Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.943255E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:51:51+0800
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    1 Object 1

    AOE ID 59580
    NORAD ID 59580
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60493
    NORAD ID 60493
    Object Type PAYLOAD
    Country
    AR AR

    Conjunction Constraints

    Parameter STARLINK-31668 NUSAT-50 (NANCY ROMAN)
    Time of Closest Approach 2026-10-28T19:27:37+0000
    Collision Probability (Pc) 4.943255E-6
    Conjunction Distance (km) 1.589 km
    Relative Speed (km/s) 12.394 km/s
    Conjunction Risk Parameters R (Radial): -0.157 | I (In-track): 0.928 | C (Cross-track): 1.281
    Collision Risk Index (CRI) 0.49
    X Position (km) 4449.526 4449.546
    Position Y (km) 2453.942 2455.225
    Position Z (km) -4610.726 -4609.79
    Velocity X (km/s) -4.33 5.046
    Velocity Y (km/s) 6.209 1.278
    Velocity Z (km/s) -0.872 5.559

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31668 NUSAT-50 (NANCY ROMAN)
    Semimajor Axis (a) 6861.080 km 6852.782 km
    Eccentricity (e) 0.000510 0.000466
    Inclination (i) 42.9935° 97.3705°
    RAAN 140.7483° 20.1423°
    Perigee Argument 280.9057° 89.9035°
    Mean Anomaly (M) 79.1220° 270.2741°
    Apogee 486.446 km 477.842 km
    Perigee 479.440 km 471.448 km
    Orbit Epoch 2026-10-27T06:14:00+0000 2026-10-26T19:00:02+0000

    STARLINK-31668 & NUSAT-50 (NANCY ROMAN) Collision Probability (Pc) Trend

    STARLINK-31668 & NUSAT-50 (NANCY ROMAN) Collision Probability (Pc) TrendNot Available

    STARLINK-31668 & NUSAT-50 (NANCY ROMAN) Miss Distance (Miss Distance) Trend

    STARLINK-31668 & NUSAT-50 (NANCY ROMAN) Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31668Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NUSAT-50 (NANCY ROMAN)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31668Collision Probability Trend

    Object 1 Probability TrendNot Available

    NUSAT-50 (NANCY ROMAN)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31668

    No nearby objects data