Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.936225E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:46:17+0800
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    1 Object 1

    AOE ID 28920
    NORAD ID 28920
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 58895
    NORAD ID 58895
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-12 R/B(AUX MOTOR) STARLINK-31218
    Time of Closest Approach 2026-09-05T17:32:27+0000
    Collision Probability (Pc) 1.936225E-6
    Conjunction Distance (km) 2.372 km
    Relative Speed (km/s) 14.751 km/s
    Conjunction Risk Parameters R (Radial): 0.864 | I (In-track): 1.284 | C (Cross-track): -1.796
    Collision Risk Index (CRI) 0.41
    X Position (km) -5749.791 -5750.219
    Position Y (km) -3561.807 -3559.476
    Position Z (km) 1078.944 1078.877
    Velocity X (km/s) 0.546 3.258
    Velocity Y (km/s) -4.435 -3.431
    Velocity Z (km/s) -8.475 5.989

    Orbital Parameters 国际轨道数据源

    Parameter SL-12 R/B(AUX MOTOR) STARLINK-31218
    Semimajor Axis (a) 16184.423 km 6848.863 km
    Eccentricity (e) 0.578215 0.000147
    Inclination (i) 65.2395° 53.1602°
    RAAN 36.8929° 213.4068°
    Perigee Argument 161.8509° 82.5085°
    Mean Anomaly (M) 233.2227° 277.6083°
    Apogee 19164.366 km 471.733 km
    Perigee 448.206 km 469.719 km
    Orbit Epoch 2026-09-03T06:35:26+0000 2026-09-03T21:38:37+0000

    SL-12 R/B(AUX MOTOR) & STARLINK-31218 Collision Probability (Pc) Trend

    SL-12 R/B(AUX MOTOR) & STARLINK-31218 Collision Probability (Pc) TrendNot Available

    SL-12 R/B(AUX MOTOR) & STARLINK-31218 Miss Distance (Miss Distance) Trend

    SL-12 R/B(AUX MOTOR) & STARLINK-31218 Miss Distance (Miss Distance) TrendNot Available

    SL-12 R/B(AUX MOTOR)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31218Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-12 R/B(AUX MOTOR)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31218Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-12 R/B(AUX MOTOR)

    No nearby objects data