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85649 (1998 QZ1)
Classification: Main-belt Asteroid          SPK-ID: 2085649
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2303231392782175 4.0788e-08  
a 2.225690393943238 7.1272e-09 au
q 1.713062395348859 9.1031e-08 au
i 3.223440453004578 4.47e-06 deg
node 187.2200959913209 5.9879e-05 deg
peri 175.113212746532 6.0365e-05 deg
M 179.0614891221444 6.7034e-06 deg
tp 2458397.252896836389
(2018-Oct-05.75289684)
2.2501e-05 TDB
period 1212.817776751321
3.32
5.8256e-06
1.595e-08
d
yr
n .2968294222766947 1.4258e-09 deg/d
Q 2.738318392537617 8.7688e-09 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      8330 days (22.81 yr)  
   first obs. used      1997-04-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:36:30  

Additional Information
 Earth MOID = .710494 au 
 Jupiter MOID = 2.71996 au 
 T_jup = 3.609 
[ 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 16.2   n/a MPO453287  

85649 (1998 QZ1)          Discovered 1998-Aug-19 by NEAT at Haleakala
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
1923-Nov-19 09:35 00:02 Juno 0.0249372640161552 0.0249257885243651 0.024948739835218 4.75743677019176 4.75743666764447 2423742.899326297 1.7247940911795 589.439770313713 41.063876255903 -14.0569531328163 22885.3977939799 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:36:47 2020-Feb-23 20:36

Alternate Designations
 1998 QZ1 = 2000 EL159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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