🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.5 AU - 0.58 AU

Year: 146 Days

Day: 42.3 Hours

Environment

Temp: 180 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.54 AU - 0.64 AU

Year: 166 Days

Day: 22.8 Hours

Environment

Temp: 193 °C

Axial Tilt: 44.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,519,708 km

• M1: 203,603 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.8 AU - 1.18 AU

Year: 362 Days

Day: 25.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 33.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.97 AU - 1.13 AU

Year: 395 Days

Day: 24.3 Hours

Environment

Temp: 34 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,519,708 km

• M1: 100,081 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.6 AU - 2.3 AU

Year: 1000 Days

Day: 33.7 Hours

Environment

Temp: -71 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.7

Radius: 8.8

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.8 AU - 12.12 AU

Year: 13320 Days

Day: 6.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,519,708 km

• M1: 113,844 km (0.107 R)
• M2: 537,206 km (0.074 R)
• M3: 882,627 km (0.092 R)
• M4: 1,164,619 km (0.066 R)
• M5: 2,465,672 km (0.117 R)
• M6: 2,965,778 km (0.103 R)
• M7: 3,397,368 km (0.104 R)
• M8: 3,783,929 km (0.081 R)
• M9: 4,261,295 km (0.099 R)
• M10: 4,612,402 km (0.076 R)
• M11: 5,821,751 km (0.063 R)
• M12: 8,013,958 km (0.083 R)
• M13: 9,110,810 km (0.043 R)
• M14: 11,722,639 km (0.101 R)
• M15: 14,227,057 km (0.117 R)
• M16: 15,380,905 km (0.119 R)
• M17: 19,130,277 km (0.061 R)
• M18: 19,824,111 km (0.039 R)
• M19: 25,675,931 km (0.079 R)
• M20: 26,948,710 km (0.092 R)
• M21: 28,151,926 km (0.041 R)
• M22: 28,486,127 km (0.111 R)
• M23: 30,900,787 km (0.102 R)
• M24: 32,706,882 km (0.081 R)
• M25: 39,512,687 km (0.098 R)
• M26: 42,655,888 km (0.118 R)
• M27: 46,892,350 km (0.101 R)
• M28: 47,205,309 km (0.11 R)
• M29: 48,470,907 km (0.103 R)
• M30: 50,411,640 km (0.113 R)
• M31: 53,079,120 km (0.104 R)
• M32: 55,839,200 km (0.119 R)
• M33: 62,207,731 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.5

Radius: 7.4

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 11.23 AU - 15.61 AU

Year: 18047 Days

Day: 21.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,519,708 km

• M1: 92,003 km (0.062 R)
• M2: 445,502 km (0.093 R)
• M3: 2,000,872 km (0.112 R)
• M4: 2,430,517 km (0.086 R)
• M5: 2,995,099 km (0.117 R)
• M6: 3,418,162 km (0.076 R)
• M7: 4,033,009 km (0.05 R)
• M8: 4,285,829 km (0.097 R)
• M9: 6,448,865 km (0.106 R)
• M10: 7,109,040 km (0.116 R)
• M11: 8,107,756 km (0.049 R)
• M12: 10,439,687 km (0.115 R)
• M13: 12,112,940 km (0.111 R)
• M14: 20,695,968 km (0.051 R)
• M15: 23,723,380 km (0.097 R)
• M16: 30,277,263 km (0.074 R)
• M17: 43,356,604 km (0.051 R)
• M18: 51,459,424 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.9

Radius: 3.3

Gravity: 57.84 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 14.28 AU - 14.28 AU

Year: 19809 Days

Day: 16.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,519,708 km

• M1: 84,523 km (0.086 R)
• M2: 365,168 km (0.07 R)
• M3: 1,069,625 km (0.103 R)
• M4: 1,408,464 km (0.071 R)
• M5: 1,814,622 km (0.116 R)
• M6: 2,044,853 km (0.119 R)
• M7: 2,540,172 km (0.088 R)
• M8: 2,853,280 km (0.08 R)
• M9: 3,245,825 km (0.082 R)
• M10: 3,356,228 km (0.08 R)
• M11: 3,469,324 km (0.107 R)
• M12: 4,234,218 km (0.118 R)
• M13: 4,743,748 km (0.077 R)
• M14: 5,602,440 km (0.068 R)
• M15: 6,173,156 km (0.104 R)
• M16: 6,871,629 km (0.096 R)
• M17: 8,066,018 km (0.057 R)
• M18: 9,007,138 km (0.036 R)
• M19: 10,254,036 km (0.055 R)
• M20: 12,265,978 km (0.093 R)
• M21: 14,082,994 km (0.088 R)
• M22: 14,303,651 km (0.078 R)
• M23: 14,751,547 km (0.084 R)
• M24: 15,597,074 km (0.082 R)
• M25: 17,637,888 km (0.087 R)
• M26: 20,127,197 km (0.068 R)
• M27: 22,840,603 km (0.108 R)
• M28: 29,816,352 km (0.108 R)
• M29: 31,288,544 km (0.034 R)
• M30: 33,325,768 km (0.085 R)
• M31: 44,374,468 km (0.088 R)
• M32: 48,929,275 km (0.116 R)
• M33: 50,114,688 km (0.082 R)
• M34: 53,607,051 km (0.095 R)
• M35: 59,144,117 km (0.056 R)
• M36: 62,444,844 km (0.097 R)
• M37: 70,476,604 km (0.098 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: 269 - 13,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit