Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.568679E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T03:00:13+0800
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    1 Object 1

    AOE ID 31441
    NORAD ID 31441
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 41599
    NORAD ID 41599
    Object Type PAYLOAD
    Country
    IN IN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB CARTOSAT 2C
    Time of Closest Approach 2026-10-17T23:35:21+0000
    Collision Probability (Pc) 3.568679E-6
    Conjunction Distance (km) 1.819 km
    Relative Speed (km/s) 13.988 km/s
    Conjunction Risk Parameters R (Radial): -0.3 | I (In-track): -0.708 | C (Cross-track): -1.647
    Collision Risk Index (CRI) 0.46
    X Position (km) -2481.626 -2481.165
    Position Y (km) -374.264 -376.006
    Position Z (km) 6400.222 6399.976
    Velocity X (km/s) 5.804 -6.963
    Velocity Y (km/s) 4.288 1.676
    Velocity Z (km/s) 2.494 -2.59

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB CARTOSAT 2C
    Semimajor Axis (a) 6922.990 km 6886.315 km
    Eccentricity (e) 0.005944 0.001027
    Inclination (i) 99.2807° 97.4339°
    RAAN 212.0879° 348.6932°
    Perigee Argument 76.7635° 69.8325°
    Mean Anomaly (M) 284.0209° 290.4013°
    Apogee 586.007 km 515.248 km
    Perigee 503.699 km 501.108 km
    Orbit Epoch 2026-10-17T00:58:28+0000 2026-10-17T12:02:31+0000

    FENGYUN 1C DEB & CARTOSAT 2C Collision Probability (Pc) Trend

    FENGYUN 1C DEB & CARTOSAT 2C Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & CARTOSAT 2C Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & CARTOSAT 2C Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CARTOSAT 2CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CARTOSAT 2CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data