Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.902596E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:54:57+0800
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    1 Object 1

    AOE ID 53210
    NORAD ID 53210
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59078
    NORAD ID 59078
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4427 STARLINK-31274
    Time of Closest Approach 2026-09-04T12:39:25+0000
    Collision Probability (Pc) 2.902596E-6
    Conjunction Distance (km) 1.834 km
    Relative Speed (km/s) 10.526 km/s
    Conjunction Risk Parameters R (Radial): -1.72 | I (In-track): -0.455 | C (Cross-track): -0.44
    Collision Risk Index (CRI) 0.44
    X Position (km) 3238.353 3239.658
    Position Y (km) -3989.082 -3990.133
    Position Z (km) -4548.021 -4548.766
    Velocity X (km/s) 2.133 6.458
    Velocity Y (km/s) -4.673 3.852
    Velocity Z (km/s) 5.624 1.221

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4427 STARLINK-31274
    Semimajor Axis (a) 6855.014 km 6861.203 km
    Eccentricity (e) 0.000182 0.000148
    Inclination (i) 97.2835° 43.0053°
    RAAN 302.2159° 27.0002°
    Perigee Argument 58.9598° 279.2829°
    Mean Anomaly (M) 74.3179° 80.7855°
    Apogee 478.124 km 484.082 km
    Perigee 475.630 km 482.050 km
    Orbit Epoch 2026-09-04T04:00:02+0000 2026-09-03T10:18:45+0000

    STARLINK-4427 & STARLINK-31274 Collision Probability (Pc) Trend

    STARLINK-4427 & STARLINK-31274 Collision Probability (Pc) TrendNot Available

    STARLINK-4427 & STARLINK-31274 Miss Distance (Miss Distance) Trend

    STARLINK-4427 & STARLINK-31274 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4427Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31274Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4427Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31274Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4427

    No nearby objects data