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JPL Small-Body Database Browser
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74150 (1998 QR89)
Classification: Main-belt Asteroid          SPK-ID: 2074150
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2775199404838276 3.6863e-08  
a 2.564499737395355 1.2477e-08 au
q 1.852799922902604 9.1799e-08 au
i 9.611198073794441 7.1753e-06 deg
node 306.5683056710622 1.8958e-05 deg
peri 112.6588398278074 2.4211e-05 deg
M 327.9207847936698 1.4696e-05 deg
tp 2458734.166830298676
(2019-Sep-07.66683030)
6.1581e-05 TDB
period 1500.038532676695
4.11
1.0947e-05
2.997e-08
d
yr
n .2399938349301 1.7515e-09 deg/d
Q 3.276199551888105 1.594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      13473 days (36.89 yr)  
   first obs. used      1983-01-09  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:45:03  

Additional Information
 Earth MOID = .889959 au 
 Jupiter MOID = 2.15976 au 
 T_jup = 3.359 
[ 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 14.7   n/a MPO453154  
diameter diameter 7.112 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74150 (1998 QR89)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QR89 = 1983 AH = 2000 EN157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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