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JPL Small-Body Database Browser
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34155 (2000 QJ22)
Classification: Main-belt Asteroid          SPK-ID: 2034155
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2530674906863769 3.503e-08  
a 2.42729713647908 8.4233e-09 au
q 1.813027141000091 8.6203e-08 au
i 11.51379873259848 5.1465e-06 deg
node 147.2812177263227 1.9379e-05 deg
peri 228.5546128206296 2.1836e-05 deg
M 294.4805040241323 1.1036e-05 deg
tp 2458851.891673631730
(2020-Jan-03.39167363)
4.284e-05 TDB
period 1381.283557809364
3.78
7.1901e-06
1.969e-08
d
yr
n .260627152161964 1.3567e-09 deg/d
Q 3.041567131958069 1.0555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1500  
   data-arc span      17885 days (48.97 yr)  
   first obs. used      1970-09-27  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51532  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:54:15  

Additional Information
 Earth MOID = .833533 au 
 Jupiter MOID = 2.46569 au 
 T_jup = 3.439 
[ 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 MPO344565  
diameter diameter 7.257 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.0084 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J. (2009) Minor Planet Bull. 36, 162-165.]
geometric albedo albedo 0.161   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34155 (2000 QJ22)          Discovered 2000-Aug-25 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 QJ22 = 1970 SG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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