Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.504089E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:51:05+0800
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    1 Object 1

    AOE ID 28492
    NORAD ID 28492
    Object Type PAYLOAD
    Country
    FR FR
    VS

    2 Object 2

    AOE ID 69790
    NORAD ID 69790
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HELIOS 2A KUIPER-00647
    Time of Closest Approach 2026-09-04T11:59:52+0000
    Collision Probability (Pc) 1.504089E-6
    Conjunction Distance (km) 2.079 km
    Relative Speed (km/s) 6.085 km/s
    Conjunction Risk Parameters R (Radial): 1.749 | I (In-track): 1.03 | C (Cross-track): 0.45
    Collision Risk Index (CRI) 0.39
    X Position (km) -3881.294 -3882.395
    Position Y (km) 5599.832 5600.905
    Position Z (km) -1328.247 -1329.646
    Velocity X (km/s) 1.722 -3.274
    Velocity Y (km/s) -0.541 -3.636
    Velocity Z (km/s) -7.36 -5.782

    Orbital Parameters 国际轨道数据源

    Parameter HELIOS 2A KUIPER-00647
    Semimajor Axis (a) 6935.790 km 6933.085 km
    Eccentricity (e) 0.000376 0.001161
    Inclination (i) 98.2475° 51.8827°
    RAAN 305.6005° 298.9792°
    Perigee Argument 67.4883° 10.0110°
    Mean Anomaly (M) 292.6738° 173.0907°
    Apogee 560.261 km 563.001 km
    Perigee 555.045 km 546.895 km
    Orbit Epoch 2026-09-03T19:10:23+0000 2026-09-03T20:00:02+0000

    HELIOS 2A & KUIPER-00647 Collision Probability (Pc) Trend

    HELIOS 2A & KUIPER-00647 Collision Probability (Pc) TrendNot Available

    HELIOS 2A & KUIPER-00647 Miss Distance (Miss Distance) Trend

    HELIOS 2A & KUIPER-00647 Miss Distance (Miss Distance) TrendNot Available

    HELIOS 2AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00647Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HELIOS 2ACollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00647Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HELIOS 2A

    No nearby objects data