Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.098823E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:44:29+0800
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    1 Object 1

    AOE ID 52999
    NORAD ID 52999
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59013
    NORAD ID 59013
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4217 STARLINK-31389
    Time of Closest Approach 2026-10-22T13:40:22+0000
    Collision Probability (Pc) 7.098823E-7
    Conjunction Distance (km) 2.552 km
    Relative Speed (km/s) 3.159 km/s
    Conjunction Risk Parameters R (Radial): -2.361 | I (In-track): 0.944 | C (Cross-track): -0.197
    Collision Risk Index (CRI) 0.32
    X Position (km) 3690.674 3692.406
    Position Y (km) 2000.423 2000.264
    Position Z (km) -5408.539 -5410.406
    Velocity X (km/s) -4.65 -2.455
    Velocity Y (km/s) 5.963 7.151
    Velocity Z (km/s) -0.968 0.968

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4217 STARLINK-31389
    Semimajor Axis (a) 6840.877 km 6845.229 km
    Eccentricity (e) 0.000135 0.000145
    Inclination (i) 53.1581° 53.1592°
    RAAN 145.5461° 116.4649°
    Perigee Argument 91.4286° 102.7947°
    Mean Anomaly (M) 268.6871° 257.3217°
    Apogee 463.662 km 468.085 km
    Perigee 461.818 km 466.099 km
    Orbit Epoch 2026-10-19T23:34:25+0000 2026-10-19T18:45:20+0000

    STARLINK-4217 & STARLINK-31389 Collision Probability (Pc) Trend

    STARLINK-4217 & STARLINK-31389 Collision Probability (Pc) TrendNot Available

    STARLINK-4217 & STARLINK-31389 Miss Distance (Miss Distance) Trend

    STARLINK-4217 & STARLINK-31389 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4217Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31389Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4217Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31389Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4217

    No nearby objects data