Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.092504E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T13:39:07+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 39720
    NORAD ID 39720
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter SENTINEL 1A SL-16 DEB
    Time of Closest Approach 2026-10-16T20:51:59+0000
    Collision Probability (Pc) 5.092504E-6
    Conjunction Distance (km) 1.564 km
    Relative Speed (km/s) 12.009 km/s
    Conjunction Risk Parameters R (Radial): -0.331 | I (In-track): -0.916 | C (Cross-track): 1.223
    Collision Risk Index (CRI) 0.49
    X Position (km) -1788.469 -1789.984
    Position Y (km) 1531.347 1531.707
    Position Z (km) 6660.181 6660.042
    Velocity X (km/s) -2.786 -5.676
    Velocity Y (km/s) 6.598 -4.904
    Velocity Z (km/s) -2.26 -0.378

    Orbital Parameters 国际轨道数据源

    Parameter SENTINEL 1A SL-16 DEB
    Semimajor Axis (a) 7071.828 km 7073.930 km
    Eccentricity (e) 0.000140 0.002331
    Inclination (i) 98.1592° 70.7854°
    RAAN 294.5886° 42.6733°
    Perigee Argument 83.7483° 12.3287°
    Mean Anomaly (M) 276.3877° 347.8422°
    Apogee 694.682 km 712.286 km
    Perigee 692.700 km 679.300 km
    Orbit Epoch 2026-10-15T22:59:25+0000 2026-10-15T14:49:42+0000

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

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

    SENTINEL 1A & SL-16 DEB Miss Distance (Miss Distance) Trend

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

    SENTINEL 1AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SENTINEL 1ACollision Probability Trend

    Object 1 Probability TrendNot Available

    SL-16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SENTINEL 1A

    No nearby objects data