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227991 (2007 JJ10)
Classification: Main-belt Asteroid          SPK-ID: 2227991
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 .1311824191480283 3.9844e-08  
a 2.593095538757973 2.2886e-08 au
q 2.252926992901743 9.9895e-08 au
i 12.41498278645371 8.1572e-06 deg
node 234.028880737543 2.8832e-05 deg
peri 229.6635738359919 5.8524e-05 deg
M 205.5066110252922 4.7381e-05 deg
tp 2459855.036097968019
(2022-Oct-02.53609797)
0.00020159 TDB
period 1525.19791838512
4.18
2.0191e-05
5.528e-08
d
yr
n .2360349405545794 3.1247e-09 deg/d
Q 2.933264084614203 2.5888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      7205 days (19.73 yr)  
   first obs. used      2000-09-23  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:56  

Additional Information
 Earth MOID = 1.28973 au 
 Jupiter MOID = 2.34214 au 
 T_jup = 3.374 
[ 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 15.31   n/a E2021B55  
diameter diameter 2.541 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20.305 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.249   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227991 (2007 JJ10)          Discovered 2007-May-07 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2007 JJ10 = 2000 SP14 = 2004 RS206 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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