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101142 (1998 RQ69)
Classification: Main-belt Asteroid          SPK-ID: 2101142
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873445781031648 4.5753e-08  
a 2.630867834046107 1.1651e-08 au
q 2.137989009631552 1.219e-07 au
i 2.76094534732066 4.9387e-06 deg
node 24.20676345212223 9.1312e-05 deg
peri 334.4899378397368 9.2152e-05 deg
M 78.68825752160616 1.1858e-05 deg
tp 2458859.813910610191
(2020-Jan-11.31391061)
5.0581e-05 TDB
period 1558.644148990781
4.27
1.0354e-05
2.835e-08
d
yr
n .23096997491897 1.5343e-09 deg/d
Q 3.123746658460662 1.3833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      8161 days (22.34 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:23  

Additional Information
 Earth MOID = 1.13316 au 
 Jupiter MOID = 2.32596 au 
 T_jup = 3.373 
[ 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 16.2   n/a MPO439692  
diameter diameter 3.693 km 1.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.039   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

101142 (1998 RQ69)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 RQ69 = 2002 PV51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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