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135812 (2002 RL169)
Classification: Main-belt Asteroid          SPK-ID: 2135812
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828161609104492 3.6861e-08  
a 2.649032938052923 1.1994e-08 au
q 2.164746906192759 9.7039e-08 au
i 1.343664167726268 5.0166e-06 deg
node 334.0731694641202 0.0001655 deg
peri 312.9839638519325 0.00016612 deg
M 134.5325914973526 1.3299e-05 deg
tp 2458611.989153208433
(2019-May-08.48915321)
5.7442e-05 TDB
period 1574.814715801661
4.31
1.0695e-05
2.928e-08
d
yr
n .2285983210518462 1.5525e-09 deg/d
Q 3.133318969913086 1.4186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      10030 days (27.46 yr)  
   first obs. used      1993-07-20  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59057  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:14:42  

Additional Information
 Earth MOID = 1.14671 au 
 Jupiter MOID = 2.0356 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457172.5 (2015-May-30.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831201000280796 3.6751e-08  
q 2.163949006015712 9.6821e-08 au
tp 2457039.140816872677
(2015-Jan-16.64081687)
5.7036e-05 TDB
node 334.1854141016635 0.00016539 deg
peri 313.205821920801 0.00016601 deg
i 1.344192613381447 5.0185e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      10030 days (27.46 yr)  
   first obs. used      1993-07-20  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59057  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:14:42  

Additional Information
 Jupiter MOID = 2.0356 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.350626581399051E-15 -3.539967831027281E-15 4.753555777368609E-13 -6.027206666834475E-15 8.401498468026205E-14 -2.662803842705339E-16
q -3.539967831027281E-15 9.374308172803037E-15 -1.292616880009287E-12 1.636597286994463E-14 -2.310398066416063E-13 8.587397179838132E-16
tp 4.753555777368609E-13 -1.292616880009287E-12 3.253155676525494E-9 -9.903603838803148E-12 8.306243986883471E-10 -6.712636813269706E-13
node -6.027206666834475E-15 1.636597286994463E-14 -9.903603838803148E-12 2.735391436852589E-8 -2.734779403831719E-8 1.428941415838532E-10
peri 8.401498468026205E-14 -2.310398066416063E-13 8.306243986883471E-10 -2.734779403831719E-8 2.755981491856743E-8 -1.430006260673697E-10
i -2.662803842705339E-16 8.587397179838132E-16 -6.712636813269706E-13 1.428941415838532E-10 -1.430006260673697E-10 2.518581082234692E-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 16.51   n/a MPCxxxxx  
diameter diameter 2.558 km 0.411 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135812 (2002 RL169)          Discovered 2002-Sep-13 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2002 RL169 = 1993 OS4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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