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74698 (1999 RZ142)
Classification: Main-belt Asteroid          SPK-ID: 2074698
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607446784487127 3.2081e-08  
a 2.353603190058589 7.7452e-09 au
q 1.975274002076756 7.7531e-08 au
i 4.630885806114859 4.2652e-06 deg
node 174.6259296381791 4.2496e-05 deg
peri 138.2944466818 4.4734e-05 deg
M 298.4528697869016 1.3306e-05 deg
tp 2459225.977701922915
(2021-Jan-11.47770192)
4.8835e-05 TDB
period 1318.858773938
3.61
6.5101e-06
1.782e-08
d
yr
n .272963267268618 1.3474e-09 deg/d
Q 2.731932378040421 8.9902e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      7593 days (20.79 yr)  
   first obs. used      1999-09-03  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:50:24  

Additional Information
 Earth MOID = .964321 au 
 Jupiter MOID = 2.54374 au 
 T_jup = 3.534 
[ 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 MPO468694  
diameter diameter 1.735 km 0.380 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.256   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74698 (1999 RZ142)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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