Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.402676E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:23:54+0800
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    1 Object 1

    AOE ID 37168
    NORAD ID 37168
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 39421
    NORAD ID 39421
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter SBSS (USA 216) UNISAT 5
    Time of Closest Approach 2026-10-21T16:29:16+0000
    Collision Probability (Pc) 8.402676E-6
    Conjunction Distance (km) 1.291 km
    Relative Speed (km/s) 9.863 km/s
    Conjunction Risk Parameters R (Radial): 1.191 | I (In-track): -0.383 | C (Cross-track): 0.318
    Collision Risk Index (CRI) 0.53
    X Position (km) 851.566 852.078
    Position Y (km) -888.839 -888.654
    Position Z (km) -6829.976 -6831.146
    Velocity X (km/s) -7.476 -0.784
    Velocity Y (km/s) -0.455 -7.469
    Velocity Z (km/s) -0.915 0.896

    Orbital Parameters 国际轨道数据源

    Parameter SBSS (USA 216) UNISAT 5
    Semimajor Axis (a) 6892.003 km 6927.378 km
    Eccentricity (e) 0.008067 0.003005
    Inclination (i) 97.7130° 97.7243°
    RAAN 180.7003° 263.1545°
    Perigee Argument 132.1407° 31.1568°
    Mean Anomaly (M) 358.3917° 329.1432°
    Apogee 569.466 km 570.056 km
    Perigee 458.266 km 528.426 km
    Orbit Epoch 2026-10-19T21:10:27+0000 2026-10-19T21:47:41+0000

    SBSS (USA 216) & UNISAT 5 Collision Probability (Pc) Trend

    SBSS (USA 216) & UNISAT 5 Collision Probability (Pc) TrendNot Available

    SBSS (USA 216) & UNISAT 5 Miss Distance (Miss Distance) Trend

    SBSS (USA 216) & UNISAT 5 Miss Distance (Miss Distance) TrendNot Available

    SBSS (USA 216)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UNISAT 5Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SBSS (USA 216)Collision Probability Trend

    Object 1 Probability TrendNot Available

    UNISAT 5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SBSS (USA 216)

    No nearby objects data