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19677 (1999 RN168)
Classification: Main-belt Asteroid          SPK-ID: 2019677
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407299344558995 4.8672e-08  
a 2.861814366781 1.5466e-08 au
q 2.459071418518958 1.3868e-07 au
i 14.42023912015634 6.3252e-06 deg
node 347.5141407922636 1.9417e-05 deg
peri 81.57737138040774 3.3868e-05 deg
M 75.99866852340081 2.4283e-05 deg
tp 2458827.194748798119
(2019-Dec-09.69474880)
0.00011915 TDB
period 1768.319011948176
4.84
1.4335e-05
3.925e-08
d
yr
n .2035831756416983 1.6503e-09 deg/d
Q 3.264557315043041 1.7643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1193  
   data-arc span      14210 days (38.90 yr)  
   first obs. used      1982-02-20  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51453  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:44:08  

Additional Information
 Earth MOID = 1.52128 au 
 Jupiter MOID = 2.13437 au 
 T_jup = 3.240 
[ 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 14.07   n/a E2021B10  
rotation period rot_per 10.1443 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.]

19677 (1999 RN168)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RN168 = 1982 DA4 = 1994 RE23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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