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27701 (1983 QR)
Classification: Main-belt Asteroid          SPK-ID: 2027701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .147391700376991 3.4566e-08  
a 2.181756777468601 9.1293e-09 au
q 1.86018393622848 7.7625e-08 au
i 1.118202957008979 4.6113e-06 deg
node 289.7796152168759 0.00018992 deg
peri 86.13563744694704 0.00019066 deg
M 353.2113740675597 1.9014e-05 deg
tp 2458622.696643429242
(2019-May-19.19664343)
6.2239e-05 TDB
period 1177.085276763026
3.22
7.3881e-06
2.023e-08
d
yr
n .3058402030055094 1.9196e-09 deg/d
Q 2.503329618708722 1.0475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      741  
   data-arc span      13248 days (36.27 yr)  
   first obs. used      1983-08-30  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:40:38  

Additional Information
 Earth MOID = .860924 au 
 Jupiter MOID = 2.95932 au 
 T_jup = 3.666 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO299156  
diameter diameter 1.435 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.374   0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27701 (1983 QR)          Discovered 1983-Aug-30 by Gibson, J. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1983 QR = 1999 NH7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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