Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.582775E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:55:48+0800
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    1 Object 1

    AOE ID 52365
    NORAD ID 52365
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-3874 MSU ALTAIR
    Time of Closest Approach 2026-09-04T11:22:04+0000
    Collision Probability (Pc) 2.582775E-6
    Conjunction Distance (km) 1.685 km
    Relative Speed (km/s) 6.035 km/s
    Conjunction Risk Parameters R (Radial): -0.952 | I (In-track): 1.275 | C (Cross-track): -0.555
    Collision Risk Index (CRI) 0.43
    X Position (km) 2654.481 2654.284
    Position Y (km) -5961.422 -5960.074
    Position Z (km) -2062.839 -2063.83
    Velocity X (km/s) 3.657 -1.851
    Velocity Y (km/s) 3.581 1.663
    Velocity Z (km/s) -5.661 -7.21

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3874 MSU ALTAIR
    Semimajor Axis (a) 6840.889 km 6829.164 km
    Eccentricity (e) 0.000103 0.001314
    Inclination (i) 53.1611° 97.2902°
    RAAN 105.9468° 115.7092°
    Perigee Argument 88.8200° 30.7186°
    Mean Anomaly (M) 271.2920° 329.4826°
    Apogee 463.458 km 460.000 km
    Perigee 462.046 km 442.054 km
    Orbit Epoch 2026-09-03T06:21:08+0000 2026-09-03T20:27:42+0000

    STARLINK-3874 & MSU ALTAIR Collision Probability (Pc) Trend

    STARLINK-3874 & MSU ALTAIR Collision Probability (Pc) TrendNot Available

    STARLINK-3874 & MSU ALTAIR Miss Distance (Miss Distance) Trend

    STARLINK-3874 & MSU ALTAIR Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3874Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    MSU ALTAIRMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3874Collision Probability Trend

    Object 1 Probability TrendNot Available

    MSU ALTAIRCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3874

    No nearby objects data