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85889 (1999 CH40)
Classification: Main-belt Asteroid          SPK-ID: 2085889
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 .1183944654012958 3.2678e-08  
a 2.572311707968559 1.0755e-08 au
q 2.267764238458128 8.1439e-08 au
i 13.85452995957626 3.7447e-06 deg
node 112.7322204176822 2.2447e-05 deg
peri 38.09445797509323 3.5409e-05 deg
M 100.146095361351 2.6843e-05 deg
tp 2458781.305728819456
(2019-Oct-24.80572882)
0.00011178 TDB
period 1506.897868363982
4.13
9.451e-06
2.588e-08
d
yr
n .2389013930923182 1.4983e-09 deg/d
Q 2.876859177478991 1.2029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1368  
   data-arc span      7902 days (21.63 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:15:34  

Additional Information
 Earth MOID = 1.29551 au 
 Jupiter MOID = 2.19416 au 
 T_jup = 3.379 
[ 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 14.43   n/a E2021B10  
rotation period rot_per 56.025 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.]

85889 (1999 CH40)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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