Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.209203E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-09T16:11:27+0800
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    1 Object 1

    AOE ID 51862
    NORAD ID 51862
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53275
    NORAD ID 53275
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3508 STARLINK-4179
    Time of Closest Approach 2026-09-09T08:39:11+0000
    Collision Probability (Pc) 1.209203E-6
    Conjunction Distance (km) 2.979 km
    Relative Speed (km/s) 12.188 km/s
    Conjunction Risk Parameters R (Radial): 2.974 | I (In-track): -0.091 | C (Cross-track): 0.142
    Collision Risk Index (CRI) 0.37
    X Position (km) 2235.346 2234.216
    Position Y (km) 6423.853 6421.117
    Position Z (km) 731.868 731.537
    Velocity X (km/s) -4.131 -4.565
    Velocity Y (km/s) 2.136 0.89
    Velocity Z (km/s) -6.057 6.059

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3508 STARLINK-4179
    Semimajor Axis (a) 6840.873 km 6837.843 km
    Eccentricity (e) 0.000121 0.000117
    Inclination (i) 53.1586° 53.1599°
    RAAN 259.2413° 69.2427°
    Perigee Argument 79.9630° 99.3828°
    Mean Anomaly (M) 280.1509° 260.7307°
    Apogee 463.562 km 460.506 km
    Perigee 461.910 km 458.906 km
    Orbit Epoch 2026-09-08T13:08:48+0000 2026-09-08T16:59:51+0000

    STARLINK-3508 & STARLINK-4179 Collision Probability (Pc) Trend

    STARLINK-3508 & STARLINK-4179 Collision Probability (Pc) TrendNot Available

    STARLINK-3508 & STARLINK-4179 Miss Distance (Miss Distance) Trend

    STARLINK-3508 & STARLINK-4179 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3508Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4179Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3508Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4179Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3508

    No nearby objects data