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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1476014723199074 3.2728e-08  
a 2.181934603421137 8.5747e-09 au
q 1.859877843450424 7.2793e-08 au
i 1.118274700101454 4.5961e-06 deg
node 289.7774173981332 0.00018384 deg
peri 86.12326288176556 0.00018457 deg
M 115.5326389514415 1.8536e-05 deg
tp 2458622.698903271632
(2019-May-19.19890327)
5.9582e-05 TDB
period 1177.229188708977
3.22
6.9395e-06
1.9e-08
d
yr
n .3058028151636289 1.8026e-09 deg/d
Q 2.50399136339185 9.8403e-09 au
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      13305 days (36.43 yr)  
   first obs. used      1983-08-30  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:08:51  

Additional Information
 Earth MOID = .861419 au 
 Jupiter MOID = 2.96166 au 
 T_jup = 3.665 
[ 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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