Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.788845E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T08:19:09+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 21423
    NORAD ID 21423
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 37216
    NORAD ID 37216
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter SL-14 R/B SKYMED 4
    Time of Closest Approach 2026-11-01T09:43:29+0000
    Collision Probability (Pc) 1.788845E-6
    Conjunction Distance (km) 2.41 km
    Relative Speed (km/s) 13.615 km/s
    Conjunction Risk Parameters R (Radial): 0.838 | I (In-track): 0.973 | C (Cross-track): -2.038
    Collision Risk Index (CRI) 0.4
    X Position (km) -529.101 -528.132
    Position Y (km) -897.375 -895.502
    Position Z (km) -6930.309 -6931.473
    Velocity X (km/s) 7.505 -4.578
    Velocity Y (km/s) -0.309 5.964
    Velocity Z (km/s) -0.546 -0.422

    Orbital Parameters 国际轨道数据源

    Parameter SL-14 R/B SKYMED 4
    Semimajor Axis (a) 7001.257 km 7000.663 km
    Eccentricity (e) 0.001685 0.000144
    Inclination (i) 82.4951° 97.8893°
    RAAN 0.0125° 125.2840°
    Perigee Argument 184.3780° 81.7030°
    Mean Anomaly (M) 175.7290° 278.4347°
    Apogee 634.918 km 623.537 km
    Perigee 611.322 km 621.515 km
    Orbit Epoch 2026-10-30T11:09:22+0000 2026-10-30T14:23:54+0000

    SL-14 R/B & SKYMED 4 Collision Probability (Pc) Trend

    SL-14 R/B & SKYMED 4 Collision Probability (Pc) TrendNot Available

    SL-14 R/B & SKYMED 4 Miss Distance (Miss Distance) Trend

    SL-14 R/B & SKYMED 4 Miss Distance (Miss Distance) TrendNot Available

    SL-14 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SKYMED 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-14 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    SKYMED 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-14 R/B

    No nearby objects data