Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.314989E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:09:00+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 48412
    NORAD ID 48412
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 51746
    NORAD ID 51746
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2581 STARLINK-3502
    Time of Closest Approach 2026-10-21T16:14:30+0000
    Collision Probability (Pc) 4.314989E-6
    Conjunction Distance (km) 1.269 km
    Relative Speed (km/s) 3.355 km/s
    Conjunction Risk Parameters R (Radial): -0.472 | I (In-track): 1.149 | C (Cross-track): 0.258
    Collision Risk Index (CRI) 0.48
    X Position (km) -1396.161 -1397.368
    Position Y (km) -3976.864 -3976.749
    Position Z (km) -5404.781 -5405.152
    Velocity X (km/s) 6.575 7.451
    Velocity Y (km/s) -3.71 -1.215
    Velocity Z (km/s) 1.032 -1.033

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2581 STARLINK-3502
    Semimajor Axis (a) 6848.782 km 6848.889 km
    Eccentricity (e) 0.000117 0.000107
    Inclination (i) 53.1581° 53.1605°
    RAAN 338.9090° 8.0814°
    Perigee Argument 81.9850° 85.2015°
    Mean Anomaly (M) 278.1284° 274.9108°
    Apogee 471.447 km 471.484 km
    Perigee 469.843 km 470.020 km
    Orbit Epoch 2026-10-18T14:59:38+0000 2026-10-19T05:10:04+0000

    STARLINK-2581 & STARLINK-3502 Collision Probability (Pc) Trend

    STARLINK-2581 & STARLINK-3502 Collision Probability (Pc) TrendNot Available

    STARLINK-2581 & STARLINK-3502 Miss Distance (Miss Distance) Trend

    STARLINK-2581 & STARLINK-3502 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2581Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3502Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2581Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3502Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2581

    No nearby objects data