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46646 (1995 OC8)
Classification: Main-belt Asteroid          SPK-ID: 2046646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1916512300862948 3.279e-08  
a 2.246306538201373 7.2254e-09 au
q 1.815799127004193 7.4536e-08 au
i 3.936962002350591 4.0651e-06 deg
node 192.9084942506964 6.2004e-05 deg
peri 109.7725973551197 6.3486e-05 deg
M 24.02984760654541 1.281e-05 deg
tp 2458518.417519065458
(2019-Feb-03.91751907)
4.362e-05 TDB
period 1229.707887468512
3.37
5.9331e-06
1.624e-08
d
yr
n .2927524525691213 1.4125e-09 deg/d
Q 2.676813949398552 8.6101e-09 au
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      8923 days (24.43 yr)  
   first obs. used      1995-06-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5158  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:18:42  

Additional Information
 Earth MOID = .804506 au 
 Jupiter MOID = 2.55923 au 
 T_jup = 3.603 
[ 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 15.6   n/a MPO426239  
diameter diameter 2.979 km 0.359 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46646 (1995 OC8)          Discovered 1995-Jul-25 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 OC8 = 1998 HT100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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