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85868 (1999 BZ9)
Classification: Main-belt Asteroid          SPK-ID: 2085868
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04477191496320145 4.4706e-08  
a 2.540567107815948 1.0684e-08 au
q 2.426821053306506 1.1057e-07 au
i .9728757559262038 3.8978e-06 deg
node 36.11907672442946 0.00025772 deg
peri 96.48205958558222 0.00026121 deg
M 98.88462265500942 4.3064e-05 deg
tp 2458594.224444011800
(2019-Apr-20.72444401)
0.00017648 TDB
period 1479.089429971573
4.05
9.3298e-06
2.554e-08
d
yr
n .2433929907854989 1.5353e-09 deg/d
Q 2.654313162325391 1.1162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      9718 days (26.61 yr)  
   first obs. used      1993-09-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56603  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:40:35  

Additional Information
 Earth MOID = 1.44119 au 
 Jupiter MOID = 2.34312 au 
 T_jup = 3.444 
[ 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 15.4   n/a MPO267963  

85868 (1999 BZ9)          Discovered 1999-Jan-23 by Korlevic, K. at Visnjan
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2114-Oct-16 15:52 00:12 Psych 0.0247786119567984 0.0247768361606939 0.0247803947852273 2.2359678020037 2.2359675836248 2493471.161430751 12.062474167489 728.750269011605 37.1836672204165 83.6465687778018 98793.4785938312 T 23 CATAB v2.0f-lin.ifort 2020-May-20 15:40:50 2020-May-20 15:40

Alternate Designations
 1999 BZ9 = 2001 SD26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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