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17870 (1998 QU92)
Classification: Main-belt Asteroid          SPK-ID: 2017870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614027940912001 1.5683e-08  
a 2.395372618409834 7.5464e-09 au
q 2.008752784908932 3.7923e-08 au
i 6.767759505366278 5.2945e-07 deg
node 70.20439076837008 7.1922e-06 deg
peri 306.1301296513005 8.7607e-06 deg
M 5.570056431134287 5.8598e-06 deg
tp 2459179.548498978991
(2020-Nov-26.04849898)
2.2047e-05 TDB
period 1354.122792258192
3.71
6.3991e-06
1.752e-08
d
yr
n .2658547674244881 1.2563e-09 deg/d
Q 2.781992451910735 8.7644e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2366  
   data-arc span      24099 days (65.98 yr)  
   first obs. used      1955-03-14  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:16:29  

Additional Information
 Earth MOID = 1.01824 au 
 Jupiter MOID = 2.69201 au 
 T_jup = 3.502 
[ 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 13.96   n/a E2021B10  
diameter diameter 4.079 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17870 (1998 QU92)          Discovered 1998-Aug-28 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QU92 = 1976 YW5 = 1987 WT3 = 1992 AD6 = 1996 MU1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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