Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.11881E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T23:12:46+0800
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    1 Object 1

    AOE ID 66740
    NORAD ID 66740
    Object Type PAYLOAD
    Country
    AR AR
    ← VS →

    2 Object 2

    Name HELIOS
    AOE ID 69021
    NORAD ID 69021
    Object Type PAYLOAD
    Country
    GR GR

    Conjunction Constraints

    Parameter NUSAT-51 (YVONNE BRILL) HELIOS
    Time of Closest Approach 2026-10-15T01:34:20+0000
    Collision Probability (Pc) 4.11881E-6
    Conjunction Distance (km) 1.761 km
    Relative Speed (km/s) 15.093 km/s
    Conjunction Risk Parameters R (Radial): 1.746 | I (In-track): 0.025 | C (Cross-track): 0.226
    Collision Risk Index (CRI) 0.47
    X Position (km) -6673.729 -6672.028
    Position Y (km) -201.507 -201.683
    Position Z (km) 1667.463 1667.045
    Velocity X (km/s) -1.867 1.805
    Velocity Y (km/s) 0.956 1.063
    Velocity Z (km/s) -7.318 7.321

    Orbital Parameters 国际轨道数据源

    Parameter NUSAT-51 (YVONNE BRILL) HELIOS
    Semimajor Axis (a) 6879.678 km 6879.952 km
    Eccentricity (e) 0.000180 0.000305
    Inclination (i) 97.4111° 97.3865°
    RAAN 358.0239° 181.2625°
    Perigee Argument 327.4217° 316.5910°
    Mean Anomaly (M) 32.6907° 43.5086°
    Apogee 502.781 km 503.917 km
    Perigee 500.301 km 499.713 km
    Orbit Epoch 2026-10-13T04:38:57+0000 2026-10-12T16:40:57+0000

    NUSAT-51 (YVONNE BRILL) & HELIOS Collision Probability (Pc) Trend

    NUSAT-51 (YVONNE BRILL) & HELIOS Collision Probability (Pc) TrendNot Available

    NUSAT-51 (YVONNE BRILL) & HELIOS Miss Distance (Miss Distance) Trend

    NUSAT-51 (YVONNE BRILL) & HELIOS Miss Distance (Miss Distance) TrendNot Available

    NUSAT-51 (YVONNE BRILL)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HELIOSMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NUSAT-51 (YVONNE BRILL)Collision Probability Trend

    Object 1 Probability TrendNot Available

    HELIOSCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NUSAT-51 (YVONNE BRILL)

    No nearby objects data