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102052 (1999 RA125)
Classification: Main-belt Asteroid          SPK-ID: 2102052
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019507462832829 4.6196e-08  
a 3.137692300905965 2.794e-08 au
q 2.504032999130695 1.5442e-07 au
i .5445093984527627 6.164e-06 deg
node 198.696694831551 0.00046165 deg
peri 132.1433911330024 0.00046191 deg
M 304.4957191395752 1.8879e-05 deg
tp 2459513.495385163909
(2021-Oct-25.99538516)
0.00010923 TDB
period 2030.083750519291
5.56
2.7116e-05
7.424e-08
d
yr
n .1773325853713733 2.3686e-09 deg/d
Q 3.771351602681235 3.3583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      7610 days (20.84 yr)  
   first obs. used      1999-08-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:07  

Additional Information
 Earth MOID = 1.49143 au 
 Jupiter MOID = 1.60033 au 
 T_jup = 3.179 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457253.5 (2015-Aug-19.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2006633175804486 4.625e-08  
q 2.509424171044052 1.5452e-07 au
tp 2457484.527426176053
(2016-Apr-06.02742618)
9.3546e-05 TDB
node 198.6825942133472 0.00046184 deg
peri 132.4436472781194 0.00046211 deg
i .544175288182273 6.1625e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      7610 days (20.84 yr)  
   first obs. used      1999-08-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:07  

Additional Information
 Jupiter MOID = 1.60033 au 
 T_jup = 3.179 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.139093069010175E-15 -7.079247247192957E-15 1.73689122492157E-13 -8.846273791550672E-15 1.113336634582914E-13 -9.134515289130016E-17
q -7.079247247192957E-15 2.387565653043616E-14 4.977508299064939E-13 2.923774316730017E-14 -2.032771804412196E-13 3.28587939308322E-16
tp 1.73689122492157E-13 4.977508299064939E-13 8.750937795118495E-9 -2.082683427115459E-11 1.486368699990765E-9 2.868520902551727E-13
node -8.846273791550672E-15 2.923774316730017E-14 -2.082683427115459E-11 2.13296020580371E-7 -2.132896504936228E-7 3.99933715621202E-10
peri 1.113336634582914E-13 -2.032771804412196E-13 1.486368699990765E-9 -2.132896504936228E-7 2.135448331120591E-7 -3.998745197000024E-10
i -9.134515289130016E-17 3.28587939308322E-16 2.868520902551727E-13 3.99933715621202E-10 -3.998745197000024E-10 3.797685559672036E-11

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 15.53   n/a E2021B55  
diameter diameter 4.603 km 0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102052 (1999 RA125)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RA125 = 2003 GG19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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