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90991 (1997 YU10)
Classification: Main-belt Asteroid          SPK-ID: 2090991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218033073546118 4.8513e-08  
a 2.381324395217789 1.194e-08 au
q 1.862116918218104 1.1275e-07 au
i 10.35374644518346 4.4989e-06 deg
node 101.2123909520314 2.8182e-05 deg
peri 297.9609717452884 2.9823e-05 deg
M 71.67304836355493 9.409e-06 deg
tp 2458733.273426014598
(2019-Sep-06.77342601)
3.4912e-05 TDB
period 1342.227920134933
3.67
1.0095e-05
2.764e-08
d
yr
n .2682107819391877 2.0172e-09 deg/d
Q 2.900531872217474 1.4544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      8075 days (22.11 yr)  
   first obs. used      1997-12-23  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:21:48  

Additional Information
 Earth MOID = .896499 au 
 Jupiter MOID = 2.5539 au 
 T_jup = 3.484 
[ 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 15.8   n/a MPO502689  
diameter diameter 3.962 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90991 (1997 YU10)          Discovered 1997-Dec-24 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1997 YU10 = 2002 CU33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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