🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.74 AU - 0.78 AU

Year: 248 Days

Day: 19.3 Hours

Environment

Temp: 171 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.66 AU - 0.98 AU

Year: 278 Days

Day: 40.8 Hours

Environment

Temp: 140 °C

Axial Tilt: 1.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.02 AU - 1.06 AU

Year: 397 Days

Day: 30.8 Hours

Environment

Temp: 22 °C

Axial Tilt: 42 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 83,468,391 km

• M1: 606,619 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.49 AU - 1.65 AU

Year: 737 Days

Day: 17.4 Hours

Environment

Temp: -47 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.51 AU - 1.81 AU

Year: 801 Days

Day: 29.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.67 AU - 1.97 AU

Year: 920 Days

Day: 13.2 Hours

Environment

Temp: -57 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.97 AU - 3.17 AU

Year: 1544 Days

Day: 41.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.4

Radius: 12.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.17 AU - 9.81 AU

Year: 9270 Days

Day: 12.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,468,391 km

• M1: 151,692 km (0.075 R)
• M2: 1,106,725 km (0.094 R)
• M3: 1,773,333 km (0.085 R)
• M4: 2,298,571 km (0.111 R)
• M5: 3,337,528 km (0.104 R)
• M6: 4,255,461 km (0.111 R)
• M7: 4,690,791 km (0.074 R)
• M8: 7,236,647 km (0.111 R)
• M9: 11,923,399 km (0.1 R)
• M10: 12,376,082 km (0.083 R)
• M11: 12,981,804 km (0.031 R)
• M12: 15,711,816 km (0.098 R)
• M13: 16,146,547 km (0.043 R)
• M14: 17,154,089 km (0.096 R)
• M15: 17,966,405 km (0.092 R)
• M16: 19,418,402 km (0.031 R)
• M17: 21,407,754 km (0.077 R)
• M18: 22,486,056 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.5

Radius: 3.3

Gravity: 64.51 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 13.57 AU - 17.27 AU

Year: 22691 Days

Day: 17 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 83,468,391 km

• M1: 41,139 km (0.094 R)
• M2: 178,171 km (0.068 R)
• M3: 376,388 km (0.106 R)
• M4: 622,327 km (0.097 R)
• M5: 770,279 km (0.105 R)
• M6: 991,385 km (0.073 R)
• M7: 1,392,158 km (0.11 R)
• M8: 2,139,549 km (0.082 R)
• M9: 2,623,947 km (0.119 R)
• M10: 2,931,520 km (0.081 R)
• M11: 3,066,457 km (0.069 R)
• M12: 3,556,989 km (0.064 R)
• M13: 3,836,886 km (0.047 R)
• M14: 5,300,701 km (0.056 R)
• M15: 5,707,159 km (0.064 R)
• M16: 6,955,703 km (0.113 R)
• M17: 8,321,382 km (0.092 R)
• M18: 8,647,505 km (0.101 R)
• M19: 11,370,186 km (0.103 R)
• M20: 11,975,758 km (0.111 R)
• M21: 12,673,632 km (0.113 R)
• M22: 16,318,734 km (0.102 R)
• M23: 19,164,385 km (0.096 R)
• M24: 19,732,258 km (0.043 R)
• M25: 21,101,079 km (0.075 R)
• M26: 24,575,340 km (0.083 R)
• M27: 31,702,033 km (0.094 R)
• M28: 32,629,240 km (0.095 R)
• M29: 33,985,046 km (0.119 R)
• M30: 36,519,234 km (0.091 R)
• M31: 36,663,596 km (0.057 R)
• M32: 38,128,309 km (0.114 R)
• M33: 41,017,941 km (0.055 R)
• M34: 48,960,840 km (0.076 R)
• M35: 49,136,468 km (0.099 R)
• M36: 54,600,231 km (0.047 R)
• M37: 57,282,969 km (0.114 R)
• M38: 58,459,108 km (0.098 R)
• M39: 60,052,325 km (0.107 R)
• M40: 60,657,149 km (0.085 R)
• M41: 61,062,560 km (0.111 R)
• M42: 67,363,173 km (0.105 R)
• M43: 82,471,212 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 16,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit