🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

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: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.58 AU - 0.58 AU

Year: 285 Days

Day: 19.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.4

Radius: 10.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.5 AU - 1.66 AU

Year: 1282 Days

Day: 9.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,435,745 km

• M1: 131,796 km (0.11 R)
• M2: 477,816 km (0.045 R)
• M3: 908,657 km (0.049 R)
• M4: 1,616,704 km (0.092 R)
• M5: 2,576,375 km (0.068 R)
• M6: 3,452,420 km (0.082 R)
• M7: 3,785,275 km (0.089 R)
• M8: 4,223,148 km (0.101 R)
• M9: 5,418,136 km (0.038 R)
• M10: 6,213,996 km (0.085 R)
• M11: 7,501,735 km (0.077 R)
• M12: 9,770,237 km (0.112 R)
• M13: 10,132,413 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.5

Radius: 13.6

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.55 AU - 3.85 AU

Year: 4595 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,435,745 km

• M1: 169,195 km (0.109 R)
• M2: 676,930 km (0.093 R)
• M3: 1,614,759 km (0.073 R)
• M4: 3,595,585 km (0.082 R)
• M5: 6,597,416 km (0.101 R)
• M6: 8,483,097 km (0.034 R)
• M7: 9,036,310 km (0.104 R)
• M8: 10,933,660 km (0.1 R)
• M9: 11,494,352 km (0.12 R)
• M10: 12,622,769 km (0.083 R)
• M11: 14,259,071 km (0.052 R)
• M12: 14,985,817 km (0.112 R)
• M13: 15,445,083 km (0.105 R)
• M14: 16,092,243 km (0.118 R)
• M15: 17,757,267 km (0.099 R)
• M16: 18,598,755 km (0.065 R)
• M17: 21,211,482 km (0.047 R)
• M18: 22,906,875 km (0.111 R)
• M19: 24,690,979 km (0.054 R)
• M20: 26,985,960 km (0.113 R)
• M21: 29,509,377 km (0.089 R)
• M22: 30,598,150 km (0.097 R)
• M23: 31,152,560 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.8

Radius: 7.4

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.22 AU - 7.68 AU

Year: 10577 Days

Day: 17.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,435,745 km

• M1: 123,418 km (0.079 R)
• M2: 457,021 km (0.114 R)
• M3: 696,079 km (0.064 R)
• M4: 970,591 km (0.084 R)
• M5: 1,473,539 km (0.074 R)
• M6: 2,569,942 km (0.082 R)
• M7: 2,838,171 km (0.09 R)
• M8: 3,125,100 km (0.091 R)
• M9: 4,770,078 km (0.092 R)
• M10: 5,372,658 km (0.109 R)
• M11: 5,675,294 km (0.096 R)
• M12: 7,001,480 km (0.115 R)
• M13: 8,888,357 km (0.084 R)
• M14: 9,217,024 km (0.062 R)
• M15: 9,651,456 km (0.109 R)
• M16: 11,416,861 km (0.1 R)
• M17: 11,918,163 km (0.099 R)
• M18: 17,839,995 km (0.107 R)
• M19: 18,363,438 km (0.099 R)
• M20: 18,667,122 km (0.096 R)
• M21: 19,362,602 km (0.088 R)
• M22: 23,013,688 km (0.11 R)
• M23: 24,815,444 km (0.115 R)
• M24: 25,467,691 km (0.076 R)
• M25: 30,356,998 km (0.04 R)
• M26: 32,631,484 km (0.097 R)
• M27: 34,900,884 km (0.078 R)
• M28: 37,882,968 km (0.058 R)
• M29: 39,372,813 km (0.096 R)
• M30: 43,941,083 km (0.063 R)
• M31: 46,986,447 km (0.114 R)
• M32: 47,270,085 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164

Radius: 5.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.76 AU - 12.88 AU

Year: 21406 Days

Day: 19 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,435,745 km

• M1: 71,209 km (0.051 R)
• M2: 276,906 km (0.086 R)
• M3: 1,570,179 km (0.115 R)
• M4: 1,943,426 km (0.064 R)
• M5: 3,021,727 km (0.104 R)
• M6: 3,914,228 km (0.102 R)
• M7: 4,599,387 km (0.095 R)
• M8: 5,986,009 km (0.106 R)
• M9: 8,150,242 km (0.112 R)
• M10: 9,309,475 km (0.099 R)
• M11: 9,752,435 km (0.099 R)
• M12: 10,680,540 km (0.112 R)
• M13: 12,180,857 km (0.103 R)
• M14: 15,388,235 km (0.103 R)
• M15: 17,295,010 km (0.105 R)
• M16: 17,516,115 km (0.057 R)
• M17: 18,882,692 km (0.067 R)
• M18: 23,317,371 km (0.11 R)
• M19: 25,726,645 km (0.091 R)
• M20: 26,305,439 km (0.109 R)
• M21: 26,696,039 km (0.081 R)
• M22: 31,033,629 km (0.066 R)
• M23: 31,909,824 km (0.069 R)
• M24: 33,255,008 km (0.078 R)
• M25: 38,762,005 km (0.037 R)
• M26: 39,777,924 km (0.029 R)
• M27: 40,811,346 km (0.073 R)
• M28: 42,528,879 km (0.108 R)
• M29: 48,260,423 km (0.092 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 15,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit