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78941 (2003 SN169)
Classification: Main-belt Asteroid          SPK-ID: 2078941
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09464859983567618 3.8907e-08  
a 2.369392885036018 9.9747e-09 au
q 2.145133166006745 9.1053e-08 au
i 6.093282175146454 3.9461e-06 deg
node 158.174027565829 4.1084e-05 deg
peri 286.7694768673937 4.7476e-05 deg
M 191.4292027836385 2.4743e-05 deg
tp 2459824.283505702475
(2022-Sep-01.78350570)
9.3077e-05 TDB
period 1332.152815084954
3.65
8.4122e-06
2.303e-08
d
yr
n .2702392667894051 1.7065e-09 deg/d
Q 2.59365260406529 1.0919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      9605 days (26.30 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:39:21  

Additional Information
 Earth MOID = 1.1704 au 
 Jupiter MOID = 2.56607 au 
 T_jup = 3.532 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.10   n/a MPCxxxxx  
rotation period rot_per 33.9508 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.]

78941 (2003 SN169)          Discovered 2003-Sep-23 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 SN169 = 1998 HD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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