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78292 (2002 PQ52)
Classification: Main-belt Asteroid          SPK-ID: 2078292
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09982123457701574 3.6189e-08  
a 3.185096322518024 2.0322e-08 au
q 2.867156075357562 1.1752e-07 au
i 7.373156633636832 3.6541e-06 deg
node 112.1399576404788 3.2917e-05 deg
peri 261.4856910475009 3.937e-05 deg
M 70.43306283191349 1.9734e-05 deg
tp 2458990.284625634980
(2020-May-20.78462564)
0.00011451 TDB
period 2076.262608661489
5.68
1.9871e-05
5.44e-08
d
yr
n .1733884714285166 1.6594e-09 deg/d
Q 3.503036569678486 2.2351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1997-10-30  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51368  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:36:02  

Additional Information
 Earth MOID = 1.87886 au 
 Jupiter MOID = 2.00535 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457687.5 (2016-Oct-26.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021128112106023 3.6625e-08  
q 2.860053412303948 1.1857e-07 au
tp 2456894.160477644300
(2014-Aug-24.66047764)
0.00011436 TDB
node 112.5552935200694 3.3035e-05 deg
peri 258.1447834786897 3.9002e-05 deg
i 7.36084304322887 3.6442e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1997-10-30  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51368  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:36:02  

Additional Information
 Jupiter MOID = 2.00535 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.341406257992699E-15 -4.292888471179527E-15 4.869849190649135E-13 -7.899401749406363E-16 7.159989985376566E-14 -1.501569265446026E-15
q -4.292888471179527E-15 1.405823328603043E-14 -2.115005730340833E-12 5.404674030122673E-15 -3.096902719511196E-13 5.678426109017471E-15
tp 4.869849190649135E-13 -2.115005730340833E-12 1.307917128831595E-8 -1.819578293938233E-11 2.396456917903609E-9 -7.384173503811455E-14
node -7.899401749406363E-16 5.404674030122673E-15 -1.819578293938233E-11 1.091288597409455E-9 -1.085056473657358E-9 -1.895290176557553E-11
peri 7.159989985376566E-14 -3.096902719511196E-13 2.396456917903609E-9 -1.085056473657358E-9 1.521149644098313E-9 1.871296630458386E-11
i -1.501569265446026E-15 5.678426109017471E-15 -7.384173503811455E-14 -1.895290176557553E-11 1.871296630458386E-11 1.327998220894025E-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 14.32   n/a MPCxxxxx  
diameter diameter 7.737 km 0.395 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78292 (2002 PQ52)          Discovered 2002-Aug-08 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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