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101002 (1998 QE46)
Classification: Main-belt Asteroid          SPK-ID: 2101002
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027839171141365 4.2785e-08  
a 2.245178666678451 8.3036e-09 au
q 1.7898925420283 9.6703e-08 au
i 6.089580747247776 4.0955e-06 deg
node 159.4723137095205 3.8801e-05 deg
peri 228.6773845866821 4.0243e-05 deg
M 135.5415998133545 1.01e-05 deg
tp 2458537.858173458386
(2019-Feb-23.35817346)
3.3397e-05 TDB
period 1228.781848409107
3.36
6.8168e-06
1.866e-08
d
yr
n .2929730777404376 1.6253e-09 deg/d
Q 2.700464791328602 9.9875e-09 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7948 days (21.76 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:00  

Additional Information
 Earth MOID = .800792 au 
 Jupiter MOID = 2.75794 au 
 T_jup = 3.597 
[ 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 16.8   n/a MPO453463  

101002 (1998 QE46)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2051-May-15 07:04 00:01 Ceres 0.0292958202153201 0.0292926828912472 0.0292989586195155 4.75884072172325 4.7588376914278 2470306.794670145 1.0025278206079 331.10996586665 46.4354857346786 63.0513927359411 83843.0029112235 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:01 2020-Nov-12 20:03
2138-Oct-30 00:04 00:04 Ceres 0.0385399118658976 0.0385217976401529 0.0385580274442818 4.52751160347395 4.52750918232508 2502250.502663481 4.03586962126873 965.525859231851 40.9912817793981 -21.7214298745654 52000.4003147619 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:01 2020-Nov-12 20:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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