Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.275526E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:33:37+0800
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    1 Object 1

    AOE ID 53243
    NORAD ID 53243
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53542
    NORAD ID 53542
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4047 STARLINK-4489
    Time of Closest Approach 2026-10-30T15:37:41+0000
    Collision Probability (Pc) 1.275526E-6
    Conjunction Distance (km) 2.791 km
    Relative Speed (km/s) 11.562 km/s
    Conjunction Risk Parameters R (Radial): -2.678 | I (In-track): 0.517 | C (Cross-track): -0.59
    Collision Risk Index (CRI) 0.37
    X Position (km) 4269.362 4271.608
    Position Y (km) 4607.814 4609.082
    Position Z (km) -2711.619 -2712.686
    Velocity X (km/s) -5.21 -2.1
    Velocity Y (km/s) 1.71 5.064
    Velocity Z (km/s) -5.309 5.309

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4047 STARLINK-4489
    Semimajor Axis (a) 6837.866 km 6840.914 km
    Eccentricity (e) 0.000179 0.000099
    Inclination (i) 53.1577° 53.1618°
    RAAN 223.1099° 80.0422°
    Perigee Argument 71.7453° 80.9846°
    Mean Anomaly (M) 288.3744° 279.1268°
    Apogee 460.952 km 463.452 km
    Perigee 458.506 km 462.102 km
    Orbit Epoch 2026-10-27T11:43:56+0000 2026-10-27T15:50:46+0000

    STARLINK-4047 & STARLINK-4489 Collision Probability (Pc) Trend

    STARLINK-4047 & STARLINK-4489 Collision Probability (Pc) TrendNot Available

    STARLINK-4047 & STARLINK-4489 Miss Distance (Miss Distance) Trend

    STARLINK-4047 & STARLINK-4489 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4047Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4489Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4047Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4489Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4047

    No nearby objects data