🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 14.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.39 AU - 1.79 AU

Year: 1384 Days

Day: 11.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,222,202 km

• M1: 184,305 km (0.087 R)
• M2: 726,148 km (0.093 R)
• M3: 1,281,306 km (0.093 R)
• M4: 2,092,874 km (0.095 R)
• M5: 2,642,646 km (0.099 R)
• M6: 3,274,099 km (0.053 R)
• M7: 4,039,442 km (0.107 R)
• M8: 4,670,745 km (0.097 R)
• M9: 5,181,921 km (0.107 R)
• M10: 5,796,319 km (0.038 R)
• M11: 6,650,673 km (0.083 R)
• M12: 7,429,928 km (0.095 R)
• M13: 8,496,112 km (0.115 R)
• M14: 9,171,247 km (0.054 R)
• M15: 10,041,458 km (0.116 R)
• M16: 11,625,251 km (0.116 R)
• M17: 12,421,560 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 13.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.57 AU - 1.89 AU

Year: 1571 Days

Day: 9.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,222,202 km

• M1: 164,109 km (0.112 R)
• M2: 595,250 km (0.07 R)
• M3: 1,185,862 km (0.094 R)
• M4: 2,116,062 km (0.09 R)
• M5: 2,594,326 km (0.072 R)
• M6: 5,078,848 km (0.09 R)
• M7: 5,596,756 km (0.039 R)
• M8: 6,666,829 km (0.118 R)
• M9: 7,923,002 km (0.059 R)
• M10: 8,450,634 km (0.053 R)
• M11: 8,883,570 km (0.084 R)
• M12: 9,484,056 km (0.034 R)
• M13: 10,337,512 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.8

Radius: 10.3

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.67 AU - 2.49 AU

Year: 2071 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,222,202 km

• M1: 128,355 km (0.039 R)
• M2: 466,895 km (0.062 R)
• M3: 791,223 km (0.051 R)
• M4: 1,364,482 km (0.045 R)
• M5: 1,795,773 km (0.095 R)
• M6: 2,198,490 km (0.041 R)
• M7: 2,581,910 km (0.073 R)
• M8: 3,083,362 km (0.108 R)
• M9: 5,028,732 km (0.071 R)
• M10: 6,528,750 km (0.078 R)
• M11: 7,654,325 km (0.11 R)
• M12: 8,133,337 km (0.044 R)
• M13: 9,058,450 km (0.09 R)
• M14: 9,434,839 km (0.1 R)
• M15: 10,905,386 km (0.082 R)
• M16: 12,600,329 km (0.107 R)
• M17: 13,189,147 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.4

Radius: 12.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.69 AU - 4.41 AU

Year: 5626 Days

Day: 11.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,222,202 km

• M1: 150,495 km (0.111 R)
• M2: 537,505 km (0.093 R)
• M3: 1,117,197 km (0.072 R)
• M4: 1,668,465 km (0.053 R)
• M5: 2,158,697 km (0.094 R)
• M6: 3,498,496 km (0.077 R)
• M7: 4,910,550 km (0.108 R)
• M8: 6,277,426 km (0.116 R)
• M9: 6,773,941 km (0.086 R)
• M10: 7,549,756 km (0.092 R)
• M11: 8,782,741 km (0.089 R)
• M12: 9,404,919 km (0.104 R)
• M13: 18,458,881 km (0.075 R)
• M14: 20,396,622 km (0.065 R)
• M15: 21,120,527 km (0.079 R)
• M16: 21,936,433 km (0.095 R)
• M17: 22,773,433 km (0.115 R)
• M18: 26,165,565 km (0.115 R)
• M19: 29,788,676 km (0.078 R)
• M20: 30,720,671 km (0.071 R)
• M21: 31,575,922 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625

Radius: 5

Gravity: 25 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.66 AU - 8.4 AU

Year: 14263 Days

Day: 23.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,222,202 km

• M1: 62,682 km (0.037 R)
• M2: 298,747 km (0.073 R)
• M3: 816,206 km (0.086 R)
• M4: 1,108,371 km (0.118 R)
• M5: 1,557,613 km (0.113 R)
• M6: 1,990,400 km (0.111 R)
• M7: 2,900,104 km (0.116 R)
• M8: 3,215,307 km (0.072 R)
• M9: 4,298,545 km (0.083 R)
• M10: 8,528,575 km (0.045 R)
• M11: 10,959,839 km (0.104 R)
• M12: 14,222,718 km (0.063 R)
• M13: 16,750,174 km (0.105 R)
• M14: 17,289,176 km (0.089 R)
• M15: 18,079,351 km (0.073 R)
• M16: 19,393,120 km (0.113 R)
• M17: 21,934,489 km (0.102 R)
• M18: 22,672,754 km (0.074 R)
• M19: 24,004,325 km (0.082 R)
• M20: 24,296,190 km (0.066 R)
• M21: 25,791,720 km (0.116 R)
• M22: 48,471,206 km (0.107 R)
• M23: 54,939,220 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.6

Radius: 6.7

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.91 AU - 8.91 AU

Year: 15356 Days

Day: 15.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,222,202 km

• M1: 84,672 km (0.111 R)
• M2: 494,870 km (0.092 R)
• M3: 763,398 km (0.091 R)
• M4: 1,128,866 km (0.068 R)
• M5: 2,619,010 km (0.086 R)
• M6: 3,052,245 km (0.072 R)
• M7: 3,888,497 km (0.027 R)
• M8: 4,119,776 km (0.076 R)
• M9: 4,483,747 km (0.112 R)
• M10: 4,902,023 km (0.119 R)
• M11: 5,853,765 km (0.12 R)
• M12: 6,158,047 km (0.077 R)
• M13: 6,433,008 km (0.1 R)
• M14: 7,307,108 km (0.085 R)
• M15: 10,184,473 km (0.1 R)
• M16: 12,767,281 km (0.098 R)
• M17: 14,620,798 km (0.109 R)
• M18: 16,722,200 km (0.118 R)
• M19: 20,368,797 km (0.101 R)
• M20: 21,068,167 km (0.076 R)
• M21: 24,807,366 km (0.088 R)
• M22: 30,074,258 km (0.064 R)
• M23: 42,325,426 km (0.11 R)
• M24: 45,948,388 km (0.093 R)
• M25: 57,874,031 km (0.067 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 16,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit