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97857 (2000 QJ20)
Classification: Main-belt Asteroid          SPK-ID: 2097857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1615654170769998 6.0229e-08  
a 2.338634693107333 1.1728e-08 au
q 1.960792203524705 1.3722e-07 au
i 4.00904109360625 6.3095e-06 deg
node 323.8733866270402 8.1863e-05 deg
peri 344.2487767884544 8.4633e-05 deg
M 213.7531376014005 2.4811e-05 deg
tp 2459531.171868264103
(2021-Nov-12.67186826)
9.19e-05 TDB
period 1306.297239077771
3.58
9.8261e-06
2.69e-08
d
yr
n .2755881197866999 2.073e-09 deg/d
Q 2.71647718268996 1.3622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:24:42  

Additional Information
 Earth MOID = .946483 au 
 Jupiter MOID = 2.52928 au 
 T_jup = 3.545 
[ 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 16.3   n/a MPO320158  
diameter diameter 1.707 km 0.586 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.152   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97857 (2000 QJ20)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1980-Jul-19 08:09 < 00:01 David 0.0276677706356131 0.0276644335984996 0.0276711085192189 6.71357144923448 6.71357136790365 2444439.839639290 0.955582131987046 296.82160120183 31.8966678665613 -56.4045557673311 108325.541696127 T 11 CATAB v2.0f-lin.ifort 2020-Feb-24 00:24:47 2020-Feb-24 00:25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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