🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.55 AU - 0.77 AU

Year: 352 Days

Day: 33.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.3

Radius: 12.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.16 AU - 1.84 AU

Year: 1205 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,035,476 km

• M1: 156,629 km (0.051 R)
• M2: 593,156 km (0.042 R)
• M3: 1,054,964 km (0.086 R)
• M4: 1,511,836 km (0.071 R)
• M5: 3,929,338 km (0.074 R)
• M6: 4,353,448 km (0.08 R)
• M7: 5,734,685 km (0.08 R)
• M8: 6,645,437 km (0.093 R)
• M9: 7,181,595 km (0.118 R)
• M10: 7,650,286 km (0.085 R)
• M11: 8,114,338 km (0.088 R)
• M12: 8,885,665 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809

Radius: 12.9

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.39 AU - 1.91 AU

Year: 1390 Days

Day: 5.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,035,476 km

• M1: 160,519 km (0.049 R)
• M2: 613,202 km (0.042 R)
• M3: 1,033,422 km (0.085 R)
• M4: 1,459,926 km (0.077 R)
• M5: 2,206,569 km (0.043 R)
• M6: 3,270,957 km (0.118 R)
• M7: 4,990,286 km (0.098 R)
• M8: 6,271,292 km (0.088 R)
• M9: 7,066,255 km (0.083 R)
• M10: 8,737,413 km (0.068 R)
• M11: 9,193,537 km (0.088 R)
• M12: 9,601,640 km (0.118 R)
• M13: 11,179,598 km (0.06 R)
• M14: 11,864,308 km (0.108 R)
• M15: 12,273,458 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.4

Radius: 11.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.72 AU - 2.48 AU

Year: 1996 Days

Day: 9.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,035,476 km

• M1: 149,897 km (0.108 R)
• M2: 553,213 km (0.097 R)
• M3: 936,483 km (0.109 R)
• M4: 1,889,272 km (0.067 R)
• M5: 3,008,114 km (0.12 R)
• M6: 3,904,056 km (0.037 R)
• M7: 4,488,684 km (0.073 R)
• M8: 4,890,654 km (0.082 R)
• M9: 5,421,576 km (0.09 R)
• M10: 6,648,279 km (0.086 R)
• M11: 7,886,501 km (0.115 R)
• M12: 8,417,274 km (0.053 R)
• M13: 10,415,004 km (0.104 R)
• M14: 11,577,529 km (0.078 R)
• M15: 12,153,780 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 10.9

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.15 AU - 2.17 AU

Year: 2083 Days

Day: 9.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,035,476 km

• M1: 135,984 km (0.089 R)
• M2: 479,312 km (0.053 R)
• M3: 905,366 km (0.116 R)
• M4: 1,677,740 km (0.082 R)
• M5: 2,086,442 km (0.108 R)
• M6: 2,899,805 km (0.12 R)
• M7: 3,432,972 km (0.106 R)
• M8: 4,381,871 km (0.118 R)
• M9: 4,791,919 km (0.054 R)
• M10: 5,434,292 km (0.04 R)
• M11: 6,433,756 km (0.07 R)
• M12: 7,318,178 km (0.112 R)
• M13: 8,564,029 km (0.049 R)
• M14: 9,177,680 km (0.073 R)
• M15: 9,541,203 km (0.093 R)
• M16: 10,200,929 km (0.077 R)
• M17: 10,657,352 km (0.08 R)
• M18: 11,506,470 km (0.12 R)
• M19: 12,109,050 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.1

Radius: 11.5

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.11 AU - 2.23 AU

Year: 2097 Days

Day: 10.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,035,476 km

• M1: 143,016 km (0.074 R)
• M2: 687,701 km (0.026 R)
• M3: 1,161,777 km (0.108 R)
• M4: 1,933,852 km (0.112 R)
• M5: 3,038,034 km (0.057 R)
• M6: 4,107,509 km (0.09 R)
• M7: 5,608,873 km (0.117 R)
• M8: 7,569,353 km (0.034 R)
• M9: 8,004,234 km (0.082 R)
• M10: 8,423,108 km (0.064 R)
• M11: 9,481,064 km (0.112 R)
• M12: 9,877,050 km (0.093 R)
• M13: 11,211,463 km (0.113 R)
• M14: 13,500,609 km (0.117 R)
• M15: 14,188,311 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.9

Radius: 14

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.66 AU - 3 AU

Year: 3123 Days

Day: 9 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,035,476 km

• M1: 174,132 km (0.075 R)
• M2: 656,585 km (0.049 R)
• M3: 1,241,064 km (0.081 R)
• M4: 1,720,525 km (0.039 R)
• M5: 2,562,612 km (0.088 R)
• M6: 3,358,771 km (0.118 R)
• M7: 3,805,620 km (0.078 R)
• M8: 5,039,653 km (0.051 R)
• M9: 5,497,123 km (0.09 R)
• M10: 6,764,217 km (0.096 R)
• M11: 7,613,185 km (0.097 R)
• M12: 10,266,752 km (0.092 R)
• M13: 11,561,671 km (0.078 R)
• M14: 12,181,156 km (0.094 R)
• M15: 13,390,206 km (0.073 R)
• M16: 14,474,641 km (0.062 R)
• M17: 18,375,854 km (0.118 R)
• M18: 19,343,154 km (0.104 R)
• M19: 20,217,105 km (0.051 R)
• M20: 21,976,974 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 9.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.86 AU - 5.64 AU

Year: 6791 Days

Day: 7.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,035,476 km

• M1: 134,339 km (0.112 R)
• M2: 456,423 km (0.049 R)
• M3: 1,345,334 km (0.098 R)
• M4: 2,674,960 km (0.083 R)
• M5: 3,532,155 km (0.114 R)
• M6: 4,198,763 km (0.112 R)
• M7: 4,800,296 km (0.086 R)
• M8: 5,379,390 km (0.101 R)
• M9: 7,464,335 km (0.105 R)
• M10: 8,418,171 km (0.115 R)
• M11: 8,741,303 km (0.066 R)
• M12: 11,070,392 km (0.092 R)
• M13: 11,546,412 km (0.063 R)
• M14: 16,689,438 km (0.096 R)
• M15: 17,957,579 km (0.077 R)
• M16: 19,978,496 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.8

Radius: 4.8

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.04 AU - 7.6 AU

Year: 11684 Days

Day: 23.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,035,476 km

• M1: 63,429 km (0.046 R)
• M2: 228,137 km (0.075 R)
• M3: 565,330 km (0.083 R)
• M4: 923,019 km (0.086 R)
• M5: 1,502,411 km (0.103 R)
• M6: 2,728,216 km (0.076 R)
• M7: 2,915,662 km (0.047 R)
• M8: 3,295,491 km (0.055 R)
• M9: 5,467,204 km (0.108 R)
• M10: 5,645,076 km (0.056 R)
• M11: 6,170,314 km (0.036 R)
• M12: 6,863,401 km (0.093 R)
• M13: 9,252,628 km (0.083 R)
• M14: 11,168,977 km (0.086 R)
• M15: 12,346,013 km (0.055 R)
• M16: 14,544,204 km (0.117 R)
• M17: 18,675,499 km (0.097 R)
• M18: 24,394,775 km (0.093 R)
• M19: 30,155,041 km (0.085 R)
• M20: 31,748,558 km (0.083 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 13,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit