Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.671862E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T01:56:57+0800
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    1 Object 1

    AOE ID 53020
    NORAD ID 53020
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64775
    NORAD ID 64775
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4287 STARLINK-34657
    Time of Closest Approach 2026-09-03T18:46:59+0000
    Collision Probability (Pc) 1.671862E-6
    Conjunction Distance (km) 2.345 km
    Relative Speed (km/s) 11.142 km/s
    Conjunction Risk Parameters R (Radial): -2.331 | I (In-track): 0.17 | C (Cross-track): 0.188
    Collision Risk Index (CRI) 0.39
    X Position (km) 5488.714 5490.481
    Position Y (km) -2428.77 -2429.827
    Position Z (km) -3284.535 -3285.657
    Velocity X (km/s) 4.553 -0.332
    Velocity Y (km/s) 3.688 5.85
    Velocity Z (km/s) 4.889 -4.888

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4287 STARLINK-34657
    Semimajor Axis (a) 6837.858 km 6840.799 km
    Eccentricity (e) 0.000102 0.000116
    Inclination (i) 53.1628° 53.1576°
    RAAN 9.4631° 140.3118°
    Perigee Argument 83.4099° 125.5760°
    Mean Anomaly (M) 276.7020° 234.5351°
    Apogee 460.417 km 463.456 km
    Perigee 459.025 km 461.868 km
    Orbit Epoch 2026-09-01T20:04:35+0000 2026-09-01T23:38:08+0000

    STARLINK-4287 & STARLINK-34657 Collision Probability (Pc) Trend

    STARLINK-4287 & STARLINK-34657 Collision Probability (Pc) TrendNot Available

    STARLINK-4287 & STARLINK-34657 Miss Distance (Miss Distance) Trend

    STARLINK-4287 & STARLINK-34657 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4287Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34657Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4287Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34657Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4287

    No nearby objects data