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46654 (1995 UB8)
Classification: Main-belt Asteroid          SPK-ID: 2046654
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1228544208264523 3.6348e-08  
a 2.332988194587808 9.1773e-09 au
q 2.046370281146773 8.4213e-08 au
i 4.139952888790256 4.3165e-06 deg
node 65.35013121952994 6.3407e-05 deg
peri 28.72071520913084 6.6461e-05 deg
M 276.4338304788899 2.0821e-05 deg
tp 2459302.630961957281
(2021-Mar-29.13096196)
7.5892e-05 TDB
period 1301.56912693174
3.56
7.68e-06
2.103e-08
d
yr
n .2765892279948646 1.632e-09 deg/d
Q 2.619606108028844 1.0305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1540  
   data-arc span      10194 days (27.91 yr)  
   first obs. used      1991-10-01  
   last obs. used      2019-08-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:32:25  

Additional Information
 Earth MOID = 1.06417 au 
 Jupiter MOID = 2.53448 au 
 T_jup = 3.556 
[ 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 14.4   n/a MPO395443  
diameter diameter 5.307 km 1.360 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 3.5491 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2013) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.131   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

46654 (1995 UB8)          Discovered 1995-Oct-26 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 UB8 = 1998 QC107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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