🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.45 AU - 0.75 AU

Year: 178 Days

Day: 17.2 Hours

Environment

Temp: 133 °C

Axial Tilt: 14.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,653,268 km

• M1: 183,557 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.94 AU - 1.24 AU

Year: 436 Days

Day: 12.1 Hours

Environment

Temp: -2 °C

Axial Tilt: 27.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,653,268 km

• M1: 495,019 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.18 AU - 3.16 AU

Year: 1670 Days

Day: 23 Hours

Environment

Temp: -110 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.1

Radius: 9.6

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.81 AU - 6.67 AU

Year: 5968 Days

Day: 14.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,653,268 km

• M1: 125,213 km (0.11 R)
• M2: 439,967 km (0.059 R)
• M3: 949,647 km (0.118 R)
• M4: 1,404,574 km (0.08 R)
• M5: 1,986,211 km (0.03 R)
• M6: 2,684,235 km (0.052 R)
• M7: 3,131,383 km (0.075 R)
• M8: 3,788,865 km (0.064 R)
• M9: 4,200,708 km (0.063 R)
• M10: 5,437,135 km (0.101 R)
• M11: 7,368,892 km (0.057 R)
• M12: 8,611,302 km (0.042 R)
• M13: 9,898,143 km (0.106 R)
• M14: 10,729,309 km (0.104 R)
• M15: 11,407,286 km (0.105 R)
• M16: 15,903,899 km (0.116 R)
• M17: 16,657,424 km (0.101 R)
• M18: 17,566,380 km (0.083 R)
• M19: 18,235,532 km (0.098 R)
• M20: 18,852,324 km (0.086 R)
• M21: 25,806,680 km (0.095 R)
• M22: 26,671,505 km (0.067 R)
• M23: 27,734,697 km (0.095 R)
• M24: 30,515,871 km (0.112 R)
• M25: 30,996,828 km (0.078 R)
• M26: 32,569,850 km (0.092 R)
• M27: 33,274,456 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.9

Radius: 5.3

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 14.33 AU - 18.57 AU

Year: 25546 Days

Day: 20.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,653,268 km

• M1: 65,973 km (0.098 R)
• M2: 241,601 km (0.09 R)
• M3: 713,432 km (0.074 R)
• M4: 1,959,283 km (0.107 R)
• M5: 2,261,920 km (0.053 R)
• M6: 3,645,251 km (0.103 R)
• M7: 5,474,833 km (0.103 R)
• M8: 6,988,315 km (0.119 R)
• M9: 13,233,577 km (0.087 R)
• M10: 14,458,335 km (0.085 R)
• M11: 17,465,551 km (0.066 R)
• M12: 19,474,651 km (0.076 R)
• M13: 28,701,099 km (0.038 R)
• M14: 39,442,526 km (0.114 R)
• M15: 40,615,074 km (0.037 R)
• M16: 43,337,606 km (0.074 R)
• M17: 45,377,821 km (0.097 R)
• M18: 45,697,362 km (0.106 R)
• M19: 46,340,783 km (0.061 R)
• M20: 52,581,707 km (0.118 R)
• M21: 53,110,984 km (0.089 R)
• M22: 53,465,830 km (0.104 R)
• M23: 54,180,160 km (0.059 R)
• M24: 56,177,441 km (0.053 R)
• M25: 59,550,724 km (0.114 R)
• M26: 60,511,142 km (0.032 R)
• M27: 60,704,572 km (0.069 R)
• M28: 68,150,656 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.1

Radius: 4.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 15.26 AU - 20.64 AU

Year: 29118 Days

Day: 23.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,653,268 km

• M1: 59,989 km (0.082 R)
• M2: 448,195 km (0.103 R)
• M3: 624,122 km (0.08 R)
• M4: 1,041,800 km (0.059 R)
• M5: 1,750,295 km (0.093 R)
• M6: 3,563,720 km (0.072 R)
• M7: 3,882,214 km (0.055 R)
• M8: 9,071,914 km (0.083 R)
• M9: 10,764,016 km (0.066 R)
• M10: 11,886,000 km (0.042 R)
• M11: 14,960,236 km (0.083 R)
• M12: 17,008,680 km (0.049 R)
• M13: 18,997,733 km (0.105 R)
• M14: 19,558,575 km (0.106 R)
• M15: 29,453,726 km (0.067 R)
• M16: 30,748,795 km (0.111 R)
• M17: 42,503,448 km (0.074 R)
• M18: 44,015,882 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 12,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit