Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.68458E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T03:45:38+0800
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    1 Object 1

    AOE ID 58484
    NORAD ID 58484
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66485
    NORAD ID 66485
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30991 STARLINK-34774
    Time of Closest Approach 2026-09-13T20:52:48+0000
    Collision Probability (Pc) 1.68458E-6
    Conjunction Distance (km) 1.989 km
    Relative Speed (km/s) 6.174 km/s
    Conjunction Risk Parameters R (Radial): 1.177 | I (In-track): 1.467 | C (Cross-track): -0.647
    Collision Risk Index (CRI) 0.4
    X Position (km) 3821.373 3819.566
    Position Y (km) -3942.795 -3943.233
    Position Z (km) -4118.356 -4117.651
    Velocity X (km/s) 3.714 6.292
    Velocity Y (km/s) 6.177 3.517
    Velocity Z (km/s) -2.469 2.47

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30991 STARLINK-34774
    Semimajor Axis (a) 6861.196 km 6861.140 km
    Eccentricity (e) 0.000130 0.000226
    Inclination (i) 43.0043° 43.0063°
    RAAN 97.0173° 22.0145°
    Perigee Argument 263.5736° 261.3010°
    Mean Anomaly (M) 96.4968° 98.7586°
    Apogee 483.951 km 484.555 km
    Perigee 482.167 km 481.451 km
    Orbit Epoch 2026-09-10T22:46:45+0000 2026-09-11T07:57:02+0000

    STARLINK-30991 & STARLINK-34774 Collision Probability (Pc) Trend

    STARLINK-30991 & STARLINK-34774 Collision Probability (Pc) TrendNot Available

    STARLINK-30991 & STARLINK-34774 Miss Distance (Miss Distance) Trend

    STARLINK-30991 & STARLINK-34774 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30991Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34774Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30991Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34774Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30991

    No nearby objects data