Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.671617E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T20:35:58+0800
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    1 Object 1

    Name PACE
    AOE ID 40022
    NORAD ID 40022
    Object Type PAYLOAD
    Country
    TW TW
    ← VS →

    2 Object 2

    Name SEDNA-1
    AOE ID 60580
    NORAD ID 60580
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PACE SEDNA-1
    Time of Closest Approach 2026-10-28T06:05:12+0000
    Collision Probability (Pc) 1.671617E-6
    Conjunction Distance (km) 2.153 km
    Relative Speed (km/s) 8.264 km/s
    Conjunction Risk Parameters R (Radial): -1.532 | I (In-track): 1.267 | C (Cross-track): 0.825
    Collision Risk Index (CRI) 0.39
    X Position (km) 290.243 288.83
    Position Y (km) 1096.841 1097.405
    Position Z (km) -6826.558 -6828.08
    Velocity X (km/s) 5.35 7.069
    Velocity Y (km/s) -5.328 2.641
    Velocity Z (km/s) -0.632 0.721

    Orbital Parameters 国际轨道数据源

    Parameter PACE SEDNA-1
    Semimajor Axis (a) 6908.678 km 6919.031 km
    Eccentricity (e) 0.000740 0.000736
    Inclination (i) 98.1238° 97.6558°
    RAAN 313.3972° 19.9126°
    Perigee Argument 123.4210° 255.2423°
    Mean Anomaly (M) 236.7728° 104.7990°
    Apogee 535.655 km 545.990 km
    Perigee 525.427 km 535.798 km
    Orbit Epoch 2026-10-27T06:40:47+0000 2026-10-26T22:37:13+0000

    PACE & SEDNA-1 Collision Probability (Pc) Trend

    PACE & SEDNA-1 Collision Probability (Pc) TrendNot Available

    PACE & SEDNA-1 Miss Distance (Miss Distance) Trend

    PACE & SEDNA-1 Miss Distance (Miss Distance) TrendNot Available

    PACEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SEDNA-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PACECollision Probability Trend

    Object 1 Probability TrendNot Available

    SEDNA-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PACE

    No nearby objects data