🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.48 AU - 0.62 AU

Year: 268 Days

Day: 46.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,294,597 km

• M1: 213,925 km (0.115 R)
• M2: 286,630 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.1

Radius: 10.6

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.76 AU - 0.92 AU

Year: 505 Days

Day: 13.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,294,597 km

• M1: 131,796 km (0.081 R)
• M2: 575,653 km (0.053 R)
• M3: 958,773 km (0.104 R)
• M4: 1,855,014 km (0.102 R)
• M5: 2,334,774 km (0.105 R)
• M6: 2,843,706 km (0.115 R)
• M7: 3,354,433 km (0.094 R)
• M8: 4,933,439 km (0.114 R)
• M9: 5,294,568 km (0.037 R)
• M10: 5,707,159 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 12.8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.93 AU - 1.33 AU

Year: 788 Days

Day: 11.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,294,597 km

• M1: 159,172 km (0.063 R)
• M2: 571,015 km (0.077 R)
• M3: 1,184,965 km (0.117 R)
• M4: 1,665,473 km (0.12 R)
• M5: 2,160,492 km (0.062 R)
• M6: 2,978,344 km (0.089 R)
• M7: 3,502,685 km (0.117 R)
• M8: 4,369,455 km (0.114 R)
• M9: 5,065,533 km (0.088 R)
• M10: 5,507,894 km (0.098 R)
• M11: 6,339,808 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.8

Radius: 14.3

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.71 AU - 2.25 AU

Year: 1828 Days

Day: 7 Hours

Environment

Temp: -186 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,294,597 km

• M1: 177,872 km (0.053 R)
• M2: 701,913 km (0.042 R)
• M3: 1,868,477 km (0.047 R)
• M4: 2,535,086 km (0.106 R)
• M5: 3,341,717 km (0.047 R)
• M6: 3,952,974 km (0.046 R)
• M7: 5,467,653 km (0.048 R)
• M8: 6,894,816 km (0.102 R)
• M9: 8,587,815 km (0.068 R)
• M10: 10,475,292 km (0.116 R)
• M11: 12,548,569 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 13.2

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.69 AU - 2.81 AU

Year: 2214 Days

Day: 10.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,294,597 km

• M1: 171,290 km (0.038 R)
• M2: 645,515 km (0.094 R)
• M3: 1,379,292 km (0.115 R)
• M4: 2,116,062 km (0.117 R)
• M5: 3,306,263 km (0.106 R)
• M6: 4,185,449 km (0.117 R)
• M7: 4,727,742 km (0.103 R)
• M8: 5,453,890 km (0.111 R)
• M9: 6,158,795 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.3

Radius: 4.4

Gravity: 21.61 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.77 AU - 7.53 AU

Year: 12542 Days

Day: 22.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,294,597 km

• M1: 54,753 km (0.089 R)
• M2: 248,183 km (0.066 R)
• M3: 524,191 km (0.114 R)
• M4: 732,581 km (0.118 R)
• M5: 1,230,891 km (0.099 R)
• M6: 1,706,463 km (0.088 R)
• M7: 1,961,078 km (0.071 R)
• M8: 3,123,604 km (0.084 R)
• M9: 3,406,792 km (0.109 R)
• M10: 4,245,737 km (0.075 R)
• M11: 4,804,485 km (0.103 R)
• M12: 4,959,319 km (0.087 R)
• M13: 5,181,771 km (0.113 R)
• M14: 5,578,505 km (0.112 R)
• M15: 5,784,351 km (0.111 R)
• M16: 6,469,809 km (0.105 R)
• M17: 7,207,775 km (0.114 R)
• M18: 7,828,756 km (0.066 R)
• M19: 9,415,540 km (0.088 R)
• M20: 12,380,421 km (0.057 R)
• M21: 12,849,111 km (0.097 R)
• M22: 14,712,651 km (0.114 R)
• M23: 22,645,378 km (0.03 R)
• M24: 23,257,532 km (0.079 R)
• M25: 28,154,170 km (0.116 R)
• M26: 31,810,342 km (0.11 R)
• M27: 32,357,271 km (0.108 R)
• M28: 33,357,333 km (0.117 R)
• M29: 40,174,508 km (0.1 R)
• M30: 42,638,086 km (0.084 R)
• M31: 42,903,173 km (0.103 R)
• M32: 44,380,602 km (0.09 R)
• M33: 46,030,517 km (0.11 R)
• M34: 47,011,729 km (0.103 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 11,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit