Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.679014E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:10:11+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53004
    NORAD ID 53004
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68686
    NORAD ID 68686
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4253 STARLINK-37213
    Time of Closest Approach 2026-10-22T19:39:01+0000
    Collision Probability (Pc) 8.679014E-7
    Conjunction Distance (km) 2.903 km
    Relative Speed (km/s) 6.383 km/s
    Conjunction Risk Parameters R (Radial): -2.888 | I (In-track): -0.251 | C (Cross-track): 0.118
    Collision Risk Index (CRI) 0.34
    X Position (km) 5899.317 5896.913
    Position Y (km) -1930.55 -1929.845
    Position Z (km) -2903.33 -2901.865
    Velocity X (km/s) -0.728 -3.367
    Velocity Y (km/s) 5.549 -0.02
    Velocity Z (km/s) -5.181 -6.843

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4253 STARLINK-37213
    Semimajor Axis (a) 6848.846 km 6843.697 km
    Eccentricity (e) 0.000170 0.000179
    Inclination (i) 53.1584° 97.2804°
    RAAN 154.2916° 162.6343°
    Perigee Argument 96.8914° 97.0397°
    Mean Anomaly (M) 263.2280° 263.1049°
    Apogee 471.871 km 466.788 km
    Perigee 469.547 km 464.332 km
    Orbit Epoch 2026-10-20T00:57:28+0000 2026-10-20T02:32:57+0000

    STARLINK-4253 & STARLINK-37213 Collision Probability (Pc) Trend

    STARLINK-4253 & STARLINK-37213 Collision Probability (Pc) TrendNot Available

    STARLINK-4253 & STARLINK-37213 Miss Distance (Miss Distance) Trend

    STARLINK-4253 & STARLINK-37213 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4253Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37213Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4253Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37213Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4253

    No nearby objects data