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78804 (2003 NY8)
Classification: Main-belt Asteroid          SPK-ID: 2078804
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05790157554569553 5.9369e-08  
a 2.649443171908525 2.1852e-08 au
q 2.496036237936237 1.6171e-07 au
i 12.23267983953627 5.8853e-06 deg
node 279.0582197009599 2.9624e-05 deg
peri 26.08936967478596 5.72e-05 deg
M 54.95821032021961 5.0955e-05 deg
tp 2459156.030267117391
(2020-Nov-02.53026712)
0.00022218 TDB
period 1575.180547789595
4.31
1.9488e-05
5.336e-08
d
yr
n .2285452296279163 2.8275e-09 deg/d
Q 2.802850105880814 2.3118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      9003 days (24.65 yr)  
   first obs. used      1996-12-13  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:48:42  

Additional Information
 Earth MOID = 1.48463 au 
 Jupiter MOID = 2.36052 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457197.5 (2015-Jun-24.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05704778205683313 5.9629e-08  
q 2.498184372198023 1.6201e-07 au
tp 2457587.634406450362
(2016-Jul-18.13440645)
0.00021975 TDB
node 279.0989429715024 2.9598e-05 deg
peri 27.78300206774439 5.7395e-05 deg
i 12.23818068963952 5.8852e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      9003 days (24.65 yr)  
   first obs. used      1996-12-13  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:48:42  

Additional Information
 Jupiter MOID = 2.36052 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.555658800972519E-15 -9.586533615318055E-15 2.875934736776352E-12 1.628076506562915E-14 6.550398212433856E-13 5.900327200221671E-15
q -9.586533615318055E-15 2.624837885775156E-14 -6.901214694829113E-12 -4.717688745881297E-14 -1.595606406001367E-12 -1.425736487096334E-14
tp 2.875934736776352E-12 -6.901214694829113E-12 4.829065149430706E-8 7.652296590440616E-12 1.085391305882158E-8 2.238271971691773E-11
node 1.628076506562915E-14 -4.717688745881297E-14 7.652296590440616E-12 8.76026519777476E-10 -8.537803410019711E-10 5.434259993956192E-11
peri 6.550398212433856E-13 -1.595606406001367E-12 1.085391305882158E-8 -8.537803410019711E-10 3.294236890813249E-9 -4.814302029263271E-11
i 5.900327200221671E-15 -1.425736487096334E-14 2.238271971691773E-11 5.434259993956192E-11 -4.814302029263271E-11 3.463612403610167E-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 14.75   n/a MPCxxxxx  
diameter diameter 3.010 km 0.870 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 52.89 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.162   0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78804 (2003 NY8)          Discovered 2003-Jul-01 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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