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70699 (1999 US27)
Classification: Main-belt Asteroid          SPK-ID: 2070699
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168678784533001 4.2431e-08  
a 2.38813053141591 9.4936e-09 au
q 2.10903478273978 1.0199e-07 au
i 2.117067965636752 4.5239e-06 deg
node 207.8382109605899 9.1253e-05 deg
peri 1.258344287943248 9.2716e-05 deg
M 1.695709357197551 1.5674e-05 deg
tp 2458994.150574465223
(2020-May-24.65057447)
5.8699e-05 TDB
period 1347.986423980914
3.69
8.038e-06
2.201e-08
d
yr
n .2670650042133489 1.5925e-09 deg/d
Q 2.66722628009204 1.0603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      9591 days (26.26 yr)  
   first obs. used      1994-03-04  
   last obs. used      2020-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:36:35  

Additional Information
 Earth MOID = 1.10382 au 
 Jupiter MOID = 2.29483 au 
 T_jup = 3.524 
[ 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 15.7   n/a MPO502590  
diameter diameter 4.415 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70699 (1999 US27)          Discovered 1999-Oct-30 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 US27 = 1998 HK97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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