Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.515974E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T19:26:01+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 61431
    NORAD ID 61431
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter SEDNA-1 CZ-6A DEB
    Time of Closest Approach 2026-10-29T09:56:09+0000
    Collision Probability (Pc) 2.515974E-6
    Conjunction Distance (km) 2.037 km
    Relative Speed (km/s) 13.002 km/s
    Conjunction Risk Parameters R (Radial): -1.908 | I (In-track): -0.369 | C (Cross-track): -0.608
    Collision Risk Index (CRI) 0.43
    X Position (km) 20.602 20.033
    Position Y (km) -987.265 -987.12
    Position Z (km) 6845.248 6847.198
    Velocity X (km/s) -7.026 0.666
    Velocity Y (km/s) -2.836 7.545
    Velocity Z (km/s) -0.39 1.064

    Orbital Parameters 国际轨道数据源

    Parameter SEDNA-1 CZ-6A DEB
    Semimajor Axis (a) 6919.031 km 7038.091 km
    Eccentricity (e) 0.000736 0.016204
    Inclination (i) 97.6558° 89.1254°
    RAAN 19.9126° 265.3539°
    Perigee Argument 255.2423° 99.7500°
    Mean Anomaly (M) 104.7990° 262.2061°
    Apogee 545.990 km 774.003 km
    Perigee 535.798 km 545.905 km
    Orbit Epoch 2026-10-26T22:37:13+0000 2026-10-26T21:08:18+0000

    SEDNA-1 & CZ-6A DEB Collision Probability (Pc) Trend

    SEDNA-1 & CZ-6A DEB Collision Probability (Pc) TrendNot Available

    SEDNA-1 & CZ-6A DEB Miss Distance (Miss Distance) Trend

    SEDNA-1 & CZ-6A DEB Miss Distance (Miss Distance) TrendNot Available

    SEDNA-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-6A DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SEDNA-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-6A DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SEDNA-1

    No nearby objects data