🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.52 AU - 0.62 AU

Year: 278 Days

Day: 32.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,480,950 km

• M1: 32,463 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.1

Radius: 13.2

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.9 AU - 1.22 AU

Year: 705 Days

Day: 13.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,480,950 km

• M1: 164,857 km (0.08 R)
• M2: 642,074 km (0.106 R)
• M3: 1,210,396 km (0.055 R)
• M4: 2,773,395 km (0.114 R)
• M5: 3,290,256 km (0.119 R)
• M6: 3,897,025 km (0.12 R)
• M7: 4,407,153 km (0.1 R)
• M8: 5,115,499 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.9

Radius: 9.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.19 AU - 3.03 AU

Year: 2723 Days

Day: 12.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,480,950 km

• M1: 119,379 km (0.088 R)
• M2: 465,549 km (0.073 R)
• M3: 802,443 km (0.086 R)
• M4: 1,259,315 km (0.047 R)
• M5: 2,238,134 km (0.101 R)
• M6: 2,676,904 km (0.088 R)
• M7: 3,096,078 km (0.055 R)
• M8: 4,662,517 km (0.03 R)
• M9: 5,885,779 km (0.095 R)
• M10: 6,271,741 km (0.072 R)
• M11: 7,283,621 km (0.117 R)
• M12: 8,251,669 km (0.095 R)
• M13: 11,483,581 km (0.111 R)
• M14: 12,593,747 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.8

Radius: 9

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.42 AU - 4.16 AU

Year: 4764 Days

Day: 7.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,480,950 km

• M1: 112,498 km (0.1 R)
• M2: 611,556 km (0.105 R)
• M3: 1,219,971 km (0.097 R)
• M4: 1,554,771 km (0.078 R)
• M5: 1,839,156 km (0.066 R)
• M6: 2,220,631 km (0.108 R)
• M7: 2,636,812 km (0.104 R)
• M8: 2,968,171 km (0.098 R)
• M9: 3,496,252 km (0.082 R)
• M10: 4,133,539 km (0.097 R)
• M11: 6,449,015 km (0.119 R)
• M12: 7,442,494 km (0.062 R)
• M13: 10,572,082 km (0.105 R)
• M14: 11,175,410 km (0.102 R)
• M15: 12,966,246 km (0.073 R)
• M16: 13,442,266 km (0.05 R)
• M17: 15,346,647 km (0.118 R)
• M18: 15,759,836 km (0.093 R)
• M19: 16,302,278 km (0.086 R)
• M20: 17,107,414 km (0.117 R)
• M21: 18,596,661 km (0.089 R)
• M22: 19,544,513 km (0.103 R)
• M23: 21,757,215 km (0.115 R)
• M24: 23,581,112 km (0.111 R)
• M25: 24,530,311 km (0.066 R)
• M26: 27,271,841 km (0.078 R)
• M27: 27,878,610 km (0.075 R)
• M28: 28,317,531 km (0.06 R)
• M29: 30,674,445 km (0.096 R)
• M30: 31,900,549 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.4

Radius: 4.7

Gravity: 22.38 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.43 AU - 8.79 AU

Year: 13555 Days

Day: 20.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,480,950 km

• M1: 66,272 km (0.112 R)
• M2: 246,836 km (0.04 R)
• M3: 442,511 km (0.099 R)
• M4: 723,904 km (0.068 R)
• M5: 1,015,321 km (0.104 R)
• M6: 1,521,710 km (0.088 R)
• M7: 2,944,834 km (0.12 R)
• M8: 3,154,869 km (0.119 R)
• M9: 3,527,069 km (0.089 R)
• M10: 3,845,413 km (0.1 R)
• M11: 4,388,304 km (0.098 R)
• M12: 5,554,719 km (0.088 R)
• M13: 6,477,289 km (0.107 R)
• M14: 6,833,032 km (0.106 R)
• M15: 8,954,181 km (0.089 R)
• M16: 11,534,594 km (0.081 R)
• M17: 11,707,081 km (0.1 R)
• M18: 14,840,408 km (0.05 R)
• M19: 15,250,456 km (0.096 R)
• M20: 16,744,789 km (0.087 R)
• M21: 17,040,095 km (0.12 R)
• M22: 17,263,893 km (0.106 R)
• M23: 17,946,957 km (0.065 R)
• M24: 21,985,053 km (0.112 R)
• M25: 23,424,334 km (0.041 R)
• M26: 30,463,362 km (0.101 R)
• M27: 32,135,567 km (0.086 R)
• M28: 32,821,324 km (0.091 R)
• M29: 35,057,064 km (0.092 R)
• M30: 40,091,781 km (0.111 R)
• M31: 45,444,243 km (0.067 R)
• M32: 48,365,141 km (0.035 R)
• M33: 49,871,442 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.4

Radius: 4

Gravity: 59.21 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.22 AU - 9.18 AU

Year: 15161 Days

Day: 18 Hours

Environment

Temp: -217 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,480,950 km

• M1: 68,217 km (0.104 R)
• M2: 302,038 km (0.078 R)
• M3: 540,497 km (0.069 R)
• M4: 1,345,633 km (0.046 R)
• M5: 1,697,337 km (0.092 R)
• M6: 2,745,271 km (0.066 R)
• M7: 4,390,398 km (0.097 R)
• M8: 4,693,932 km (0.109 R)
• M9: 6,816,277 km (0.085 R)
• M10: 7,315,485 km (0.081 R)
• M11: 8,906,608 km (0.073 R)
• M12: 9,392,502 km (0.033 R)
• M13: 10,956,249 km (0.053 R)
• M14: 13,161,920 km (0.116 R)
• M15: 14,960,685 km (0.038 R)
• M16: 16,673,580 km (0.066 R)
• M17: 22,097,999 km (0.045 R)
• M18: 29,644,164 km (0.092 R)
• M19: 31,089,579 km (0.089 R)
• M20: 34,512,079 km (0.037 R)
• M21: 34,775,072 km (0.111 R)
• M22: 36,110,532 km (0.104 R)
• M23: 39,454,344 km (0.101 R)
• M24: 49,035,040 km (0.101 R)
• M25: 53,124,597 km (0.052 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 16,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit