Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.454209E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:28:27+0800
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    1 Object 1

    AOE ID 49414
    NORAD ID 49414
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53432
    NORAD ID 53432
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3146 STARLINK-4557
    Time of Closest Approach 2026-10-29T21:08:56+0000
    Collision Probability (Pc) 9.454209E-6
    Conjunction Distance (km) 1.276 km
    Relative Speed (km/s) 11.013 km/s
    Conjunction Risk Parameters R (Radial): 0.939 | I (In-track): -0.602 | C (Cross-track): 0.619
    Collision Risk Index (CRI) 0.55
    X Position (km) -644.198 -645.146
    Position Y (km) -5877.028 -5877.743
    Position Z (km) 3431.064 3431.53
    Velocity X (km/s) 5.565 4.961
    Velocity Y (km/s) 2.177 -3.332
    Velocity Z (km/s) 4.758 -4.758

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3146 STARLINK-4557
    Semimajor Axis (a) 6840.008 km 6840.878 km
    Eccentricity (e) 0.000106 0.000123
    Inclination (i) 53.1614° 53.1598°
    RAAN 250.1760° 123.9614°
    Perigee Argument 161.3928° 86.6279°
    Mean Anomaly (M) 198.7113° 273.4864°
    Apogee 462.596 km 463.580 km
    Perigee 461.146 km 461.902 km
    Orbit Epoch 2026-10-27T06:28:11+0000 2026-10-26T19:03:49+0000

    STARLINK-3146 & STARLINK-4557 Collision Probability (Pc) Trend

    STARLINK-3146 & STARLINK-4557 Collision Probability (Pc) TrendNot Available

    STARLINK-3146 & STARLINK-4557 Miss Distance (Miss Distance) Trend

    STARLINK-3146 & STARLINK-4557 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3146Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4557Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3146Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4557Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3146

    No nearby objects data