Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.823447E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:57:35+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    Name MUSAT3
    AOE ID 64573
    NORAD ID 64573
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HELIOS 2A MUSAT3
    Time of Closest Approach 2026-09-04T21:07:13+0000
    Collision Probability (Pc) 1.823447E-6
    Conjunction Distance (km) 1.983 km
    Relative Speed (km/s) 6.95 km/s
    Conjunction Risk Parameters R (Radial): 0.001 | I (In-track): -1.76 | C (Cross-track): 0.912
    Collision Risk Index (CRI) 0.4
    X Position (km) -531.926 -533.709
    Position Y (km) -945.929 -945.063
    Position Z (km) 6840.405 6840.385
    Velocity X (km/s) -4.585 -7.558
    Velocity Y (km/s) 6.024 -0.163
    Velocity Z (km/s) 0.477 -0.609

    Orbital Parameters 国际轨道数据源

    Parameter HELIOS 2A MUSAT3
    Semimajor Axis (a) 6935.789 km 6933.689 km
    Eccentricity (e) 0.000373 0.000259
    Inclination (i) 98.2475° 97.7146°
    RAAN 305.9548° 0.2478°
    Perigee Argument 66.4819° 19.3527°
    Mean Anomaly (M) 293.6796° 340.7797°
    Apogee 560.236 km 557.350 km
    Perigee 555.068 km 553.754 km
    Orbit Epoch 2026-09-04T03:09:44+0000 2026-09-03T06:22:17+0000

    HELIOS 2A & MUSAT3 Collision Probability (Pc) Trend

    HELIOS 2A & MUSAT3 Collision Probability (Pc) TrendNot Available

    HELIOS 2A & MUSAT3 Miss Distance (Miss Distance) Trend

    HELIOS 2A & MUSAT3 Miss Distance (Miss Distance) TrendNot Available

    HELIOS 2AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    MUSAT3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HELIOS 2ACollision Probability Trend

    Object 1 Probability TrendNot Available

    MUSAT3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HELIOS 2A

    No nearby objects data