Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.438076E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T05:03:10+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 58385
    NORAD ID 58385
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4517 STARLINK-30930
    Time of Closest Approach 2026-10-30T13:13:44+0000
    Collision Probability (Pc) 2.438076E-6
    Conjunction Distance (km) 2.014 km
    Relative Speed (km/s) 11.814 km/s
    Conjunction Risk Parameters R (Radial): -1.622 | I (In-track): -0.76 | C (Cross-track): 0.92
    Collision Risk Index (CRI) 0.43
    X Position (km) 5572.727 5574.657
    Position Y (km) -3294.399 -3294.153
    Position Z (km) -2211.828 -2212.347
    Velocity X (km/s) 0.821 4.102
    Velocity Y (km/s) 5.132 3.193
    Velocity Z (km/s) -5.592 5.591

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4517 STARLINK-30930
    Semimajor Axis (a) 6837.889 km 6840.849 km
    Eccentricity (e) 0.000129 0.000230
    Inclination (i) 53.1590° 53.1610°
    RAAN 140.5321° 352.1604°
    Perigee Argument 95.3330° 286.4143°
    Mean Anomaly (M) 264.7820° 73.6606°
    Apogee 460.635 km 464.289 km
    Perigee 458.869 km 461.135 km
    Orbit Epoch 2026-10-29T06:39:46+0000 2026-10-28T20:41:16+0000

    STARLINK-4517 & STARLINK-30930 Collision Probability (Pc) Trend

    STARLINK-4517 & STARLINK-30930 Collision Probability (Pc) TrendNot Available

    STARLINK-4517 & STARLINK-30930 Miss Distance (Miss Distance) Trend

    STARLINK-4517 & STARLINK-30930 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4517Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30930Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4517Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30930Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4517

    No nearby objects data