🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.43 AU - 0.63 AU

Year: 170 Days

Day: 17.2 Hours

Environment

Temp: 25 °C

Axial Tilt: 35 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.53 AU - 0.75 AU

Year: 225 Days

Day: 14.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 144.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 74,470,421 km

• M1: 39,045 km (0.077 R)
• M2: 134,189 km (0.028 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.76 AU - 1.12 AU

Year: 401 Days

Day: 17.2 Hours

Environment

Temp: -64 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,470,421 km

• M1: 258,206 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.49 AU - 1.67 AU

Year: 873 Days

Day: 12.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.2

Radius: 7

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.73 AU - 9.97 AU

Year: 13593 Days

Day: 24.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,470,421 km

• M1: 87,664 km (0.06 R)
• M2: 324,777 km (0.052 R)
• M3: 613,950 km (0.105 R)
• M4: 889,359 km (0.118 R)
• M5: 1,299,856 km (0.087 R)
• M6: 1,526,796 km (0.113 R)
• M7: 2,062,057 km (0.061 R)
• M8: 2,946,180 km (0.119 R)
• M9: 3,316,585 km (0.054 R)
• M10: 4,746,441 km (0.107 R)
• M11: 5,362,485 km (0.116 R)
• M12: 5,915,399 km (0.04 R)
• M13: 8,035,051 km (0.113 R)
• M14: 8,367,458 km (0.119 R)
• M15: 11,907,542 km (0.065 R)
• M16: 15,592,287 km (0.065 R)
• M17: 17,493,526 km (0.104 R)
• M18: 18,540,861 km (0.119 R)
• M19: 19,629,335 km (0.113 R)
• M20: 28,250,810 km (0.061 R)
• M21: 32,954,915 km (0.087 R)
• M22: 44,317,920 km (0.105 R)
• M23: 50,306,922 km (0.115 R)
• M24: 50,788,776 km (0.099 R)
• M25: 59,637,341 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.7

Radius: 7.9

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 9.71 AU - 13.67 AU

Year: 17575 Days

Day: 17.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,470,421 km

• M1: 99,333 km (0.108 R)
• M2: 414,386 km (0.102 R)
• M3: 748,438 km (0.115 R)
• M4: 1,302,698 km (0.098 R)
• M5: 1,696,141 km (0.107 R)
• M6: 2,146,729 km (0.09 R)
• M7: 2,445,028 km (0.1 R)
• M8: 2,970,116 km (0.063 R)
• M9: 3,568,208 km (0.065 R)
• M10: 4,929,848 km (0.043 R)
• M11: 5,847,930 km (0.059 R)
• M12: 6,966,174 km (0.037 R)
• M13: 7,672,875 km (0.111 R)
• M14: 11,170,623 km (0.067 R)
• M15: 11,679,555 km (0.119 R)
• M16: 12,137,474 km (0.055 R)
• M17: 13,229,239 km (0.039 R)
• M18: 21,674,936 km (0.109 R)
• M19: 24,107,697 km (0.05 R)
• M20: 24,957,562 km (0.102 R)
• M21: 25,281,292 km (0.103 R)
• M22: 26,158,384 km (0.082 R)
• M23: 27,397,354 km (0.106 R)
• M24: 27,742,028 km (0.104 R)
• M25: 29,388,502 km (0.101 R)
• M26: 34,316,854 km (0.067 R)
• M27: 38,319,794 km (0.087 R)
• M28: 38,895,297 km (0.113 R)
• M29: 39,622,642 km (0.103 R)
• M30: 40,805,362 km (0.101 R)
• M31: 43,241,115 km (0.071 R)
• M32: 47,238,220 km (0.069 R)
• M33: 49,072,590 km (0.068 R)
• M34: 54,677,872 km (0.115 R)
• M35: 58,200,004 km (0.071 R)
• M36: 66,103,858 km (0.114 R)
• M37: 69,669,075 km (0.071 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 18,772 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit