Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.215646E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T14:51:38+0800
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    1 Object 1

    AOE ID 57445
    NORAD ID 57445
    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-30215 NUSAT-50 (NANCY ROMAN)
    Time of Closest Approach 2026-10-21T16:27:08+0000
    Collision Probability (Pc) 2.215646E-6
    Conjunction Distance (km) 1.938 km
    Relative Speed (km/s) 8.668 km/s
    Conjunction Risk Parameters R (Radial): -1.73 | I (In-track): 0.721 | C (Cross-track): 0.489
    Collision Risk Index (CRI) 0.42
    X Position (km) 5420.837 5419.736
    Position Y (km) 1958.948 1958.962
    Position Z (km) -3725.579 -3723.985
    Velocity X (km/s) -0.344 4.233
    Velocity Y (km/s) 6.932 0.293
    Velocity Z (km/s) 3.147 6.326

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30215 NUSAT-50 (NANCY ROMAN)
    Semimajor Axis (a) 6861.176 km 6853.081 km
    Eccentricity (e) 0.000148 0.000464
    Inclination (i) 43.0041° 97.3703°
    RAAN 70.7428° 13.8473°
    Perigee Argument 273.9861° 104.6818°
    Mean Anomaly (M) 86.0822° 255.4938°
    Apogee 484.056 km 478.126 km
    Perigee 482.022 km 471.762 km
    Orbit Epoch 2026-10-20T10:51:59+0000 2026-10-20T10:46:48+0000

    STARLINK-30215 & NUSAT-50 (NANCY ROMAN) Collision Probability (Pc) Trend

    STARLINK-30215 & NUSAT-50 (NANCY ROMAN) Collision Probability (Pc) TrendNot Available

    STARLINK-30215 & NUSAT-50 (NANCY ROMAN) Miss Distance (Miss Distance) Trend

    STARLINK-30215 & NUSAT-50 (NANCY ROMAN) Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30215Miss 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-30215Collision Probability Trend

    Object 1 Probability TrendNot Available

    NUSAT-50 (NANCY ROMAN)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30215

    No nearby objects data