🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.7

Radius: 9.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.52 AU - 0.52 AU

Year: 250 Days

Day: 9.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,890,267 km

• M1: 113,246 km (0.086 R)
• M2: 430,842 km (0.064 R)
• M3: 734,376 km (0.074 R)
• M4: 1,646,025 km (0.118 R)
• M5: 2,107,984 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.7

Radius: 15

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.43 AU - 0.65 AU

Year: 265 Days

Day: 5.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,890,267 km

• M1: 186,549 km (0.111 R)
• M2: 707,897 km (0.098 R)
• M3: 1,202,468 km (0.076 R)
• M4: 1,732,942 km (0.111 R)
• M5: 2,282,415 km (0.107 R)
• M6: 3,192,269 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.8

Radius: 13.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.77 AU - 1.09 AU

Year: 598 Days

Day: 14.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,890,267 km

• M1: 169,195 km (0.069 R)
• M2: 640,578 km (0.106 R)
• M3: 1,230,592 km (0.097 R)
• M4: 1,791,285 km (0.044 R)
• M5: 3,151,728 km (0.109 R)
• M6: 3,607,702 km (0.111 R)
• M7: 4,747,339 km (0.11 R)
• M8: 5,232,335 km (0.098 R)
• M9: 6,436,448 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.5

Radius: 8.6

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.44 AU - 1.84 AU

Year: 1401 Days

Day: 11.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,890,267 km

• M1: 107,561 km (0.103 R)
• M2: 529,726 km (0.092 R)
• M3: 798,105 km (0.108 R)
• M4: 1,711,848 km (0.087 R)
• M5: 2,240,677 km (0.099 R)
• M6: 3,141,106 km (0.072 R)
• M7: 3,759,245 km (0.072 R)
• M8: 4,152,837 km (0.081 R)
• M9: 4,573,656 km (0.098 R)
• M10: 5,128,813 km (0.094 R)
• M11: 5,844,190 km (0.064 R)
• M12: 6,201,580 km (0.106 R)
• M13: 6,498,083 km (0.052 R)
• M14: 7,013,298 km (0.118 R)
• M15: 9,001,902 km (0.079 R)
• M16: 9,447,106 km (0.053 R)
• M17: 9,973,840 km (0.105 R)
• M18: 10,416,051 km (0.085 R)
• M19: 10,800,368 km (0.071 R)
• M20: 11,597,575 km (0.118 R)
• M21: 13,187,052 km (0.04 R)
• M22: 13,678,481 km (0.053 R)
• M23: 13,970,796 km (0.055 R)
• M24: 14,395,653 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.9

Radius: 12.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.16 AU - 3 AU

Year: 2763 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 174.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,890,267 km

• M1: 157,975 km (0.118 R)
• M2: 648,956 km (0.118 R)
• M3: 1,263,354 km (0.054 R)
• M4: 1,677,890 km (0.076 R)
• M5: 2,083,150 km (0.083 R)
• M6: 2,809,149 km (0.092 R)
• M7: 3,301,027 km (0.058 R)
• M8: 3,967,186 km (0.078 R)
• M9: 5,899,242 km (0.058 R)
• M10: 6,405,631 km (0.069 R)
• M11: 6,940,892 km (0.065 R)
• M12: 7,784,026 km (0.054 R)
• M13: 8,198,263 km (0.105 R)
• M14: 9,175,436 km (0.108 R)
• M15: 9,783,701 km (0.116 R)
• M16: 11,564,963 km (0.106 R)
• M17: 12,837,442 km (0.097 R)
• M18: 19,447,723 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.9

Radius: 13.5

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.34 AU - 3.2 AU

Year: 3074 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,890,267 km

• M1: 168,447 km (0.056 R)
• M2: 594,951 km (0.078 R)
• M3: 1,114,504 km (0.108 R)
• M4: 2,020,020 km (0.111 R)
• M5: 3,079,472 km (0.084 R)
• M6: 3,663,951 km (0.101 R)
• M7: 4,254,863 km (0.084 R)
• M8: 4,933,439 km (0.06 R)
• M9: 5,602,291 km (0.092 R)
• M10: 6,389,624 km (0.115 R)
• M11: 6,810,293 km (0.106 R)
• M12: 7,607,800 km (0.075 R)
• M13: 10,094,565 km (0.098 R)
• M14: 15,677,408 km (0.069 R)
• M15: 18,478,927 km (0.086 R)
• M16: 19,274,938 km (0.083 R)
• M17: 20,414,724 km (0.102 R)
• M18: 20,869,950 km (0.06 R)
• M19: 21,666,110 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148

Radius: 5.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.89 AU - 6.61 AU

Year: 9195 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,890,267 km

• M1: 65,973 km (0.062 R)
• M2: 343,178 km (0.038 R)
• M3: 548,276 km (0.09 R)
• M4: 720,763 km (0.076 R)
• M5: 1,122,882 km (0.105 R)
• M6: 2,148,674 km (0.096 R)
• M7: 2,505,316 km (0.087 R)
• M8: 2,811,393 km (0.106 R)
• M9: 3,498,047 km (0.097 R)
• M10: 4,555,106 km (0.07 R)
• M11: 5,497,423 km (0.083 R)
• M12: 6,689,568 km (0.088 R)
• M13: 8,116,582 km (0.112 R)
• M14: 8,446,894 km (0.113 R)
• M15: 8,634,340 km (0.052 R)
• M16: 10,533,635 km (0.105 R)
• M17: 11,649,485 km (0.072 R)
• M18: 11,881,811 km (0.04 R)
• M19: 12,307,716 km (0.119 R)
• M20: 14,970,109 km (0.098 R)
• M21: 15,804,117 km (0.084 R)
• M22: 17,082,730 km (0.059 R)
• M23: 19,581,464 km (0.103 R)
• M24: 23,770,503 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.9

Radius: 7.2

Gravity: 19.06 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.76 AU - 11.08 AU

Year: 19280 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,890,267 km

• M1: 89,609 km (0.099 R)
• M2: 339,737 km (0.067 R)
• M3: 1,495,530 km (0.106 R)
• M4: 1,775,876 km (0.105 R)
• M5: 2,197,443 km (0.12 R)
• M6: 3,934,574 km (0.119 R)
• M7: 4,797,604 km (0.112 R)
• M8: 5,098,894 km (0.05 R)
• M9: 5,739,322 km (0.056 R)
• M10: 6,522,617 km (0.092 R)
• M11: 7,675,119 km (0.089 R)
• M12: 8,406,952 km (0.097 R)
• M13: 9,532,077 km (0.089 R)
• M14: 10,009,145 km (0.08 R)
• M15: 13,285,189 km (0.098 R)
• M16: 15,044,011 km (0.081 R)
• M17: 15,608,892 km (0.112 R)
• M18: 18,831,380 km (0.11 R)
• M19: 20,450,627 km (0.076 R)
• M20: 21,852,060 km (0.075 R)
• M21: 22,891,466 km (0.109 R)
• M22: 28,710,225 km (0.109 R)
• M23: 29,453,577 km (0.064 R)
• M24: 34,047,578 km (0.082 R)
• M25: 35,301,806 km (0.099 R)
• M26: 35,726,515 km (0.105 R)
• M27: 43,318,158 km (0.049 R)
• M28: 44,459,889 km (0.058 R)
• M29: 44,789,902 km (0.102 R)
• M30: 54,514,960 km (0.108 R)
• M31: 58,769,075 km (0.089 R)
• M32: 59,166,407 km (0.111 R)
• M33: 64,075,760 km (0.102 R)
• M34: 67,931,047 km (0.053 R)
• M35: 70,361,563 km (0.041 R)
• M36: 71,711,534 km (0.118 R)
• M37: 82,142,695 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 12,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit