🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.62 AU - 1.04 AU

Year: 279 Days

Day: 43.9 Hours

Environment

Temp: 92 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 84,492,863 km

• M1: 173,982 km (0.112 R)
• M2: 196,721 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.93 AU - 1.08 AU

Year: 369 Days

Day: 37.7 Hours

Environment

Temp: 27 °C

Axial Tilt: 8.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 84,492,863 km

• M1: 225,594 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.33 AU - 1.59 AU

Year: 651 Days

Day: 37.5 Hours

Environment

Temp: -37 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.24 AU - 2.26 AU

Year: 1245 Days

Day: 34.3 Hours

Environment

Temp: -76 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.84 AU - 5.16 AU

Year: 3522 Days

Day: 31.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,492,863 km

• M1: 116,238 km (0.105 R)

Asteroid Belt

Center: 4.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.6

Radius: 11.1

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.76 AU - 5.54 AU

Year: 4312 Days

Day: 5.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,492,863 km

• M1: 138,228 km (0.026 R)
• M2: 946,356 km (0.058 R)
• M3: 1,384,379 km (0.087 R)
• M4: 2,213,600 km (0.11 R)
• M5: 3,448,680 km (0.086 R)
• M6: 3,843,169 km (0.098 R)
• M7: 4,814,957 km (0.046 R)
• M8: 5,922,131 km (0.073 R)
• M9: 9,836,808 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.7

Radius: 13.8

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.78 AU - 6.02 AU

Year: 4630 Days

Day: 9.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,492,863 km

• M1: 172,187 km (0.046 R)
• M2: 610,509 km (0.116 R)
• M3: 1,336,507 km (0.045 R)
• M4: 2,668,676 km (0.117 R)
• M5: 5,001,506 km (0.101 R)
• M6: 7,459,399 km (0.077 R)
• M7: 8,797,252 km (0.118 R)
• M8: 9,985,059 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.2

Radius: 13.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 9.82 AU - 13.92 AU

Year: 15089 Days

Day: 13.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,492,863 km

• M1: 163,810 km (0.11 R)
• M2: 1,406,370 km (0.088 R)
• M3: 3,023,523 km (0.113 R)
• M4: 3,592,742 km (0.104 R)
• M5: 4,232,872 km (0.1 R)
• M6: 11,242,729 km (0.098 R)
• M7: 11,738,646 km (0.112 R)
• M8: 18,408,168 km (0.116 R)
• M9: 21,726,697 km (0.068 R)
• M10: 23,366,739 km (0.092 R)
• M11: 24,753,810 km (0.096 R)
• M12: 28,873,586 km (0.074 R)
• M13: 31,828,293 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.8

Radius: 4.2

Gravity: 51.46 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 11.97 AU - 16.99 AU

Year: 20330 Days

Day: 19.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,492,863 km

• M1: 55,501 km (0.082 R)
• M2: 260,001 km (0.102 R)
• M3: 586,872 km (0.118 R)
• M4: 748,289 km (0.109 R)
• M5: 1,176,288 km (0.113 R)
• M6: 1,623,586 km (0.082 R)
• M7: 3,198,402 km (0.116 R)
• M8: 5,375,799 km (0.054 R)
• M9: 7,343,759 km (0.097 R)
• M10: 7,493,208 km (0.118 R)
• M11: 7,746,926 km (0.051 R)
• M12: 8,542,338 km (0.115 R)
• M13: 8,763,294 km (0.082 R)
• M14: 9,685,565 km (0.07 R)
• M15: 10,862,601 km (0.106 R)
• M16: 12,766,383 km (0.115 R)
• M17: 13,721,416 km (0.071 R)
• M18: 14,722,974 km (0.049 R)
• M19: 14,881,398 km (0.056 R)
• M20: 21,267,132 km (0.066 R)
• M21: 22,187,907 km (0.077 R)
• M22: 24,439,056 km (0.103 R)
• M23: 25,335,297 km (0.087 R)
• M24: 25,906,462 km (0.104 R)
• M25: 28,276,990 km (0.114 R)
• M26: 28,891,388 km (0.119 R)
• M27: 29,892,946 km (0.086 R)
• M28: 32,364,003 km (0.053 R)
• M29: 35,675,651 km (0.114 R)
• M30: 36,248,611 km (0.103 R)
• M31: 38,302,590 km (0.049 R)
• M32: 39,510,443 km (0.082 R)
• M33: 39,969,709 km (0.064 R)
• M34: 40,432,714 km (0.091 R)
• M35: 69,517,831 km (0.088 R)
• M36: 69,963,633 km (0.092 R)
• M37: 79,284,029 km (0.107 R)
• M38: 81,489,401 km (0.06 R)
• M39: 82,982,088 km (0.084 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: 494 - 17,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit