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85330 (1995 QO)
Classification: Main-belt Asteroid          SPK-ID: 2085330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3011304866933837 5.151e-08  
a 2.771859075964972 1.3542e-08 au
q 1.937167803374167 1.4469e-07 au
i 8.459912308764956 7.0941e-06 deg
node 346.6411352571388 3.1411e-05 deg
peri 32.89254017624221 3.3087e-05 deg
M 156.7715905144088 9.9371e-06 deg
tp 2458466.459520258333
(2018-Dec-13.95952026)
4.4195e-05 TDB
period 1685.602422224023
4.61
1.2353e-05
3.382e-08
d
yr
n .2135734947064253 1.5651e-09 deg/d
Q 3.606550348555777 1.762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      8980 days (24.59 yr)  
   first obs. used      1995-08-23  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5122  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:30  

Additional Information
 Earth MOID = .943605 au 
 Jupiter MOID = 1.90706 au 
 T_jup = 3.254 
[ 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 15.89   n/a E2021B10  
diameter diameter 2.135 km 0.358 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85330 (1995 QO)          Discovered 1995-Aug-23 by Sarounova, L. at Ondrejov
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1995 QO = 2000 XE26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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