🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.7

Radius: 14.2

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.83 AU - 0.97 AU

Year: 551 Days

Day: 11 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,745,696 km

• M1: 176,675 km (0.109 R)
• M2: 737,518 km (0.081 R)
• M3: 1,183,170 km (0.083 R)
• M4: 1,652,009 km (0.094 R)
• M5: 2,483,325 km (0.117 R)
• M6: 3,483,386 km (0.087 R)
• M7: 3,958,060 km (0.066 R)
• M8: 4,766,787 km (0.11 R)
• M9: 5,387,019 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.4

Radius: 9.4

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.95 AU - 1.45 AU

Year: 849 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,745,696 km

• M1: 118,033 km (0.063 R)
• M2: 418,724 km (0.083 R)
• M3: 724,054 km (0.118 R)
• M4: 1,098,198 km (0.07 R)
• M5: 1,995,486 km (0.116 R)
• M6: 2,833,832 km (0.107 R)
• M7: 3,239,392 km (0.118 R)
• M8: 4,120,823 km (0.082 R)
• M9: 4,575,451 km (0.057 R)
• M10: 5,859,898 km (0.091 R)
• M11: 6,847,843 km (0.095 R)
• M12: 8,857,840 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.5

Radius: 8.1

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.15 AU - 2.93 AU

Year: 2614 Days

Day: 6.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,745,696 km

• M1: 100,679 km (0.097 R)
• M2: 452,982 km (0.109 R)
• M3: 717,771 km (0.095 R)
• M4: 1,173,894 km (0.11 R)
• M5: 1,483,712 km (0.119 R)
• M6: 2,369,331 km (0.075 R)
• M7: 3,277,241 km (0.105 R)
• M8: 3,939,660 km (0.075 R)
• M9: 4,421,664 km (0.105 R)
• M10: 4,895,590 km (0.11 R)
• M11: 5,157,087 km (0.076 R)
• M12: 5,427,860 km (0.092 R)
• M13: 5,812,476 km (0.025 R)
• M14: 7,661,805 km (0.107 R)
• M15: 8,080,679 km (0.088 R)
• M16: 9,947,959 km (0.118 R)
• M17: 10,446,719 km (0.083 R)
• M18: 11,246,319 km (0.101 R)
• M19: 13,842,889 km (0.101 R)
• M20: 14,856,265 km (0.063 R)
• M21: 16,814,352 km (0.052 R)
• M22: 17,967,303 km (0.098 R)
• M23: 18,477,132 km (0.09 R)
• M24: 20,368,648 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.4

Radius: 14.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.87 AU - 4.93 AU

Year: 7003 Days

Day: 7.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,745,696 km

• M1: 181,911 km (0.063 R)
• M2: 1,050,027 km (0.049 R)
• M3: 4,829,618 km (0.057 R)
• M4: 5,630,864 km (0.113 R)
• M5: 6,395,758 km (0.112 R)
• M6: 7,162,297 km (0.079 R)
• M7: 8,575,848 km (0.102 R)
• M8: 9,112,306 km (0.112 R)
• M9: 14,461,028 km (0.081 R)
• M10: 15,954,314 km (0.056 R)
• M11: 18,731,897 km (0.1 R)
• M12: 19,835,481 km (0.063 R)
• M13: 22,315,365 km (0.111 R)
• M14: 25,462,156 km (0.07 R)
• M15: 26,654,451 km (0.116 R)
• M16: 27,717,643 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.8

Radius: 13.2

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.43 AU - 6.53 AU

Year: 8283 Days

Day: 10 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,745,696 km

• M1: 168,298 km (0.118 R)
• M2: 812,316 km (0.109 R)
• M3: 1,362,238 km (0.066 R)
• M4: 1,992,195 km (0.074 R)
• M5: 2,773,844 km (0.075 R)
• M6: 3,205,882 km (0.119 R)
• M7: 4,308,269 km (0.119 R)
• M8: 6,088,783 km (0.029 R)
• M9: 6,790,995 km (0.102 R)
• M10: 7,252,355 km (0.064 R)
• M11: 8,805,181 km (0.118 R)
• M12: 9,268,785 km (0.086 R)
• M13: 11,938,060 km (0.05 R)
• M14: 14,380,245 km (0.092 R)
• M15: 14,965,173 km (0.071 R)
• M16: 16,751,820 km (0.09 R)
• M17: 19,302,912 km (0.093 R)
• M18: 20,745,036 km (0.104 R)
• M19: 21,720,115 km (0.099 R)
• M20: 24,414,971 km (0.104 R)
• M21: 25,332,604 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.3

Radius: 5.9

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.44 AU - 11.06 AU

Year: 22758 Days

Day: 21.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,745,696 km

• M1: 73,602 km (0.104 R)
• M2: 425,307 km (0.119 R)
• M3: 882,927 km (0.089 R)
• M4: 1,295,518 km (0.055 R)
• M5: 1,625,830 km (0.085 R)
• M6: 1,900,192 km (0.093 R)
• M7: 2,205,222 km (0.09 R)
• M8: 2,520,275 km (0.032 R)
• M9: 3,454,065 km (0.071 R)
• M10: 4,151,640 km (0.058 R)
• M11: 5,553,971 km (0.035 R)
• M12: 7,519,238 km (0.083 R)
• M13: 8,381,370 km (0.06 R)
• M14: 11,483,282 km (0.09 R)
• M15: 11,981,144 km (0.105 R)
• M16: 16,261,139 km (0.079 R)
• M17: 18,191,999 km (0.107 R)
• M18: 20,722,895 km (0.11 R)
• M19: 20,997,408 km (0.034 R)
• M20: 26,043,344 km (0.081 R)
• M21: 29,938,274 km (0.067 R)
• M22: 33,697,668 km (0.11 R)
• M23: 37,083,667 km (0.069 R)
• M24: 43,021,206 km (0.08 R)
• M25: 44,674,861 km (0.067 R)
• M26: 47,471,294 km (0.03 R)
• M27: 57,093,429 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 16,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit