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JPL Small-Body Database Browser
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34057 (2000 ON44)
Classification: Main-belt Asteroid          SPK-ID: 2034057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685700444020592 4.8184e-08  
a 2.581049766020663 1.2616e-08 au
q 2.145962092358635 1.2053e-07 au
i 13.44890459881422 4.6815e-06 deg
node 171.585359451478 1.9103e-05 deg
peri 199.7236390910172 2.293e-05 deg
M 158.8376139433273 1.4566e-05 deg
tp 2457932.242489958324
(2017-Jun-27.74248996)
5.957e-05 TDB
period 1514.582708985031
4.15
1.1105e-05
3.04e-08
d
yr
n .2376892314063503 1.7427e-09 deg/d
Q 3.01613743968269 1.4743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1428  
   data-arc span      8680 days (23.76 yr)  
   first obs. used      1995-07-27  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:49:53  

Additional Information
 Earth MOID = 1.14813 au 
 Jupiter MOID = 2.44714 au 
 T_jup = 3.366 
[ 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 13.8   n/a MPO337540  
diameter diameter 5.499 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.391 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 0.134   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34057 (2000 ON44)          Discovered 2000-Jul-30 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 ON44 = 1999 JE91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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