🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.52 AU - 0.62 AU

Year: 196 Days

Day: 31.9 Hours

Environment

Temp: -6 °C

Axial Tilt: 29.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.6 AU - 0.84 AU

Year: 279 Days

Day: 47.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 129.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,473,937 km

• M1: 597,344 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.68 AU - 1.1 AU

Year: 383 Days

Day: 38.8 Hours

Environment

Temp: -68 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.96 AU - 0.98 AU

Year: 436 Days

Day: 43.6 Hours

Environment

Temp: -63 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.93 AU - 1.33 AU

Year: 548 Days

Day: 12.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,473,937 km

• M1: 40,691 km (0.076 R)
• M2: 193,131 km (0.07 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.92 AU - 1.4 AU

Year: 570 Days

Day: 37.2 Hours

Environment

Temp: -88 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.3

Radius: 13.5

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.67 AU - 4.15 AU

Year: 2875 Days

Day: 6.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,473,937 km

• M1: 167,849 km (0.107 R)
• M2: 1,631,365 km (0.119 R)
• M3: 2,186,074 km (0.1 R)
• M4: 3,060,623 km (0.109 R)
• M5: 3,528,415 km (0.053 R)
• M6: 4,389,351 km (0.066 R)
• M7: 5,500,415 km (0.106 R)
• M8: 6,247,357 km (0.108 R)
• M9: 6,685,080 km (0.112 R)
• M10: 8,964,054 km (0.091 R)
• M11: 10,965,674 km (0.046 R)
• M12: 12,917,477 km (0.106 R)
• M13: 14,150,463 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.1

Radius: 9.2

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.91 AU - 8.87 AU

Year: 10118 Days

Day: 6.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,473,937 km

• M1: 114,592 km (0.091 R)
• M2: 736,470 km (0.111 R)
• M3: 1,436,439 km (0.04 R)
• M4: 1,737,280 km (0.096 R)
• M5: 2,115,463 km (0.03 R)
• M6: 3,039,380 km (0.113 R)
• M7: 4,931,045 km (0.12 R)
• M8: 6,652,318 km (0.072 R)
• M9: 7,627,547 km (0.083 R)
• M10: 8,016,800 km (0.112 R)
• M11: 11,069,494 km (0.095 R)
• M12: 12,141,662 km (0.08 R)
• M13: 12,673,034 km (0.107 R)
• M14: 13,530,379 km (0.112 R)
• M15: 15,634,773 km (0.055 R)
• M16: 16,405,950 km (0.052 R)
• M17: 17,349,763 km (0.12 R)
• M18: 22,974,194 km (0.062 R)
• M19: 25,470,982 km (0.101 R)
• M20: 28,657,866 km (0.051 R)
• M21: 31,656,256 km (0.064 R)
• M22: 32,324,958 km (0.089 R)
• M23: 33,003,085 km (0.115 R)
• M24: 42,837,500 km (0.081 R)
• M25: 47,321,397 km (0.039 R)
• M26: 48,784,314 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.5

Radius: 3.3

Gravity: 45.41 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 10.49 AU - 13.35 AU

Year: 18789 Days

Day: 21.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,473,937 km

• M1: 40,990 km (0.116 R)
• M2: 168,896 km (0.064 R)
• M3: 397,781 km (0.099 R)
• M4: 638,334 km (0.114 R)
• M5: 806,482 km (0.111 R)
• M6: 945,608 km (0.057 R)
• M7: 1,258,716 km (0.111 R)
• M8: 1,653,505 km (0.067 R)
• M9: 1,807,741 km (0.092 R)
• M10: 1,915,900 km (0.103 R)
• M11: 5,653,004 km (0.073 R)
• M12: 12,095,137 km (0.059 R)
• M13: 21,164,658 km (0.062 R)
• M14: 26,988,353 km (0.115 R)
• M15: 29,681,115 km (0.097 R)
• M16: 35,593,223 km (0.11 R)
• M17: 35,855,318 km (0.081 R)
• M18: 39,379,994 km (0.067 R)
• M19: 40,652,025 km (0.095 R)
• M20: 45,704,244 km (0.115 R)
• M21: 51,660,333 km (0.051 R)
• M22: 53,012,698 km (0.101 R)
• M23: 61,814,738 km (0.06 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: 372 - 15,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit