Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.650925E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T22:56:05+0800
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    1 Object 1

    AOE ID 43476
    NORAD ID 43476
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61546
    NORAD ID 61546
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GRACE-FO 1 STARLINK-32445
    Time of Closest Approach 2026-10-25T05:45:29+0000
    Collision Probability (Pc) 1.650925E-6
    Conjunction Distance (km) 2.555 km
    Relative Speed (km/s) 14.229 km/s
    Conjunction Risk Parameters R (Radial): -0.31 | I (In-track): -0.925 | C (Cross-track): 2.361
    Collision Risk Index (CRI) 0.39
    X Position (km) 6181.818 6181.702
    Position Y (km) 63.336 65.716
    Position Z (km) -2908.742 -2909.663
    Velocity X (km/s) -3.249 2.378
    Velocity Y (km/s) 0.114 5.086
    Velocity Z (km/s) -6.908 5.178

    Orbital Parameters 国际轨道数据源

    Parameter GRACE-FO 1 STARLINK-32445
    Semimajor Axis (a) 6823.573 km 6828.515 km
    Eccentricity (e) 0.000531 0.000164
    Inclination (i) 88.9990° 53.1583°
    RAAN 180.2455° 29.1939°
    Perigee Argument 351.3021° 97.1026°
    Mean Anomaly (M) 8.8142° 263.0165°
    Apogee 449.058 km 451.500 km
    Perigee 441.814 km 449.256 km
    Orbit Epoch 2026-10-24T07:02:24+0000 2026-10-23T13:21:51+0000

    GRACE-FO 1 & STARLINK-32445 Collision Probability (Pc) Trend

    GRACE-FO 1 & STARLINK-32445 Collision Probability (Pc) TrendNot Available

    GRACE-FO 1 & STARLINK-32445 Miss Distance (Miss Distance) Trend

    GRACE-FO 1 & STARLINK-32445 Miss Distance (Miss Distance) TrendNot Available

    GRACE-FO 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32445Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GRACE-FO 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32445Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GRACE-FO 1

    No nearby objects data