Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.705642E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T05:00:48+0800
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    1 Object 1

    AOE ID 59222
    NORAD ID 59222
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61869
    NORAD ID 61869
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-31490 OBJECT A
    Time of Closest Approach 2026-10-20T21:18:01+0000
    Collision Probability (Pc) 1.705642E-6
    Conjunction Distance (km) 2.539 km
    Relative Speed (km/s) 14.765 km/s
    Conjunction Risk Parameters R (Radial): 1.76 | I (In-track): -0.458 | C (Cross-track): 1.773
    Collision Risk Index (CRI) 0.4
    X Position (km) -6800.324 -6802.242
    Position Y (km) -420.771 -419.195
    Position Z (km) -631.987 -631.452
    Velocity X (km/s) -0.271 0.634
    Velocity Y (km/s) -4.621 1.029
    Velocity Z (km/s) 6.071 -7.539

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31490 OBJECT A
    Semimajor Axis (a) 6840.937 km 6844.989 km
    Eccentricity (e) 0.000180 0.000941
    Inclination (i) 53.1561° 97.4072°
    RAAN 195.7475° 2.8107°
    Perigee Argument 83.8962° 238.4112°
    Mean Anomaly (M) 276.2246° 121.6211°
    Apogee 464.033 km 473.297 km
    Perigee 461.567 km 460.407 km
    Orbit Epoch 2026-10-19T03:07:15+0000 2026-10-19T11:35:49+0000

    STARLINK-31490 & OBJECT A Collision Probability (Pc) Trend

    STARLINK-31490 & OBJECT A Collision Probability (Pc) TrendNot Available

    STARLINK-31490 & OBJECT A Miss Distance (Miss Distance) Trend

    STARLINK-31490 & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31490Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31490Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31490

    No nearby objects data