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JPL Small-Body Database Browser
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27925 (1997 CJ1)
Classification: Main-belt Asteroid          SPK-ID: 2027925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885117003510378 2.8705e-08  
a 2.326480762620543 7.9848e-09 au
q 1.887911918224966 6.5395e-08 au
i 3.171045850320608 3.2819e-06 deg
node 76.60929727533755 6.8428e-05 deg
peri 166.1008666786605 6.9207e-05 deg
M 133.5560916655099 1.0433e-05 deg
tp 2458519.650879228912
(2019-Feb-05.15087923)
3.6995e-05 TDB
period 1296.127202577427
3.55
6.6727e-06
1.827e-08
d
yr
n .2777505165265556 1.4299e-09 deg/d
Q 2.76504960701612 9.4901e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1177  
   data-arc span      10258 days (28.08 yr)  
   first obs. used      1991-10-02  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51477  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:09:25  

Additional Information
 Earth MOID = .875149 au 
 Jupiter MOID = 2.25127 au 
 T_jup = 3.548 
[ 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 15.4   n/a MPO337494  
rotation period rot_per 1.97 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

27925 (1997 CJ1)          Discovered 1997-Feb-01 by Kobayashi, T. at Oizumi
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 CJ1 = 1998 SB79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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