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267494 (2002 JB9)
Classification: Apollo [NEO, PHA]          SPK-ID: 2267494
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7846637176601883 7.553e-08  
a 2.718382578869711 6.6607e-09 au
q .5853663985111137 2.0505e-07 au
i 46.75521350094049 2.2426e-05 deg
node 70.33186138938267 7.6956e-06 deg
peri 277.9045843789299 1.8289e-05 deg
M 349.6577796198795 2.8058e-06 deg
tp 2459047.530065258570
(2020-Jul-17.03006526)
1.2793e-05 TDB
period 1637.05885881423
4.48
6.0168e-06
1.647e-08
d
yr
n .2199065708979815 8.0823e-10 deg/d
Q 4.851398759228309 1.1887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      6610 days (18.10 yr)  
   first obs. used      2002-04-21  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-27 07:03:36  

Additional Information
 Earth MOID = .0306607 au 
 Jupiter MOID = 3.28884 au 
 T_jup = 2.528 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO345682  
rotation period rot_per 2.4261 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2002) http://www.asu.cas.cz/~ppravec/neo.htm]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hicks, M.; Sommers, J.; Rhoades, H.; McCormack, M.; et al. (2011) Astronomer's Telegram 3560. http://www.astronomerstelegram.org]

267494 (2002 JB9)          Discovered 2002-May-06 by LINEAR at Socorro
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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