Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.64862E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-24T21:21:38+0800
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    1 Object 1

    AOE ID 5730
    NORAD ID 5730
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 53973
    NORAD ID 53973
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-8 R/B STARLINK-5156
    Time of Closest Approach 2026-09-25T00:00:40+0000
    Collision Probability (Pc) 1.64862E-6
    Conjunction Distance (km) 2.426 km
    Relative Speed (km/s) 12.131 km/s
    Conjunction Risk Parameters R (Radial): -0.809 | I (In-track): -1.412 | C (Cross-track): -1.797
    Collision Risk Index (CRI) 0.39
    X Position (km) -5054.671 -5054.939
    Position Y (km) 219.782 217.595
    Position Z (km) 4605.986 4606.998
    Velocity X (km/s) 4.934 -3.275
    Velocity Y (km/s) -3.138 -6.056
    Velocity Z (km/s) 5.142 -3.298

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 R/B STARLINK-5156
    Semimajor Axis (a) 7135.072 km 6848.819 km
    Eccentricity (e) 0.053755 0.000099
    Inclination (i) 73.8866° 53.1609°
    RAAN 163.8310° 46.7648°
    Perigee Argument 89.4527° 66.5664°
    Mean Anomaly (M) 276.8170° 293.5441°
    Apogee 1140.480 km 471.361 km
    Perigee 373.390 km 470.003 km
    Orbit Epoch 2026-09-24T03:48:49+0000 2026-09-23T16:09:30+0000

    SL-8 R/B & STARLINK-5156 Collision Probability (Pc) Trend

    SL-8 R/B & STARLINK-5156 Collision Probability (Pc) TrendNot Available

    SL-8 R/B & STARLINK-5156 Miss Distance (Miss Distance) Trend

    SL-8 R/B & STARLINK-5156 Miss Distance (Miss Distance) TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5156Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5156Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 R/B

    No nearby objects data