🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.6 AU - 0.84 AU

Year: 225 Days

Day: 45.1 Hours

Environment

Temp: 162 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.18 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.3 AU - 1.98 AU

Year: 775 Days

Day: 19.7 Hours

Environment

Temp: -43 °C

Axial Tilt: 68.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.38 AU - 2.92 AU

Year: 1592 Days

Day: 17.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.85 AU - 3.41 AU

Year: 2043 Days

Day: 40 Hours

Environment

Temp: -102 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,931,014 km

• M1: 2,147,777 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.05 AU - 3.45 AU

Year: 2162 Days

Day: 39.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.7

Radius: 14.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.57 AU - 6.81 AU

Year: 6384 Days

Day: 14.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,931,014 km

• M1: 184,903 km (0.102 R)
• M2: 678,277 km (0.115 R)
• M3: 1,364,482 km (0.116 R)
• M4: 1,910,664 km (0.116 R)
• M5: 2,480,034 km (0.1 R)
• M6: 3,460,199 km (0.034 R)
• M7: 4,189,189 km (0.057 R)
• M8: 5,047,582 km (0.086 R)
• M9: 7,042,918 km (0.09 R)
• M10: 7,748,422 km (0.087 R)
• M11: 12,745,739 km (0.085 R)
• M12: 14,023,454 km (0.062 R)
• M13: 15,385,243 km (0.029 R)
• M14: 19,138,205 km (0.077 R)
• M15: 20,219,199 km (0.102 R)
• M16: 21,340,435 km (0.074 R)
• M17: 23,139,799 km (0.113 R)
• M18: 25,208,288 km (0.069 R)
• M19: 25,982,308 km (0.12 R)
• M20: 29,426,350 km (0.07 R)
• M21: 30,188,551 km (0.06 R)
• M22: 32,756,399 km (0.072 R)
• M23: 34,093,654 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.9

Radius: 12.1

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.33 AU - 9.45 AU

Year: 8177 Days

Day: 10.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,931,014 km

• M1: 155,731 km (0.1 R)
• M2: 909,256 km (0.052 R)
• M3: 1,366,427 km (0.084 R)
• M4: 2,477,490 km (0.04 R)
• M5: 3,413,225 km (0.108 R)
• M6: 3,892,237 km (0.08 R)
• M7: 5,402,428 km (0.097 R)
• M8: 5,921,084 km (0.098 R)
• M9: 7,028,856 km (0.052 R)
• M10: 7,490,066 km (0.112 R)
• M11: 12,289,315 km (0.074 R)
• M12: 13,051,517 km (0.048 R)
• M13: 14,522,363 km (0.077 R)
• M14: 16,312,601 km (0.092 R)
• M15: 19,656,562 km (0.099 R)
• M16: 20,450,627 km (0.033 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.8

Radius: 4.8

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 12.08 AU - 18.42 AU

Year: 21973 Days

Day: 17.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 168.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,931,014 km

• M1: 63,878 km (0.047 R)
• M2: 809,324 km (0.058 R)
• M3: 1,292,825 km (0.091 R)
• M4: 1,533,229 km (0.045 R)
• M5: 1,875,209 km (0.036 R)
• M6: 8,878,185 km (0.112 R)
• M7: 14,997,635 km (0.081 R)
• M8: 20,225,183 km (0.116 R)
• M9: 20,739,650 km (0.12 R)
• M10: 27,254,189 km (0.084 R)
• M11: 30,584,387 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.9

Radius: 3.5

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 13.79 AU - 18.09 AU

Year: 23481 Days

Day: 24.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,931,014 km

• M1: 54,753 km (0.068 R)
• M2: 175,478 km (0.119 R)
• M3: 299,495 km (0.116 R)
• M4: 479,162 km (0.088 R)
• M5: 721,211 km (0.086 R)
• M6: 2,301,414 km (0.102 R)
• M7: 2,912,970 km (0.112 R)
• M8: 5,700,876 km (0.112 R)
• M9: 6,804,908 km (0.101 R)
• M10: 10,074,818 km (0.072 R)
• M11: 11,376,469 km (0.036 R)
• M12: 16,159,562 km (0.098 R)
• M13: 21,280,895 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 18,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit