Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.124893E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:10:56+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name GRUS-1A
    AOE ID 43890
    NORAD ID 43890
    Object Type PAYLOAD
    Country
    TBD TBD
    VS

    2 Object 2

    AOE ID 55664
    NORAD ID 55664
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GRUS-1A STARLINK-5480
    Time of Closest Approach 2026-09-06T07:04:50+0000
    Collision Probability (Pc) 1.124893E-6
    Conjunction Distance (km) 2.449 km
    Relative Speed (km/s) 6.509 km/s
    Conjunction Risk Parameters R (Radial): 1.978 | I (In-track): -1.303 | C (Cross-track): -0.62
    Collision Risk Index (CRI) 0.36
    X Position (km) -788.489 -788.325
    Position Y (km) 3819.792 3817.5
    Position Z (km) 5750.167 5749.322
    Velocity X (km/s) 2.944 -3.517
    Velocity Y (km/s) -5.621 -5.803
    Velocity Z (km/s) 4.13 3.364

    Orbital Parameters 国际轨道数据源

    Parameter GRUS-1A STARLINK-5480
    Semimajor Axis (a) 6948.618 km 6950.224 km
    Eccentricity (e) 0.000703 0.000294
    Inclination (i) 97.4381° 69.9991°
    RAAN 111.4841° 72.9034°
    Perigee Argument 248.6686° 265.6672°
    Mean Anomaly (M) 111.3787° 94.4152°
    Apogee 575.368 km 574.129 km
    Perigee 565.594 km 570.045 km
    Orbit Epoch 2026-09-04T22:47:03+0000 2026-09-04T19:33:24+0000

    GRUS-1A & STARLINK-5480 Collision Probability (Pc) Trend

    GRUS-1A & STARLINK-5480 Collision Probability (Pc) TrendNot Available

    GRUS-1A & STARLINK-5480 Miss Distance (Miss Distance) Trend

    GRUS-1A & STARLINK-5480 Miss Distance (Miss Distance) TrendNot Available

    GRUS-1AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5480Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GRUS-1ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5480Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GRUS-1A

    No nearby objects data