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10335 (1991 PG9)
Classification: Main-belt Asteroid          SPK-ID: 2010335
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502060331487022 3.3439e-08  
a 2.794229404153987 1.0705e-08 au
q 2.374519289648555 9.3246e-08 au
i 8.94489853782742 3.6005e-06 deg
node 182.9310936079458 2.2177e-05 deg
peri 132.7800802017146 2.505e-05 deg
M 145.703468448156 1.1407e-05 deg
tp 2458706.007598041085
(2019-Aug-10.50759804)
5.3784e-05 TDB
period 1706.049055336372
4.67
9.804e-06
2.684e-08
d
yr
n .2110138620422148 1.2126e-09 deg/d
Q 3.213939518659419 1.2313e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2199  
   data-arc span      11331 days (31.02 yr)  
   first obs. used      1990-03-27  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:19:50  

Additional Information
 Earth MOID = 1.37168 au 
 Jupiter MOID = 2.15573 au 
 T_jup = 3.294 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457126.5 (2015-Apr-14.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520757426001025 3.3245e-08  
q 2.368192915885963 9.285e-08 au
tp 2457002.871307933520
(2014-Dec-11.37130793)
5.3806e-05 TDB
node 183.0088925372204 2.2145e-05 deg
peri 133.0468893648229 2.4964e-05 deg
i 8.952980213352674 3.6043e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2199  
   data-arc span      11331 days (31.02 yr)  
   first obs. used      1990-03-27  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:19:50  

Additional Information
 Jupiter MOID = 2.15573 au 
 T_jup = 3.294 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.105239841932362E-15 -3.071939666343719E-15 1.72534124218622E-14 -4.730761483540364E-15 -2.456990123265504E-14 -8.7219599210814E-16
q -3.071939666343719E-15 8.621033353268802E-15 -1.296303454904139E-13 1.268624787224174E-14 5.287766685613479E-14 2.666840862206332E-15
tp 1.72534124218622E-14 -1.296303454904139E-13 2.895033397523344E-9 5.674247775420262E-12 6.323328987781365E-10 -2.77496774766764E-12
node -4.730761483540364E-15 1.268624787224174E-14 5.674247775420262E-12 4.904051732994694E-10 -4.826372288211342E-10 6.347795871559758E-13
peri -2.456990123265504E-14 5.287766685613479E-14 6.323328987781365E-10 -4.826372288211342E-10 6.232250548172587E-10 -1.212375066942366E-12
i -8.7219599210814E-16 2.666840862206332E-15 -2.77496774766764E-12 6.347795871559758E-13 -1.212375066942366E-12 1.299093826962702E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.75   n/a MPCxxxxx  
diameter diameter 4.461 km 0.686 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.353   0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10335 (1991 PG9)          Discovered 1991-Aug-15 by Helin, E. F. at Palomar
Reference: 19990402/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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