 deg
tp 2458654.376688378750
(2019-Jun-19.87668838)
7.5598e-05 TDB
period 2028.216051449189
5.55
1.5413e-05
4.22e-08
d
yr
n .1774958835094392 1.3488e-09 deg/d
Q 3.64817466124686 1.8482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1948  
   data-arc span      18262 days (50.00 yr)  
   first obs. used      1969-08-22  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48458  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:20:46  

Additional Information
 Earth MOID = 1.63005 au 
 Jupiter MOID = 1.88799 au 
 T_jup = 3.150 
[ 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 12.3   n/a MPO416726  
diameter diameter 19.424 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.697 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.051   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1875 Neruda (1969 QQ)          Discovered 1969-Aug-22 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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