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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1229744623486514 3.2297e-08  
a 2.333216367583741 6.7883e-09 au
q 2.046290339237057 7.7251e-08 au
i 4.139852812385778 4.1569e-06 deg
node 65.35073797437187 4.8858e-05 deg
peri 28.70543059143859 5.2241e-05 deg
M 331.7728311983977 1.7441e-05 deg
tp 2459302.569448458610
(2021-Mar-29.06944846)
6.3058e-05 TDB
period 1301.760077440485
3.56
5.6811e-06
1.555e-08
d
yr
n .2765486561147508 1.2069e-09 deg/d
Q 2.620142395930424 7.6231e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2043  
   data-arc span      10756 days (29.45 yr)  
   first obs. used      1991-10-01  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:51:20  

Additional Information
 Earth MOID = 1.06383 au 
 Jupiter MOID = 2.53376 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 14.52   n/a MPCxxxxx  
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. 2020-October); 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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