Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.211136E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T20:25:57+0800
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    1 Object 1

    AOE ID 53570
    NORAD ID 53570
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68960
    NORAD ID 68960
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4550 STARLINK-36978
    Time of Closest Approach 2026-09-15T19:24:35+0000
    Collision Probability (Pc) 1.211136E-6
    Conjunction Distance (km) 2.971 km
    Relative Speed (km/s) 12.156 km/s
    Conjunction Risk Parameters R (Radial): 2.926 | I (In-track): 0.319 | C (Cross-track): -0.407
    Collision Risk Index (CRI) 0.37
    X Position (km) -214.362 -213.754
    Position Y (km) 6776.598 6773.717
    Position Z (km) -942.717 -942.321
    Velocity X (km/s) -4.591 -4.644
    Velocity Y (km/s) -0.976 0.684
    Velocity Z (km/s) -6.02 6.021

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4550 STARLINK-36978
    Semimajor Axis (a) 6843.330 km 6840.916 km
    Eccentricity (e) 0.000125 0.000106
    Inclination (i) 53.1575° 53.1576°
    RAAN 282.1201° 111.4905°
    Perigee Argument 84.4670° 62.5372°
    Mean Anomaly (M) 275.6475° 297.5738°
    Apogee 466.050 km 463.505 km
    Perigee 464.336 km 462.053 km
    Orbit Epoch 2026-09-12T07:41:19+0000 2026-09-12T21:06:30+0000

    STARLINK-4550 & STARLINK-36978 Collision Probability (Pc) Trend

    STARLINK-4550 & STARLINK-36978 Collision Probability (Pc) TrendNot Available

    STARLINK-4550 & STARLINK-36978 Miss Distance (Miss Distance) Trend

    STARLINK-4550 & STARLINK-36978 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36978Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36978Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4550

    No nearby objects data