Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.70572E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T08:19:09+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 2026-10-31T18:19:54+0000
    Collision Probability (Pc) 1.70572E-6
    Conjunction Distance (km) 2.469 km
    Relative Speed (km/s) 13.575 km/s
    Conjunction Risk Parameters R (Radial): -2.464 | I (In-track): 0.069 | C (Cross-track): 0.13
    Collision Risk Index (CRI) 0.4
    X Position (km) 527.232 526.975
    Position Y (km) 900.88 900.437
    Position Z (km) 6916.358 6913.943
    Velocity X (km/s) -7.524 4.524
    Velocity Y (km/s) 0.228 -6.026
    Velocity Z (km/s) 0.53 0.439

    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