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85312 (1994 YB1)
Classification: Main-belt Asteroid          SPK-ID: 2085312
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2862336994721203 3.8066e-08  
a 3.155510679956054 2.0809e-08 au
q 2.252297184308447 1.2087e-07 au
i 10.7341748897218 5.1288e-06 deg
node 106.174222825811 2.2118e-05 deg
peri 303.2112489674495 2.3598e-05 deg
M 309.3453884506652 9.6448e-06 deg
tp 2459684.584171444318
(2022-Apr-15.08417144)
5.6642e-05 TDB
period 2047.400987745141
5.61
2.0253e-05
5.545e-08
d
yr
n .1758326786764316 1.7393e-09 deg/d
Q 4.058724175603661 2.6766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      9718 days (26.61 yr)  
   first obs. used      1994-12-28  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:53:56  

Additional Information
 Earth MOID = 1.28366 au 
 Jupiter MOID = 1.44813 au 
 T_jup = 3.115 
[ 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 14.24   n/a MPO637171  
diameter diameter 10.090 km 0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85312 (1994 YB1)          Discovered 1994-Dec-28 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1994 YB1 = 1999 SF20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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