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JPL Small-Body Database Browser
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278361 (2007 JJ43)
Classification: TransNeptunian Object          SPK-ID: 2278361
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1667472455335132 3.1743e-05  
a 48.43529289213301 0.0022284 au
q 40.35884121576088 0.00068249 au
i 12.02176969590014 0.00013165 deg
node 272.5823430336624 0.00031939 deg
peri 6.956153271556283 0.0080277 deg
M 341.6565616451705 0.0061623 deg
tp 2464874.139597382784
(2036-Jun-29.63959738)
1.8389 TDB
period 123123.6048209673
337.09
8.4968
0.02326
d
yr
n .002923890999808463 2.0178e-07 deg/d
Q 56.51174456850513 0.0025999 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      4813 days (13.18 yr)  
   first obs. used      2002-05-10  
   last obs. used      2015-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .38436  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 16:09:40  

Additional Information
 Earth MOID = 39.3422 au 
 Jupiter MOID = 35.1369 au 
 T_jup = 5.992 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 4.5   n/a MPO386165  
rotation period rot_per 12.097 h n/a LCDB (Rev. 2019-January); 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.; Szabo, R.; Szabo, Gy.M.; Kiss, L.L; et al (2015) Astrophys. J. Let. 804, L45.]

278361 (2007 JJ43)          Discovered 2007-May-14 by Palomar at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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