🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.2

Radius: 13.8

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.64 AU - 1 AU

Year: 513 Days

Day: 14.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,647,584 km

• M1: 171,589 km (0.101 R)
• M2: 780,302 km (0.088 R)
• M3: 1,320,949 km (0.113 R)
• M4: 1,940,434 km (0.045 R)
• M5: 2,411,518 km (0.118 R)
• M6: 3,016,641 km (0.103 R)
• M7: 3,462,592 km (0.071 R)
• M8: 3,938,912 km (0.025 R)
• M9: 4,799,548 km (0.106 R)
• M10: 5,258,216 km (0.084 R)
• M11: 6,515,586 km (0.085 R)
• M12: 7,079,719 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340

Radius: 11.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.03 AU - 1.29 AU

Year: 862 Days

Day: 14.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,647,584 km

• M1: 141,220 km (0.08 R)
• M2: 521,349 km (0.11 R)
• M3: 1,270,086 km (0.054 R)
• M4: 1,887,476 km (0.069 R)
• M5: 2,413,911 km (0.08 R)
• M6: 2,806,456 km (0.1 R)
• M7: 3,156,216 km (0.057 R)
• M8: 3,874,136 km (0.039 R)
• M9: 5,297,709 km (0.102 R)
• M10: 6,529,797 km (0.117 R)
• M11: 6,980,386 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.8

Radius: 11.7

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.39 AU - 1.75 AU

Year: 1358 Days

Day: 10.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,647,584 km

• M1: 145,559 km (0.082 R)
• M2: 513,719 km (0.075 R)
• M3: 1,535,921 km (0.077 R)
• M4: 1,954,795 km (0.106 R)
• M5: 2,682,739 km (0.053 R)
• M6: 3,445,837 km (0.1 R)
• M7: 4,576,199 km (0.061 R)
• M8: 5,723,764 km (0.112 R)
• M9: 6,746,864 km (0.107 R)
• M10: 7,603,013 km (0.119 R)
• M11: 8,504,789 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.9

Radius: 8.6

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.32 AU - 2.86 AU

Year: 2877 Days

Day: 12.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,647,584 km

• M1: 107,411 km (0.12 R)
• M2: 547,678 km (0.116 R)
• M3: 889,509 km (0.101 R)
• M4: 1,325,736 km (0.12 R)
• M5: 1,676,992 km (0.047 R)
• M6: 1,974,393 km (0.113 R)
• M7: 2,349,435 km (0.108 R)
• M8: 4,114,540 km (0.101 R)
• M9: 6,537,577 km (0.081 R)
• M10: 9,299,602 km (0.115 R)
• M11: 10,086,038 km (0.104 R)
• M12: 11,536,389 km (0.066 R)
• M13: 12,005,977 km (0.091 R)
• M14: 13,822,095 km (0.034 R)
• M15: 17,372,950 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.8

Radius: 13.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.63 AU - 4.99 AU

Year: 6176 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,647,584 km

• M1: 163,810 km (0.095 R)
• M2: 740,210 km (0.115 R)
• M3: 1,205,460 km (0.109 R)
• M4: 1,943,725 km (0.047 R)
• M5: 3,130,635 km (0.096 R)
• M6: 3,968,832 km (0.089 R)
• M7: 5,703,120 km (0.091 R)
• M8: 7,510,262 km (0.092 R)
• M9: 8,586,768 km (0.071 R)
• M10: 9,493,182 km (0.11 R)
• M11: 9,900,836 km (0.052 R)
• M12: 10,848,688 km (0.111 R)
• M13: 11,547,460 km (0.072 R)
• M14: 13,146,212 km (0.054 R)
• M15: 15,563,863 km (0.095 R)
• M16: 17,042,937 km (0.102 R)
• M17: 18,333,967 km (0.078 R)
• M18: 20,056,587 km (0.081 R)
• M19: 23,988,019 km (0.041 R)
• M20: 31,004,308 km (0.082 R)
• M21: 33,028,218 km (0.098 R)
• M22: 36,337,323 km (0.113 R)
• M23: 37,002,435 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.6

Radius: 3.6

Gravity: 21.03 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.12 AU - 7.92 AU

Year: 12839 Days

Day: 15.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,647,584 km

• M1: 52,958 km (0.062 R)
• M2: 238,609 km (0.088 R)
• M3: 408,402 km (0.039 R)
• M4: 801,545 km (0.095 R)
• M5: 1,580,950 km (0.101 R)
• M6: 2,589,390 km (0.078 R)
• M7: 3,171,325 km (0.09 R)
• M8: 6,099,255 km (0.074 R)
• M9: 6,853,826 km (0.118 R)
• M10: 7,234,104 km (0.109 R)
• M11: 10,104,439 km (0.098 R)
• M12: 14,071,325 km (0.117 R)
• M13: 14,684,677 km (0.095 R)
• M14: 15,702,690 km (0.11 R)
• M15: 17,525,839 km (0.111 R)
• M16: 20,556,543 km (0.08 R)
• M17: 21,345,372 km (0.099 R)
• M18: 21,990,887 km (0.087 R)
• M19: 26,877,501 km (0.09 R)
• M20: 30,575,860 km (0.118 R)
• M21: 33,941,962 km (0.108 R)
• M22: 35,489,103 km (0.1 R)
• M23: 39,561,755 km (0.113 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 19,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit