🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.44 AU - 0.64 AU

Year: 252 Days

Day: 35.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.49 AU - 0.63 AU

Year: 266 Days

Day: 40.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,098,613 km

• M1: 512,971 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.51 AU - 0.63 AU

Year: 274 Days

Day: 15.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,098,613 km

• M1: 51,312 km (0.116 R)
• M2: 72,256 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.58 AU - 0.66 AU

Year: 310 Days

Day: 24.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,098,613 km

• M1: 296,204 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 9.5

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.67 AU - 0.77 AU

Year: 388 Days

Day: 5.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,098,613 km

• M1: 120,426 km (0.035 R)
• M2: 440,715 km (0.109 R)
• M3: 803,041 km (0.103 R)
• M4: 1,281,007 km (0.085 R)
• M5: 1,583,045 km (0.116 R)
• M6: 2,118,755 km (0.089 R)
• M7: 2,637,261 km (0.091 R)
• M8: 3,122,556 km (0.103 R)
• M9: 3,821,777 km (0.083 R)
• M10: 4,896,787 km (0.105 R)
• M11: 5,263,751 km (0.033 R)
• M12: 5,631,911 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903

Radius: 10.6

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.17 AU - 1.39 AU

Year: 921 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,098,613 km

• M1: 131,796 km (0.1 R)
• M2: 462,706 km (0.103 R)
• M3: 809,324 km (0.118 R)
• M4: 1,175,690 km (0.08 R)
• M5: 1,603,091 km (0.059 R)
• M6: 2,154,658 km (0.094 R)
• M7: 2,534,338 km (0.112 R)
• M8: 2,906,537 km (0.086 R)
• M9: 3,460,049 km (0.077 R)
• M10: 4,165,553 km (0.088 R)
• M11: 5,039,952 km (0.099 R)
• M12: 7,568,755 km (0.11 R)
• M13: 7,951,576 km (0.06 R)
• M14: 8,756,263 km (0.099 R)
• M15: 9,235,724 km (0.089 R)
• M16: 10,278,421 km (0.08 R)
• M17: 10,621,748 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.1

Radius: 6.6

Gravity: 19.77 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.69 AU - 8.41 AU

Year: 11902 Days

Day: 22.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,098,613 km

• M1: 90,208 km (0.086 R)
• M2: 467,643 km (0.116 R)
• M3: 1,301,801 km (0.08 R)
• M4: 1,744,461 km (0.102 R)
• M5: 2,721,784 km (0.056 R)
• M6: 3,020,830 km (0.102 R)
• M7: 3,470,820 km (0.115 R)
• M8: 3,993,515 km (0.094 R)
• M9: 4,662,666 km (0.071 R)
• M10: 5,160,229 km (0.105 R)
• M11: 6,378,704 km (0.078 R)
• M12: 7,204,334 km (0.069 R)
• M13: 8,525,283 km (0.057 R)
• M14: 9,066,229 km (0.08 R)
• M15: 11,876,725 km (0.091 R)
• M16: 13,775,720 km (0.067 R)
• M17: 14,178,437 km (0.048 R)
• M18: 14,519,969 km (0.114 R)
• M19: 15,505,670 km (0.118 R)
• M20: 17,298,002 km (0.119 R)
• M21: 17,531,374 km (0.083 R)
• M22: 18,404,876 km (0.078 R)
• M23: 18,811,483 km (0.066 R)
• M24: 20,671,883 km (0.03 R)
• M25: 26,775,476 km (0.106 R)
• M26: 27,297,423 km (0.096 R)
• M27: 27,826,251 km (0.082 R)
• M28: 31,143,434 km (0.114 R)
• M29: 39,215,735 km (0.027 R)
• M30: 39,484,114 km (0.074 R)
• M31: 42,376,140 km (0.093 R)
• M32: 43,513,981 km (0.071 R)
• M33: 49,824,020 km (0.115 R)
• M34: 52,868,635 km (0.073 R)
• M35: 53,196,105 km (0.05 R)
• M36: 57,060,517 km (0.098 R)
• M37: 58,098,577 km (0.087 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: 342 - 18,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit