🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.53 AU - 0.63 AU

Year: 290 Days

Day: 35.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 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

Orbit Range: 0.59 AU - 0.59 AU

Year: 297 Days

Day: 25 Hours

Environment

Temp: -122 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.3

Radius: 14.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.85 AU - 1.17 AU

Year: 666 Days

Day: 6.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,137,151 km

• M1: 182,809 km (0.083 R)
• M2: 765,492 km (0.077 R)
• M3: 1,509,891 km (0.104 R)
• M4: 2,186,074 km (0.085 R)
• M5: 2,990,312 km (0.118 R)
• M6: 3,552,800 km (0.087 R)
• M7: 4,332,953 km (0.111 R)
• M8: 4,958,421 km (0.086 R)
• M9: 5,431,749 km (0.073 R)
• M10: 6,237,034 km (0.116 R)
• M11: 6,871,778 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 12.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.23 AU - 1.63 AU

Year: 1122 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,137,151 km

• M1: 156,629 km (0.062 R)
• M2: 653,294 km (0.061 R)
• M3: 1,112,260 km (0.088 R)
• M4: 1,651,261 km (0.09 R)
• M5: 2,128,479 km (0.093 R)
• M6: 4,178,119 km (0.082 R)
• M7: 6,339,359 km (0.075 R)
• M8: 7,501,585 km (0.102 R)
• M9: 8,801,142 km (0.112 R)
• M10: 9,418,383 km (0.086 R)

Asteroid Belt

Center: 2.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.9

Radius: 10.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.81 AU - 3.05 AU

Year: 3290 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,137,151 km

• M1: 129,402 km (0.045 R)
• M2: 556,654 km (0.105 R)
• M3: 1,178,532 km (0.083 R)
• M4: 1,806,095 km (0.118 R)
• M5: 2,246,511 km (0.101 R)
• M6: 2,686,479 km (0.085 R)
• M7: 4,646,959 km (0.111 R)
• M8: 5,052,219 km (0.1 R)
• M9: 5,692,498 km (0.072 R)
• M10: 6,568,095 km (0.083 R)
• M11: 7,559,928 km (0.111 R)
• M12: 7,971,622 km (0.113 R)
• M13: 8,460,358 km (0.088 R)
• M14: 10,727,514 km (0.113 R)
• M15: 12,501,146 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.7

Radius: 5.6

Gravity: 22.66 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.35 AU - 6.67 AU

Year: 10896 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,137,151 km

• M1: 70,311 km (0.078 R)
• M2: 677,828 km (0.062 R)
• M3: 1,220,419 km (0.04 R)
• M4: 1,441,226 km (0.07 R)
• M5: 1,897,051 km (0.086 R)
• M6: 2,503,820 km (0.056 R)
• M7: 2,754,097 km (0.093 R)
• M8: 4,120,973 km (0.09 R)
• M9: 4,714,427 km (0.046 R)
• M10: 5,397,192 km (0.09 R)
• M11: 6,106,585 km (0.099 R)
• M12: 6,639,004 km (0.055 R)
• M13: 7,078,522 km (0.081 R)
• M14: 7,368,294 km (0.104 R)
• M15: 8,606,964 km (0.096 R)
• M16: 8,841,833 km (0.091 R)
• M17: 11,153,269 km (0.108 R)
• M18: 11,889,440 km (0.1 R)
• M19: 17,745,599 km (0.026 R)
• M20: 20,527,670 km (0.037 R)
• M21: 22,153,350 km (0.052 R)
• M22: 26,937,640 km (0.061 R)
• M23: 27,745,618 km (0.109 R)
• M24: 30,701,073 km (0.097 R)
• M25: 34,800,354 km (0.088 R)
• M26: 36,122,201 km (0.084 R)
• M27: 37,726,937 km (0.066 R)
• M28: 38,103,924 km (0.082 R)
• M29: 38,610,612 km (0.067 R)
• M30: 41,477,206 km (0.08 R)
• M31: 45,044,068 km (0.05 R)
• M32: 47,923,229 km (0.103 R)
• M33: 49,257,792 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.9

Radius: 6.8

Gravity: 16.43 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.67 AU - 10.71 AU

Year: 16805 Days

Day: 20 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,137,151 km

• M1: 85,720 km (0.12 R)
• M2: 628,311 km (0.119 R)
• M3: 1,689,259 km (0.085 R)
• M4: 1,957,189 km (0.073 R)
• M5: 2,813,637 km (0.08 R)
• M6: 3,245,227 km (0.064 R)
• M7: 4,051,110 km (0.086 R)
• M8: 4,877,489 km (0.109 R)
• M9: 5,091,414 km (0.101 R)
• M10: 8,275,754 km (0.111 R)
• M11: 10,632,369 km (0.07 R)
• M12: 11,054,086 km (0.11 R)
• M13: 12,125,207 km (0.105 R)
• M14: 13,126,166 km (0.069 R)
• M15: 13,823,442 km (0.103 R)
• M16: 14,037,367 km (0.102 R)
• M17: 15,751,758 km (0.107 R)
• M18: 18,707,812 km (0.106 R)
• M19: 19,950,970 km (0.107 R)
• M20: 20,872,045 km (0.084 R)
• M21: 21,248,283 km (0.073 R)
• M22: 23,907,236 km (0.059 R)
• M23: 26,014,322 km (0.119 R)
• M24: 27,673,512 km (0.039 R)
• M25: 30,473,236 km (0.104 R)
• M26: 30,714,687 km (0.051 R)
• M27: 32,566,858 km (0.103 R)
• M28: 39,850,928 km (0.071 R)
• M29: 41,753,514 km (0.075 R)
• M30: 42,350,858 km (0.055 R)
• M31: 44,797,531 km (0.102 R)
• M32: 49,137,216 km (0.115 R)
• M33: 50,643,966 km (0.032 R)
• M34: 51,323,289 km (0.109 R)
• M35: 52,353,720 km (0.047 R)
• M36: 54,990,232 km (0.104 R)
• M37: 61,099,211 km (0.06 R)
• M38: 65,413,913 km (0.118 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 19,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit