Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.782995E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T22:18:41+0800
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    1 Object 1

    AOE ID 64871
    NORAD ID 64871
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69937
    NORAD ID 69937
    Object Type PAYLOAD
    Country
    FR FR

    Conjunction Constraints

    Parameter EPIC ATHENA LEONAV-1
    Time of Closest Approach 2026-10-19T14:39:21+0000
    Collision Probability (Pc) 9.782995E-6
    Conjunction Distance (km) 1.341 km
    Relative Speed (km/s) 14.79 km/s
    Conjunction Risk Parameters R (Radial): 1.338 | I (In-track): 0.021 | C (Cross-track): -0.084
    Collision Risk Index (CRI) 0.55
    X Position (km) 4550.725 4549.851
    Position Y (km) 188.396 188.447
    Position Z (km) -5278.86 -5277.846
    Velocity X (km/s) 5.659 -5.523
    Velocity Y (km/s) -1.307 -1.788
    Velocity Z (km/s) 4.829 -4.838

    Orbital Parameters 国际轨道数据源

    Parameter EPIC ATHENA LEONAV-1
    Semimajor Axis (a) 6962.201 km 6966.455 km
    Eccentricity (e) 0.000645 0.001086
    Inclination (i) 97.6530° 97.7407°
    RAAN 352.9571° 190.8068°
    Perigee Argument 178.9517° 161.3376°
    Mean Anomaly (M) 181.1718° 198.8244°
    Apogee 588.557 km 595.887 km
    Perigee 579.571 km 580.749 km
    Orbit Epoch 2026-10-19T03:37:49+0000 2026-10-18T23:09:19+0000

    EPIC ATHENA & LEONAV-1 Collision Probability (Pc) Trend

    EPIC ATHENA & LEONAV-1 Collision Probability (Pc) TrendNot Available

    EPIC ATHENA & LEONAV-1 Miss Distance (Miss Distance) Trend

    EPIC ATHENA & LEONAV-1 Miss Distance (Miss Distance) TrendNot Available

    EPIC ATHENAMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEONAV-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    EPIC ATHENACollision Probability Trend

    Object 1 Probability TrendNot Available

    LEONAV-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with EPIC ATHENA

    No nearby objects data