🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.63 AU - 0.89 AU

Year: 248 Days

Day: 41.8 Hours

Environment

Temp: 126 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 37,800,470 km

• M1: 45,328 km (0.042 R)
• M2: 425,606 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.92 AU - 0.92 AU

Year: 331 Days

Day: 15.3 Hours

Environment

Temp: 14 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,800,470 km

• M1: 218,562 km (0.056 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.54 AU - 1.66 AU

Year: 758 Days

Day: 46.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.52 AU - 1.84 AU

Year: 816 Days

Day: 24.3 Hours

Environment

Temp: -49 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.9

Radius: 11.9

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.03 AU - 8.87 AU

Year: 8400 Days

Day: 8.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,800,470 km

• M1: 147,952 km (0.115 R)
• M2: 615,146 km (0.118 R)
• M3: 1,143,825 km (0.052 R)
• M4: 1,648,120 km (0.107 R)
• M5: 2,213,300 km (0.083 R)
• M6: 3,591,546 km (0.109 R)
• M7: 4,116,036 km (0.11 R)
• M8: 5,573,119 km (0.115 R)
• M9: 7,004,621 km (0.049 R)
• M10: 7,388,340 km (0.03 R)
• M11: 9,066,080 km (0.118 R)
• M12: 10,285,003 km (0.06 R)
• M13: 11,190,669 km (0.083 R)
• M14: 12,704,450 km (0.095 R)
• M15: 13,866,376 km (0.104 R)
• M16: 16,738,057 km (0.047 R)
• M17: 19,081,059 km (0.118 R)
• M18: 20,525,277 km (0.037 R)
• M19: 23,544,461 km (0.102 R)
• M20: 26,848,180 km (0.05 R)
• M21: 27,601,256 km (0.118 R)
• M22: 29,346,913 km (0.081 R)
• M23: 35,697,343 km (0.029 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512

Radius: 4.5

Gravity: 25.28 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 11.21 AU - 13.11 AU

Year: 15890 Days

Day: 25 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 37,800,470 km

• M1: 55,950 km (0.094 R)
• M2: 298,298 km (0.086 R)
• M3: 863,928 km (0.053 R)
• M4: 1,195,137 km (0.1 R)
• M5: 1,529,339 km (0.045 R)
• M6: 1,751,641 km (0.074 R)
• M7: 2,443,980 km (0.038 R)
• M8: 2,659,102 km (0.094 R)
• M9: 3,620,717 km (0.048 R)
• M10: 4,994,624 km (0.073 R)
• M11: 5,593,764 km (0.074 R)
• M12: 6,724,125 km (0.106 R)
• M13: 7,365,002 km (0.094 R)
• M14: 8,473,373 km (0.07 R)
• M15: 8,966,448 km (0.073 R)
• M16: 10,843,452 km (0.026 R)
• M17: 11,073,234 km (0.099 R)
• M18: 12,334,195 km (0.09 R)
• M19: 13,621,036 km (0.105 R)
• M20: 14,503,962 km (0.111 R)
• M21: 17,695,932 km (0.1 R)
• M22: 18,014,725 km (0.105 R)
• M23: 20,008,416 km (0.102 R)
• M24: 21,596,846 km (0.056 R)
• M25: 23,172,411 km (0.027 R)
• M26: 26,863,140 km (0.069 R)
• M27: 30,242,257 km (0.098 R)
• M28: 33,528,174 km (0.102 R)
• M29: 34,509,087 km (0.115 R)
• M30: 43,341,495 km (0.103 R)
• M31: 43,485,857 km (0.118 R)
• M32: 46,138,078 km (0.066 R)
• M33: 47,350,718 km (0.104 R)
• M34: 52,741,777 km (0.109 R)
• M35: 53,401,802 km (0.066 R)
• M36: 54,067,214 km (0.071 R)
• M37: 57,651,579 km (0.113 R)
• M38: 59,235,072 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.7

Radius: 5.7

Gravity: 24.34 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 9.63 AU - 14.87 AU

Year: 16067 Days

Day: 21.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 37,800,470 km

• M1: 70,909 km (0.102 R)
• M2: 380,427 km (0.115 R)
• M3: 718,219 km (0.046 R)
• M4: 2,436,201 km (0.047 R)
• M5: 2,708,021 km (0.108 R)
• M6: 3,076,181 km (0.088 R)
• M7: 3,504,779 km (0.066 R)
• M8: 4,648,305 km (0.053 R)
• M9: 5,067,329 km (0.073 R)
• M10: 5,360,391 km (0.082 R)
• M11: 6,225,067 km (0.114 R)
• M12: 7,362,609 km (0.066 R)
• M13: 8,177,468 km (0.115 R)
• M14: 8,839,888 km (0.094 R)
• M15: 10,445,821 km (0.113 R)
• M16: 11,597,575 km (0.119 R)
• M17: 16,334,442 km (0.119 R)
• M18: 17,880,985 km (0.107 R)
• M19: 18,133,805 km (0.102 R)
• M20: 19,880,659 km (0.108 R)
• M21: 20,243,135 km (0.027 R)
• M22: 21,074,450 km (0.078 R)
• M23: 24,010,309 km (0.11 R)
• M24: 25,682,364 km (0.104 R)
• M25: 26,004,299 km (0.085 R)
• M26: 26,656,246 km (0.057 R)
• M27: 27,207,814 km (0.075 R)
• M28: 31,161,984 km (0.044 R)
• M29: 34,692,793 km (0.079 R)
• M30: 36,284,365 km (0.079 R)
• M31: 38,902,777 km (0.11 R)
• M32: 40,765,270 km (0.08 R)
• M33: 41,497,253 km (0.09 R)
• M34: 60,085,835 km (0.106 R)
• M35: 61,990,814 km (0.067 R)
• M36: 66,524,677 km (0.063 R)

Asteroid Belt

Center: 14.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61

Radius: 7.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 12.52 AU - 19.02 AU

Year: 23468 Days

Day: 21.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,800,470 km

• M1: 125,961 km (0.036 R)
• M2: 1,892,114 km (0.081 R)
• M3: 2,325,349 km (0.064 R)
• M4: 2,575,028 km (0.114 R)
• M5: 3,735,160 km (0.094 R)
• M6: 4,802,391 km (0.1 R)
• M7: 5,798,713 km (0.09 R)
• M8: 6,782,319 km (0.07 R)
• M9: 7,561,125 km (0.032 R)
• M10: 9,608,222 km (0.114 R)
• M11: 10,881,151 km (0.092 R)
• M12: 13,359,090 km (0.117 R)
• M13: 16,708,437 km (0.063 R)
• M14: 17,915,991 km (0.036 R)
• M15: 21,886,318 km (0.111 R)
• M16: 32,116,419 km (0.118 R)
• M17: 32,523,923 km (0.114 R)
• M18: 37,237,603 km (0.12 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 10,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit