Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.14689E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:41:27+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 60031
    NORAD ID 60031
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4550 STARLINK-31878
    Time of Closest Approach 2026-10-21T12:44:21+0000
    Collision Probability (Pc) 3.14689E-6
    Conjunction Distance (km) 1.517 km
    Relative Speed (km/s) 5.03 km/s
    Conjunction Risk Parameters R (Radial): 0.629 | I (In-track): 1.303 | C (Cross-track): 0.459
    Collision Risk Index (CRI) 0.45
    X Position (km) 4195.107 4195.859
    Position Y (km) -1149.905 -1148.68
    Position Z (km) -5286.233 -5286.717
    Velocity X (km/s) 0.03 3.773
    Velocity Y (km/s) 7.455 6.429
    Velocity Z (km/s) -1.599 1.599

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4550 STARLINK-31878
    Semimajor Axis (a) 6840.903 km 6840.906 km
    Eccentricity (e) 0.000125 0.000117
    Inclination (i) 53.1591° 53.1595°
    RAAN 110.8449° 60.6422°
    Perigee Argument 82.4388° 92.8970°
    Mean Anomaly (M) 224.1318° 267.2167°
    Apogee 463.620 km 463.569 km
    Perigee 461.912 km 461.969 km
    Orbit Epoch 2026-10-19T00:00:03+0000 2026-10-19T07:54:48+0000

    STARLINK-4550 & STARLINK-31878 Collision Probability (Pc) Trend

    STARLINK-4550 & STARLINK-31878 Collision Probability (Pc) TrendNot Available

    STARLINK-4550 & STARLINK-31878 Miss Distance (Miss Distance) Trend

    STARLINK-4550 & STARLINK-31878 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31878Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31878Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4550

    No nearby objects data