Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.501912E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:44:04+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 58355
    NORAD ID 58355
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4427 STARLINK-30903
    Time of Closest Approach 2026-09-04T22:04:37+0000
    Collision Probability (Pc) 1.501912E-6
    Conjunction Distance (km) 2.595 km
    Relative Speed (km/s) 12.662 km/s
    Conjunction Risk Parameters R (Radial): -1.687 | I (In-track): 1.104 | C (Cross-track): 1.633
    Collision Risk Index (CRI) 0.39
    X Position (km) 3268.5 3267.628
    Position Y (km) -3974.73 -3975.929
    Position Z (km) -4538.818 -4540.946
    Velocity X (km/s) 2.158 5.039
    Velocity Y (km/s) -4.651 5.575
    Velocity Z (km/s) 5.633 -1.256

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4427 STARLINK-30903
    Semimajor Axis (a) 6855.014 km 6861.201 km
    Eccentricity (e) 0.000182 0.000181
    Inclination (i) 97.2835° 43.0049°
    RAAN 302.2159° 64.0079°
    Perigee Argument 58.9598° 269.2337°
    Mean Anomaly (M) 74.3179° 90.8308°
    Apogee 478.124 km 484.304 km
    Perigee 475.630 km 481.824 km
    Orbit Epoch 2026-09-04T04:00:02+0000 2026-09-03T21:25:21+0000

    STARLINK-4427 & STARLINK-30903 Collision Probability (Pc) Trend

    STARLINK-4427 & STARLINK-30903 Collision Probability (Pc) TrendNot Available

    STARLINK-4427 & STARLINK-30903 Miss Distance (Miss Distance) Trend

    STARLINK-4427 & STARLINK-30903 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4427Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30903Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4427Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30903Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4427

    No nearby objects data