Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.087178E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T04:47:59+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 55937
    NORAD ID 55937
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59079
    NORAD ID 59079
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5913 STARLINK-31257
    Time of Closest Approach 2026-10-20T15:24:38+0000
    Collision Probability (Pc) 1.087178E-6
    Conjunction Distance (km) 2.415 km
    Relative Speed (km/s) 5.869 km/s
    Conjunction Risk Parameters R (Radial): 2.161 | I (In-track): -0.994 | C (Cross-track): 0.417
    Collision Risk Index (CRI) 0.36
    X Position (km) -2823.535 -2822.201
    Position Y (km) -4469.71 -4469.118
    Position Z (km) 4367.417 4365.494
    Velocity X (km/s) 0.532 5.299
    Velocity Y (km/s) -5.49 -5.164
    Velocity Z (km/s) -5.264 -1.856

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5913 STARLINK-31257
    Semimajor Axis (a) 6859.604 km 6861.198 km
    Eccentricity (e) 0.000312 0.000062
    Inclination (i) 70.0005° 42.9994°
    RAAN 80.6610° 135.0347°
    Perigee Argument 265.2440° 268.3493°
    Mean Anomaly (M) 70.0844° 91.7288°
    Apogee 483.606 km 483.484 km
    Perigee 479.328 km 482.638 km
    Orbit Epoch 2026-10-18T14:00:02+0000 2026-10-18T00:09:24+0000

    STARLINK-5913 & STARLINK-31257 Collision Probability (Pc) Trend

    STARLINK-5913 & STARLINK-31257 Collision Probability (Pc) TrendNot Available

    STARLINK-5913 & STARLINK-31257 Miss Distance (Miss Distance) Trend

    STARLINK-5913 & STARLINK-31257 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5913Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31257Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5913Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31257Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5913

    No nearby objects data