Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.231929E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T15:23:36+0800
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    1 Object 1

    AOE ID 21152
    NORAD ID 21152
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 37687
    NORAD ID 37687
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter NADEZHDA 3 FENGYUN 1C DEB
    Time of Closest Approach 2026-09-15T06:56:59+0000
    Collision Probability (Pc) 7.231929E-7
    Conjunction Distance (km) 2.752 km
    Relative Speed (km/s) 4.016 km/s
    Conjunction Risk Parameters R (Radial): 1.024 | I (In-track): 2.47 | C (Cross-track): 0.65
    Collision Risk Index (CRI) 0.32
    X Position (km) -1236.534 -1235.938
    Position Y (km) -3364.866 -3363.237
    Position Z (km) 6441.425 6443.561
    Velocity X (km/s) 3.893 0.058
    Velocity Y (km/s) 5.199 6.375
    Velocity Z (km/s) 3.427 3.595

    Orbital Parameters 国际轨道数据源

    Parameter NADEZHDA 3 FENGYUN 1C DEB
    Semimajor Axis (a) 7361.565 km 7313.797 km
    Eccentricity (e) 0.004136 0.032601
    Inclination (i) 82.9238° 98.1895°
    RAAN 237.9067° 263.0558°
    Perigee Argument 187.6506° 320.0414°
    Mean Anomaly (M) 179.7357° 100.3357°
    Apogee 1013.875 km 1174.098 km
    Perigee 952.981 km 697.222 km
    Orbit Epoch 2026-09-13T23:14:13+0000 2026-09-13T06:31:02+0000

    NADEZHDA 3 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    NADEZHDA 3 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    NADEZHDA 3 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    NADEZHDA 3 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    NADEZHDA 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NADEZHDA 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NADEZHDA 3

    No nearby objects data