Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.514689E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:11:35+0800
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    1 Object 1

    AOE ID 55316
    NORAD ID 55316
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63246
    NORAD ID 63246
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5257 LEMUR 2 LEIA-PHILIP
    Time of Closest Approach 2026-09-07T03:33:59+0000
    Collision Probability (Pc) 7.514689E-6
    Conjunction Distance (km) 1.423 km
    Relative Speed (km/s) 13.525 km/s
    Conjunction Risk Parameters R (Radial): 1.418 | I (In-track): 0.064 | C (Cross-track): -0.104
    Collision Risk Index (CRI) 0.53
    X Position (km) 2327.686 2328.264
    Position Y (km) -774.596 -774.697
    Position Z (km) 6497.935 6499.231
    Velocity X (km/s) 0.656 5.321
    Velocity Y (km/s) 7.515 -4.788
    Velocity Z (km/s) 0.66 -2.47

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5257 LEMUR 2 LEIA-PHILIP
    Semimajor Axis (a) 6950.200 km 6952.581 km
    Eccentricity (e) 0.000396 0.000324
    Inclination (i) 69.9980° 97.6719°
    RAAN 272.7612° 138.4924°
    Perigee Argument 272.8072° 355.2821°
    Mean Anomaly (M) 87.2634° 4.8370°
    Apogee 574.814 km 576.698 km
    Perigee 569.312 km 572.190 km
    Orbit Epoch 2026-09-04T19:06:41+0000 2026-09-04T22:09:42+0000

    STARLINK-5257 & LEMUR 2 LEIA-PHILIP Collision Probability (Pc) Trend

    STARLINK-5257 & LEMUR 2 LEIA-PHILIP Collision Probability (Pc) TrendNot Available

    STARLINK-5257 & LEMUR 2 LEIA-PHILIP Miss Distance (Miss Distance) Trend

    STARLINK-5257 & LEMUR 2 LEIA-PHILIP Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5257Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 LEIA-PHILIPMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5257Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 LEIA-PHILIPCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5257

    No nearby objects data