Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.939732E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T21:34:23+0800
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    1 Object 1

    AOE ID 39634
    NORAD ID 39634
    Object Type PAYLOAD
    Country
    ESA ESA
    ← VS →

    2 Object 2

    AOE ID 41494
    NORAD ID 41494
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter SENTINEL 1A NOAA 16 DEB
    Time of Closest Approach 2026-10-16T23:23:01+0000
    Collision Probability (Pc) 6.939732E-6
    Conjunction Distance (km) 1.474 km
    Relative Speed (km/s) 14.289 km/s
    Conjunction Risk Parameters R (Radial): -0.344 | I (In-track): -0.421 | C (Cross-track): 1.369
    Collision Risk Index (CRI) 0.52
    X Position (km) 2256.996 2256.029
    Position Y (km) -2667.731 -2668.806
    Position Z (km) -6157.277 -6157.562
    Velocity X (km/s) 2.386 -5.79
    Velocity Y (km/s) -6.158 3.203
    Velocity Z (km/s) 3.545 -3.503

    Orbital Parameters 国际轨道数据源

    Parameter SENTINEL 1A NOAA 16 DEB
    Semimajor Axis (a) 7071.825 km 7058.342 km
    Eccentricity (e) 0.000142 0.002261
    Inclination (i) 98.1593° 98.9254°
    RAAN 294.9262° 145.0513°
    Perigee Argument 81.8749° 42.2487°
    Mean Anomaly (M) 278.2613° 318.0450°
    Apogee 694.695 km 696.164 km
    Perigee 692.681 km 664.246 km
    Orbit Epoch 2026-10-16T07:12:54+0000 2026-10-15T20:02:23+0000

    SENTINEL 1A & NOAA 16 DEB Collision Probability (Pc) Trend

    SENTINEL 1A & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    SENTINEL 1A & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    SENTINEL 1A & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    SENTINEL 1AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SENTINEL 1ACollision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SENTINEL 1A

    No nearby objects data