🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.52 AU - 0.82 AU

Year: 198 Days

Day: 14.9 Hours

Environment

Temp: 213 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.31 AU - 1.35 AU

Year: 555 Days

Day: 27.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.03 AU - 1.65 AU

Year: 561 Days

Day: 29.6 Hours

Environment

Temp: 8 °C

Axial Tilt: 28.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,370,041 km

• M1: 34,707 km (0.075 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.3 AU - 1.6 AU

Year: 631 Days

Day: 13.3 Hours

Environment

Temp: -29 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.6

Radius: 14.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.56 AU - 10.64 AU

Year: 9121 Days

Day: 7.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,370,041 km

• M1: 183,856 km (0.074 R)
• M2: 1,016,966 km (0.112 R)
• M3: 2,122,046 km (0.064 R)
• M4: 2,723,429 km (0.105 R)
• M5: 4,031,962 km (0.109 R)
• M6: 5,218,273 km (0.086 R)
• M7: 7,062,815 km (0.04 R)
• M8: 7,856,132 km (0.101 R)
• M9: 9,005,792 km (0.076 R)
• M10: 9,819,305 km (0.098 R)
• M11: 11,415,814 km (0.103 R)
• M12: 12,603,920 km (0.06 R)
• M13: 13,572,865 km (0.088 R)
• M14: 16,951,533 km (0.1 R)
• M15: 20,264,228 km (0.074 R)
• M16: 23,913,968 km (0.099 R)
• M17: 25,171,936 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 10.9

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 10.98 AU - 12.48 AU

Year: 14529 Days

Day: 10 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,370,041 km

• M1: 136,882 km (0.091 R)
• M2: 614,398 km (0.08 R)
• M3: 1,215,184 km (0.117 R)
• M4: 1,607,878 km (0.067 R)
• M5: 2,505,316 km (0.105 R)
• M6: 3,765,079 km (0.112 R)
• M7: 4,486,889 km (0.083 R)
• M8: 4,915,188 km (0.077 R)
• M9: 6,086,988 km (0.074 R)
• M10: 8,229,528 km (0.073 R)
• M11: 11,304,812 km (0.088 R)
• M12: 12,038,290 km (0.087 R)
• M13: 15,588,547 km (0.118 R)
• M14: 16,497,354 km (0.066 R)
• M15: 18,503,611 km (0.073 R)
• M16: 21,302,587 km (0.082 R)
• M17: 23,383,045 km (0.098 R)
• M18: 24,674,374 km (0.111 R)
• M19: 29,171,136 km (0.11 R)
• M20: 30,433,443 km (0.094 R)
• M21: 30,901,385 km (0.119 R)
• M22: 33,685,551 km (0.113 R)
• M23: 34,186,405 km (0.094 R)
• M24: 50,963,507 km (0.114 R)
• M25: 53,978,951 km (0.092 R)
• M26: 56,757,432 km (0.111 R)
• M27: 58,902,965 km (0.038 R)
• M28: 62,786,675 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.7

Radius: 7.7

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 13.83 AU - 19.01 AU

Year: 24063 Days

Day: 23.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,370,041 km

• M1: 95,892 km (0.081 R)
• M2: 335,847 km (0.089 R)
• M3: 676,930 km (0.102 R)
• M4: 1,555,668 km (0.096 R)
• M5: 2,036,775 km (0.09 R)
• M6: 2,786,260 km (0.104 R)
• M7: 3,556,091 km (0.079 R)
• M8: 3,863,066 km (0.077 R)
• M9: 5,156,040 km (0.068 R)
• M10: 6,006,803 km (0.059 R)
• M11: 6,854,275 km (0.111 R)
• M12: 8,511,969 km (0.098 R)
• M13: 11,116,019 km (0.107 R)
• M14: 12,045,022 km (0.043 R)
• M15: 14,056,665 km (0.058 R)
• M16: 18,549,837 km (0.081 R)
• M17: 20,528,867 km (0.102 R)
• M18: 23,916,511 km (0.069 R)
• M19: 30,234,178 km (0.104 R)
• M20: 31,775,186 km (0.045 R)
• M21: 37,726,788 km (0.057 R)
• M22: 41,195,962 km (0.077 R)
• M23: 45,699,158 km (0.102 R)
• M24: 46,705,203 km (0.089 R)
• M25: 62,789,069 km (0.047 R)
• M26: 67,858,492 km (0.077 R)
• M27: 68,947,863 km (0.072 R)
• M28: 72,060,247 km (0.106 R)
• M29: 77,138,197 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.4

Radius: 7.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 17.92 AU - 18.24 AU

Year: 27803 Days

Day: 19.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,370,041 km

• M1: 98,585 km (0.084 R)
• M2: 964,457 km (0.033 R)
• M3: 1,263,504 km (0.103 R)
• M4: 1,690,905 km (0.114 R)
• M5: 2,072,529 km (0.11 R)
• M6: 2,693,061 km (0.08 R)
• M7: 3,059,725 km (0.085 R)
• M8: 4,906,062 km (0.106 R)
• M9: 5,569,230 km (0.043 R)
• M10: 5,842,694 km (0.051 R)
• M11: 6,501,823 km (0.074 R)
• M12: 7,918,365 km (0.117 R)
• M13: 9,310,672 km (0.07 R)
• M14: 9,922,079 km (0.067 R)
• M15: 10,208,858 km (0.096 R)
• M16: 12,176,519 km (0.12 R)
• M17: 14,166,769 km (0.083 R)
• M18: 14,457,288 km (0.086 R)
• M19: 15,429,225 km (0.088 R)
• M20: 16,364,511 km (0.069 R)
• M21: 18,519,618 km (0.118 R)
• M22: 24,201,495 km (0.093 R)
• M23: 26,656,246 km (0.077 R)
• M24: 32,682,198 km (0.119 R)
• M25: 35,942,684 km (0.092 R)
• M26: 37,305,371 km (0.097 R)
• M27: 39,270,638 km (0.119 R)
• M28: 45,579,180 km (0.102 R)
• M29: 47,660,685 km (0.108 R)
• M30: 52,704,676 km (0.082 R)
• M31: 55,715,034 km (0.086 R)
• M32: 56,621,896 km (0.079 R)
• M33: 63,443,260 km (0.109 R)
• M34: 66,440,154 km (0.088 R)
• M35: 68,489,795 km (0.064 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 17,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit