Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.24111E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-31T01:13:18+0800
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    1 Object 1

    AOE ID 53390
    NORAD ID 53390
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58931
    NORAD ID 58931
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4517 STARLINK-31317
    Time of Closest Approach 2026-08-30T18:42:22+0000
    Collision Probability (Pc) 1.24111E-6
    Conjunction Distance (km) 2.898 km
    Relative Speed (km/s) 12.024 km/s
    Conjunction Risk Parameters R (Radial): -2.622 | I (In-track): -0.76 | C (Cross-track): -0.969
    Collision Risk Index (CRI) 0.37
    X Position (km) 4387.212 4387.967
    Position Y (km) 5000.158 5002.887
    Position Z (km) -1596.074 -1596.687
    Velocity X (km/s) -2.616 -4.458
    Velocity Y (km/s) 4.154 2.053
    Velocity Z (km/s) 5.847 -5.847

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4517 STARLINK-31317
    Semimajor Axis (a) 6837.986 km 6840.867 km
    Eccentricity (e) 0.000082 0.000178
    Inclination (i) 53.1594° 53.1588°
    RAAN 60.4076° 220.9860°
    Perigee Argument 121.0357° 99.8661°
    Mean Anomaly (M) 116.8890° 260.2542°
    Apogee 460.410 km 463.945 km
    Perigee 459.288 km 461.515 km
    Orbit Epoch 2026-08-30T12:00:02+0000 2026-08-30T05:20:45+0000

    STARLINK-4517 & STARLINK-31317 Collision Probability (Pc) Trend

    STARLINK-4517 & STARLINK-31317 Collision Probability (Pc) TrendNot Available

    STARLINK-4517 & STARLINK-31317 Miss Distance (Miss Distance) Trend

    STARLINK-4517 & STARLINK-31317 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4517Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31317Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4517Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31317Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4517

    No nearby objects data