Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.173451E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:03:53+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53210
    NORAD ID 53210
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59240
    NORAD ID 59240
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4427 STARLINK-31408
    Time of Closest Approach 2026-09-04T12:14:31+0000
    Collision Probability (Pc) 1.173451E-6
    Conjunction Distance (km) 2.931 km
    Relative Speed (km/s) 11.175 km/s
    Conjunction Risk Parameters R (Radial): -0.805 | I (In-track): 1.92 | C (Cross-track): -2.062
    Collision Risk Index (CRI) 0.36
    X Position (km) -2192.844 -2192.22
    Position Y (km) 4541.533 4544.178
    Position Z (km) -4654.533 -4653.433
    Velocity X (km/s) 3.394 -6.611
    Velocity Y (km/s) -4.008 -3.746
    Velocity Z (km/s) -5.514 -0.544

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4427 STARLINK-31408
    Semimajor Axis (a) 6855.014 km 6861.184 km
    Eccentricity (e) 0.000182 0.000130
    Inclination (i) 97.2835° 42.9988°
    RAAN 302.2159° 220.8621°
    Perigee Argument 58.9598° 261.3484°
    Mean Anomaly (M) 74.3179° 98.7220°
    Apogee 478.124 km 483.939 km
    Perigee 475.630 km 482.155 km
    Orbit Epoch 2026-09-04T04:00:02+0000 2026-09-03T06:50:41+0000

    STARLINK-4427 & STARLINK-31408 Collision Probability (Pc) Trend

    STARLINK-4427 & STARLINK-31408 Collision Probability (Pc) TrendNot Available

    STARLINK-4427 & STARLINK-31408 Miss Distance (Miss Distance) Trend

    STARLINK-4427 & STARLINK-31408 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4427Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31408Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4427Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31408Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4427

    No nearby objects data