🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 12.7

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.71 AU - 0.95 AU

Year: 481 Days

Day: 5.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,105,689 km

• M1: 166,203 km (0.074 R)
• M2: 578,046 km (0.069 R)
• M3: 979,567 km (0.112 R)
• M4: 1,619,247 km (0.102 R)
• M5: 2,097,213 km (0.067 R)
• M6: 2,554,683 km (0.052 R)
• M7: 3,176,711 km (0.049 R)
• M8: 3,910,638 km (0.085 R)
• M9: 4,512,021 km (0.058 R)
• M10: 4,976,523 km (0.082 R)
• M11: 5,553,522 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.8

Radius: 14.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.82 AU - 0.88 AU

Year: 498 Days

Day: 9.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,105,689 km

• M1: 181,612 km (0.094 R)
• M2: 696,827 km (0.084 R)
• M3: 1,178,981 km (0.095 R)
• M4: 1,794,426 km (0.111 R)
• M5: 2,303,658 km (0.117 R)
• M6: 2,763,521 km (0.052 R)
• M7: 3,263,627 km (0.12 R)
• M8: 3,848,704 km (0.088 R)
• M9: 4,865,372 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.9

Radius: 9.8

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.09 AU - 1.15 AU

Year: 754 Days

Day: 10.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,105,689 km

• M1: 121,922 km (0.1 R)
• M2: 427,102 km (0.06 R)
• M3: 753,225 km (0.11 R)
• M4: 1,109,268 km (0.071 R)
• M5: 2,043,357 km (0.092 R)
• M6: 2,391,621 km (0.113 R)
• M7: 4,424,806 km (0.057 R)
• M8: 4,925,959 km (0.098 R)
• M9: 5,884,283 km (0.105 R)
• M10: 6,962,135 km (0.116 R)
• M11: 7,364,404 km (0.109 R)
• M12: 7,829,504 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.1

Radius: 10.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.73 AU - 1.95 AU

Year: 1587 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,105,689 km

• M1: 125,961 km (0.101 R)
• M2: 463,903 km (0.071 R)
• M3: 941,270 km (0.074 R)
• M4: 1,564,345 km (0.066 R)
• M5: 2,010,446 km (0.103 R)
• M6: 2,753,947 km (0.05 R)
• M7: 3,815,045 km (0.047 R)
• M8: 5,269,136 km (0.112 R)
• M9: 5,620,691 km (0.115 R)
• M10: 7,363,207 km (0.117 R)
• M11: 7,750,815 km (0.045 R)
• M12: 10,726,766 km (0.107 R)
• M13: 11,124,546 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.5

Radius: 9.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.72 AU - 4.24 AU

Year: 4128 Days

Day: 5 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,105,689 km

• M1: 114,742 km (0.107 R)
• M2: 469,887 km (0.047 R)
• M3: 844,929 km (0.057 R)
• M4: 1,205,908 km (0.046 R)
• M5: 1,723,517 km (0.105 R)
• M6: 2,315,775 km (0.068 R)
• M7: 3,103,109 km (0.107 R)
• M8: 3,960,903 km (0.098 R)
• M9: 4,424,507 km (0.088 R)
• M10: 7,424,393 km (0.118 R)
• M11: 9,015,366 km (0.091 R)
• M12: 9,324,286 km (0.109 R)
• M13: 13,161,920 km (0.093 R)
• M14: 16,169,435 km (0.038 R)
• M15: 17,725,553 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.1

Radius: 4.6

Gravity: 32.14 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.85 AU - 7.25 AU

Year: 11902 Days

Day: 22.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,105,689 km

• M1: 57,146 km (0.106 R)
• M2: 241,900 km (0.065 R)
• M3: 936,333 km (0.088 R)
• M4: 1,564,345 km (0.094 R)
• M5: 2,038,121 km (0.039 R)
• M6: 2,298,721 km (0.072 R)
• M7: 2,774,592 km (0.074 R)
• M8: 3,118,667 km (0.114 R)
• M9: 3,338,426 km (0.044 R)
• M10: 4,088,809 km (0.087 R)
• M11: 5,347,376 km (0.084 R)
• M12: 5,842,994 km (0.112 R)
• M13: 7,048,603 km (0.108 R)
• M14: 9,178,877 km (0.089 R)
• M15: 10,470,205 km (0.07 R)
• M16: 10,963,430 km (0.07 R)
• M17: 11,644,848 km (0.111 R)
• M18: 12,414,529 km (0.106 R)
• M19: 14,186,366 km (0.111 R)
• M20: 15,201,687 km (0.038 R)
• M21: 15,550,549 km (0.034 R)
• M22: 16,336,985 km (0.088 R)
• M23: 17,988,845 km (0.104 R)
• M24: 18,300,756 km (0.09 R)
• M25: 19,502,326 km (0.111 R)
• M26: 20,164,297 km (0.06 R)
• M27: 24,644,155 km (0.078 R)
• M28: 27,730,808 km (0.049 R)
• M29: 28,567,209 km (0.099 R)
• M30: 29,420,366 km (0.106 R)
• M31: 30,290,278 km (0.107 R)
• M32: 30,620,889 km (0.117 R)
• M33: 42,378,534 km (0.111 R)
• M34: 46,782,545 km (0.093 R)
• M35: 51,169,802 km (0.1 R)
• M36: 53,703,840 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.4

Radius: 6.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.52 AU - 11.72 AU

Year: 18971 Days

Day: 25 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,105,689 km

• M1: 86,019 km (0.054 R)
• M2: 492,027 km (0.06 R)
• M3: 964,906 km (0.102 R)
• M4: 1,183,918 km (0.092 R)
• M5: 1,694,345 km (0.118 R)
• M6: 2,578,618 km (0.082 R)
• M7: 5,583,142 km (0.072 R)
• M8: 7,617,224 km (0.09 R)
• M9: 9,252,030 km (0.064 R)
• M10: 14,077,758 km (0.109 R)
• M11: 17,612,905 km (0.074 R)
• M12: 20,191,225 km (0.106 R)
• M13: 20,519,891 km (0.115 R)
• M14: 21,527,433 km (0.052 R)
• M15: 21,956,779 km (0.111 R)
• M16: 23,279,224 km (0.045 R)
• M17: 24,189,976 km (0.119 R)
• M18: 29,311,309 km (0.069 R)
• M19: 34,172,941 km (0.062 R)
• M20: 35,706,020 km (0.045 R)
• M21: 40,840,967 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 19,601 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit