Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.723704E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T19:22:02+0800
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    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) 1.723704E-6
    Conjunction Distance (km) 2.458 km
    Relative Speed (km/s) 13.615 km/s
    Conjunction Risk Parameters R (Radial): 0.806 | I (In-track): 0.998 | C (Cross-track): -2.096
    Collision Risk Index (CRI) 0.4
    X Position (km) -529.154 -528.156
    Position Y (km) -897.364 -895.43
    Position Z (km) -6930.316 -6931.458
    Velocity X (km/s) 7.505 -4.578
    Velocity Y (km/s) -0.309 5.964
    Velocity Z (km/s) -0.546 -0.421

    Orbital Parameters 国际轨道数据源

    Parameter SL-14 R/B SKYMED 4
    Semimajor Axis (a) 7001.258 km 7000.663 km
    Eccentricity (e) 0.001678 0.000144
    Inclination (i) 82.4952° 97.8891°
    RAAN 0.8356° 124.6848°
    Perigee Argument 187.2220° 79.2938°
    Mean Anomaly (M) 172.8756° 280.8437°
    Apogee 634.869 km 623.532 km
    Perigee 611.373 km 621.520 km
    Orbit Epoch 2026-10-29T14:05:24+0000 2026-10-29T23:48:58+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