Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.014652E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T23:31:07+0800
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    1 Object 1

    AOE ID 5398
    NORAD ID 5398
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 31287
    NORAD ID 31287
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter RIGIDSPHERE 2 (LCS 4) FENGYUN 1C DEB
    Time of Closest Approach 2026-09-12T17:56:51+0000
    Collision Probability (Pc) 2.014652E-5
    Conjunction Distance (km) 0.807 km
    Relative Speed (km/s) 3.361 km/s
    Conjunction Risk Parameters R (Radial): -0.669 | I (In-track): 0.44 | C (Cross-track): 0.093
    Collision Risk Index (CRI) 0.61
    X Position (km) 2482.322 2481.756
    Position Y (km) -2148.256 -2147.836
    Position Z (km) 6360.174 6359.784
    Velocity X (km/s) -4.534 -6.423
    Velocity Y (km/s) 4.815 2.044
    Velocity Z (km/s) 3.431 3.21

    Orbital Parameters 国际轨道数据源

    Parameter RIGIDSPHERE 2 (LCS 4) FENGYUN 1C DEB
    Semimajor Axis (a) 7143.404 km 7170.565 km
    Eccentricity (e) 0.005774 0.002602
    Inclination (i) 87.6218° 99.3909°
    RAAN 314.6468° 337.2126°
    Perigee Argument 305.1606° 359.9555°
    Mean Anomaly (M) 54.4192° 0.1618°
    Apogee 806.511 km 811.088 km
    Perigee 724.023 km 773.768 km
    Orbit Epoch 2026-09-12T05:57:58+0000 2026-09-12T04:12:48+0000

    RIGIDSPHERE 2 (LCS 4) & FENGYUN 1C DEB Collision Probability (Pc) Trend

    RIGIDSPHERE 2 (LCS 4) & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    RIGIDSPHERE 2 (LCS 4) & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    RIGIDSPHERE 2 (LCS 4) & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    RIGIDSPHERE 2 (LCS 4)Miss 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

    RIGIDSPHERE 2 (LCS 4)Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with RIGIDSPHERE 2 (LCS 4)

    No nearby objects data