🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.1

Radius: 11.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.77 AU - 2.29 AU

Year: 2033 Days

Day: 10 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,401,701 km

• M1: 151,393 km (0.101 R)
• M2: 575,353 km (0.086 R)
• M3: 1,273,975 km (0.089 R)
• M4: 1,674,599 km (0.091 R)
• M5: 2,051,585 km (0.069 R)
• M6: 2,535,385 km (0.038 R)
• M7: 2,940,795 km (0.057 R)
• M8: 3,344,111 km (0.082 R)
• M9: 4,668,351 km (0.108 R)
• M10: 5,098,744 km (0.11 R)
• M11: 5,491,588 km (0.1 R)
• M12: 6,130,670 km (0.117 R)
• M13: 7,531,056 km (0.08 R)
• M14: 8,208,585 km (0.1 R)
• M15: 10,258,076 km (0.054 R)
• M16: 11,401,751 km (0.04 R)
• M17: 12,332,250 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.4

Radius: 11.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.94 AU - 2.66 AU

Year: 2452 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,401,701 km

• M1: 140,772 km (0.114 R)
• M2: 489,783 km (0.099 R)
• M3: 868,565 km (0.12 R)
• M4: 1,284,747 km (0.106 R)
• M5: 2,189,514 km (0.075 R)
• M6: 2,537,629 km (0.106 R)
• M7: 3,010,657 km (0.111 R)
• M8: 5,084,981 km (0.088 R)
• M9: 5,679,782 km (0.028 R)
• M10: 6,544,458 km (0.103 R)
• M11: 7,916,869 km (0.072 R)
• M12: 8,266,030 km (0.095 R)
• M13: 9,570,075 km (0.086 R)
• M14: 10,792,888 km (0.07 R)
• M15: 14,047,689 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.1

Radius: 13.9

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.24 AU - 3.6 AU

Year: 3507 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,401,701 km

• M1: 172,935 km (0.117 R)
• M2: 645,216 km (0.104 R)
• M3: 1,519,316 km (0.041 R)
• M4: 3,468,127 km (0.091 R)
• M5: 6,969,166 km (0.102 R)
• M6: 7,842,369 km (0.114 R)
• M7: 8,407,400 km (0.069 R)
• M8: 10,742,473 km (0.102 R)
• M9: 12,477,360 km (0.101 R)
• M10: 14,343,444 km (0.109 R)
• M11: 15,445,831 km (0.112 R)
• M12: 16,017,893 km (0.1 R)
• M13: 18,798,319 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.9

Radius: 5.2

Gravity: 22.41 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.47 AU - 6.47 AU

Year: 8993 Days

Day: 17.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,401,701 km

• M1: 64,626 km (0.095 R)
• M2: 267,631 km (0.094 R)
• M3: 733,478 km (0.1 R)
• M4: 916,586 km (0.096 R)
• M5: 1,119,441 km (0.076 R)
• M6: 1,428,211 km (0.118 R)
• M7: 1,884,185 km (0.062 R)
• M8: 2,584,154 km (0.093 R)
• M9: 3,014,696 km (0.102 R)
• M10: 3,515,550 km (0.084 R)
• M11: 3,939,211 km (0.105 R)
• M12: 4,768,881 km (0.099 R)
• M13: 5,479,471 km (0.089 R)
• M14: 5,809,633 km (0.118 R)
• M15: 9,080,890 km (0.092 R)
• M16: 21,652,646 km (0.039 R)
• M17: 22,727,806 km (0.117 R)
• M18: 24,186,685 km (0.078 R)
• M19: 29,233,668 km (0.111 R)
• M20: 32,961,946 km (0.114 R)
• M21: 34,382,677 km (0.119 R)
• M22: 36,531,650 km (0.096 R)
• M23: 36,995,105 km (0.037 R)
• M24: 37,815,799 km (0.104 R)
• M25: 39,250,741 km (0.06 R)
• M26: 39,615,012 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.5

Radius: 7.3

Gravity: 17.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.76 AU - 6.96 AU

Year: 11274 Days

Day: 23.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,401,701 km

• M1: 90,806 km (0.12 R)
• M2: 338,989 km (0.095 R)
• M3: 629,209 km (0.085 R)
• M4: 863,479 km (0.051 R)
• M5: 1,322,146 km (0.072 R)
• M6: 2,040,066 km (0.074 R)
• M7: 2,323,554 km (0.084 R)
• M8: 3,285,468 km (0.064 R)
• M9: 4,428,546 km (0.112 R)
• M10: 5,816,066 km (0.064 R)
• M11: 6,194,249 km (0.109 R)
• M12: 6,916,209 km (0.04 R)
• M13: 8,817,747 km (0.113 R)
• M14: 9,065,182 km (0.068 R)
• M15: 12,041,731 km (0.029 R)
• M16: 13,356,846 km (0.12 R)
• M17: 15,255,841 km (0.104 R)
• M18: 18,999,977 km (0.088 R)
• M19: 26,357,200 km (0.104 R)
• M20: 31,459,535 km (0.08 R)
• M21: 33,817,197 km (0.054 R)
• M22: 39,681,583 km (0.098 R)
• M23: 44,718,095 km (0.072 R)
• M24: 45,744,486 km (0.077 R)
• M25: 47,692,250 km (0.041 R)
• M26: 48,609,734 km (0.062 R)
• M27: 56,206,613 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 20,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit