Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.411817E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T14:12:38+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 60469
    NORAD ID 60469
    Object Type PAYLOAD
    Country
    AU AU

    Conjunction Constraints

    Parameter GRACE-FO 1 WARATAH SEED-1
    Time of Closest Approach 2026-10-19T18:23:32+0000
    Collision Probability (Pc) 1.411817E-6
    Conjunction Distance (km) 2.908 km
    Relative Speed (km/s) 15.17 km/s
    Conjunction Risk Parameters R (Radial): -1.404 | I (In-track): 0.312 | C (Cross-track): 2.527
    Collision Risk Index (CRI) 0.38
    X Position (km) 3094.348 3094.662
    Position Y (km) -59.501 -56.995
    Position Z (km) 6076.267 6077.707
    Velocity X (km/s) 6.815 -6.576
    Velocity Y (km/s) 0.163 -2.038
    Velocity Z (km/s) -3.456 3.32

    Orbital Parameters 国际轨道数据源

    Parameter GRACE-FO 1 WARATAH SEED-1
    Semimajor Axis (a) 6823.690 km 6827.769 km
    Eccentricity (e) 0.000647 0.000283
    Inclination (i) 88.9989° 97.3600°
    RAAN 180.9757° 12.3309°
    Perigee Argument 11.6920° 124.7306°
    Mean Anomaly (M) 348.4486° 235.4206°
    Apogee 449.968 km 451.565 km
    Perigee 441.138 km 447.699 km
    Orbit Epoch 2026-10-18T23:10:29+0000 2026-10-18T10:54:09+0000

    GRACE-FO 1 & WARATAH SEED-1 Collision Probability (Pc) Trend

    GRACE-FO 1 & WARATAH SEED-1 Collision Probability (Pc) TrendNot Available

    GRACE-FO 1 & WARATAH SEED-1 Miss Distance (Miss Distance) Trend

    GRACE-FO 1 & WARATAH SEED-1 Miss Distance (Miss Distance) TrendNot Available

    GRACE-FO 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    WARATAH SEED-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GRACE-FO 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    WARATAH SEED-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GRACE-FO 1

    No nearby objects data