🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.9

Radius: 11.1

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.52 AU - 0.84 AU

Year: 368 Days

Day: 8.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,001,455 km

• M1: 138,228 km (0.119 R)
• M2: 545,434 km (0.102 R)
• M3: 895,044 km (0.093 R)
• M4: 1,318,107 km (0.064 R)
• M5: 1,893,909 km (0.115 R)
• M6: 2,281,218 km (0.084 R)
• M7: 2,771,001 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.2

Radius: 13

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.92 AU - 1.44 AU

Year: 841 Days

Day: 5.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,001,455 km

• M1: 166,951 km (0.12 R)
• M2: 659,876 km (0.094 R)
• M3: 1,152,203 km (0.068 R)
• M4: 1,928,317 km (0.113 R)
• M5: 2,369,032 km (0.05 R)
• M6: 3,419,209 km (0.12 R)
• M7: 5,251,932 km (0.098 R)
• M8: 7,465,083 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.6

Radius: 10.6

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.96 AU - 2.12 AU

Year: 1911 Days

Day: 10.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,001,455 km

• M1: 131,796 km (0.117 R)
• M2: 597,195 km (0.111 R)
• M3: 1,164,470 km (0.105 R)
• M4: 1,584,541 km (0.107 R)
• M5: 1,973,944 km (0.119 R)
• M6: 3,338,725 km (0.105 R)
• M7: 3,743,388 km (0.084 R)
• M8: 4,526,084 km (0.079 R)
• M9: 5,653,752 km (0.091 R)
• M10: 6,026,251 km (0.066 R)
• M11: 7,271,952 km (0.113 R)
• M12: 8,172,232 km (0.056 R)
• M13: 9,348,670 km (0.103 R)
• M14: 11,050,196 km (0.112 R)
• M15: 11,793,548 km (0.118 R)
• M16: 12,906,706 km (0.116 R)
• M17: 13,249,734 km (0.088 R)
• M18: 14,775,632 km (0.035 R)
• M19: 15,245,968 km (0.062 R)
• M20: 15,726,327 km (0.101 R)
• M21: 16,465,639 km (0.119 R)
• M22: 17,331,362 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.8

Radius: 9.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.2 AU - 4.26 AU

Year: 4726 Days

Day: 10.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,001,455 km

• M1: 116,836 km (0.037 R)
• M2: 464,651 km (0.104 R)
• M3: 1,072,467 km (0.091 R)
• M4: 1,724,115 km (0.08 R)
• M5: 2,190,262 km (0.057 R)
• M6: 3,404,698 km (0.03 R)
• M7: 5,709,702 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.9

Radius: 13.5

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.99 AU - 5.21 AU

Year: 6472 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 125.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,001,455 km

• M1: 167,849 km (0.105 R)
• M2: 740,509 km (0.08 R)
• M3: 1,431,801 km (0.042 R)
• M4: 2,871,082 km (0.069 R)
• M5: 3,417,264 km (0.092 R)
• M6: 4,420,318 km (0.119 R)
• M7: 5,393,751 km (0.116 R)
• M8: 6,681,340 km (0.068 R)
• M9: 12,036,495 km (0.07 R)
• M10: 13,465,903 km (0.109 R)
• M11: 15,314,783 km (0.109 R)
• M12: 16,792,062 km (0.103 R)
• M13: 17,531,225 km (0.048 R)
• M14: 18,716,339 km (0.076 R)
• M15: 21,013,863 km (0.101 R)
• M16: 22,031,129 km (0.039 R)
• M17: 26,252,033 km (0.09 R)
• M18: 28,647,095 km (0.047 R)
• M19: 30,884,181 km (0.114 R)
• M20: 32,818,332 km (0.088 R)
• M21: 33,762,145 km (0.118 R)
• M22: 36,478,842 km (0.108 R)
• M23: 37,039,086 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812

Radius: 7.5

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.85 AU - 9.39 AU

Year: 15179 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,001,455 km

• M1: 93,349 km (0.114 R)
• M2: 604,824 km (0.053 R)
• M3: 1,424,920 km (0.108 R)
• M4: 2,327,144 km (0.097 R)
• M5: 4,311,411 km (0.114 R)
• M6: 4,570,963 km (0.065 R)
• M7: 5,229,493 km (0.115 R)
• M8: 6,190,210 km (0.077 R)
• M9: 6,863,999 km (0.063 R)
• M10: 9,610,018 km (0.06 R)
• M11: 10,110,871 km (0.118 R)
• M12: 10,570,436 km (0.1 R)
• M13: 11,655,619 km (0.113 R)
• M14: 13,765,098 km (0.118 R)
• M15: 14,329,681 km (0.097 R)
• M16: 15,809,054 km (0.081 R)
• M17: 19,154,811 km (0.083 R)
• M18: 20,037,139 km (0.108 R)
• M19: 20,670,686 km (0.043 R)
• M20: 24,345,258 km (0.06 R)
• M21: 27,537,228 km (0.046 R)
• M22: 29,117,879 km (0.097 R)
• M23: 34,478,868 km (0.114 R)
• M24: 36,580,868 km (0.057 R)
• M25: 37,663,209 km (0.071 R)
• M26: 40,893,924 km (0.073 R)
• M27: 43,849,380 km (0.08 R)
• M28: 44,152,465 km (0.117 R)
• M29: 49,032,049 km (0.052 R)
• M30: 62,874,190 km (0.117 R)
• M31: 66,800,984 km (0.033 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 14,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit