Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.541342E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T18:17:30+0800
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    1 Object 1

    Name STEP 2
    AOE ID 23105
    NORAD ID 23105
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61458
    NORAD ID 61458
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter STEP 2 CZ-6A DEB
    Time of Closest Approach 2026-09-06T21:02:08+0000
    Collision Probability (Pc) 1.541342E-6
    Conjunction Distance (km) 2.703 km
    Relative Speed (km/s) 14.788 km/s
    Conjunction Risk Parameters R (Radial): -2.231 | I (In-track): 0.298 | C (Cross-track): 1.496
    Collision Risk Index (CRI) 0.39
    X Position (km) -876.069 -874.291
    Position Y (km) -2837.934 -2837.289
    Position Z (km) 6334.794 6332.863
    Velocity X (km/s) 0.474 2.331
    Velocity Y (km/s) -6.906 6.445
    Velocity Z (km/s) -2.964 3.118

    Orbital Parameters 国际轨道数据源

    Parameter STEP 2 CZ-6A DEB
    Semimajor Axis (a) 6972.777 km 6967.074 km
    Eccentricity (e) 0.008182 0.011235
    Inclination (i) 81.9348° 88.9346°
    RAAN 92.3214° 250.8826°
    Perigee Argument 357.6576° 188.4564°
    Mean Anomaly (M) 2.4245° 171.4778°
    Apogee 651.694 km 667.211 km
    Perigee 537.586 km 510.663 km
    Orbit Epoch 2026-09-05T01:02:41+0000 2026-09-04T18:52:13+0000

    STEP 2 & CZ-6A DEB Collision Probability (Pc) Trend

    STEP 2 & CZ-6A DEB Collision Probability (Pc) TrendNot Available

    STEP 2 & CZ-6A DEB Miss Distance (Miss Distance) Trend

    STEP 2 & CZ-6A DEB Miss Distance (Miss Distance) TrendNot Available

    STEP 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-6A DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STEP 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-6A DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STEP 2

    No nearby objects data