Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.205646E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:56:46+0800
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    1 Object 1

    AOE ID 61779
    NORAD ID 61779
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 69173
    NORAD ID 69173
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter MSU ALTAIR STARLINK-37461
    Time of Closest Approach 2026-09-12T00:27:46+0000
    Collision Probability (Pc) 8.205646E-7
    Conjunction Distance (km) 2.992 km
    Relative Speed (km/s) 6.138 km/s
    Conjunction Risk Parameters R (Radial): 2.138 | I (In-track): -1.917 | C (Cross-track): -0.838
    Collision Risk Index (CRI) 0.33
    X Position (km) 3322.056 3322.963
    Position Y (km) -5498.846 -5501.452
    Position Z (km) -2353.687 -2352.532
    Velocity X (km/s) -2.225 3.129
    Velocity Y (km/s) 1.691 4.243
    Velocity Z (km/s) -7.097 -5.518

    Orbital Parameters 国际轨道数据源

    Parameter MSU ALTAIR STARLINK-37461
    Semimajor Axis (a) 6828.764 km 6840.854 km
    Eccentricity (e) 0.001227 0.000111
    Inclination (i) 97.2886° 53.1573°
    RAAN 123.0785° 115.1245°
    Perigee Argument 5.2043° 86.9517°
    Mean Anomaly (M) 354.9328° 273.1612°
    Apogee 459.006 km 463.478 km
    Perigee 442.248 km 461.956 km
    Orbit Epoch 2026-09-11T06:25:28+0000 2026-09-09T21:32:52+0000

    MSU ALTAIR & STARLINK-37461 Collision Probability (Pc) Trend

    MSU ALTAIR & STARLINK-37461 Collision Probability (Pc) TrendNot Available

    MSU ALTAIR & STARLINK-37461 Miss Distance (Miss Distance) Trend

    MSU ALTAIR & STARLINK-37461 Miss Distance (Miss Distance) TrendNot Available

    MSU ALTAIRMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37461Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    MSU ALTAIRCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37461Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with MSU ALTAIR

    No nearby objects data