🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.53 AU - 1.63 AU

Year: 729 Days

Day: 36.6 Hours

Environment

Temp: -35 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,868,749 km

• M1: 52,210 km (0.066 R)
• M2: 598,391 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.54 AU - 2.06 AU

Year: 887 Days

Day: 21.9 Hours

Environment

Temp: -66 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,868,749 km

• M1: 495,319 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.77 AU - 1.99 AU

Year: 946 Days

Day: 21.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,868,749 km

• M1: 355,893 km (0.064 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.15 AU - 2.35 AU

Year: 1239 Days

Day: 45 Hours

Environment

Temp: -81 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,868,749 km

• M1: 1,655,749 km (0.082 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.14 AU - 2.82 AU

Year: 1434 Days

Day: 26.7 Hours

Environment

Temp: -92 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,868,749 km

• M1: 55,501 km (0.04 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.06 AU - 3.24 AU

Year: 2052 Days

Day: 40.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,868,749 km

• M1: 827,725 km (0.105 R)
• M2: 1,289,085 km (0.03 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.7 AU - 4.34 AU

Year: 2959 Days

Day: 37 Hours

Environment

Temp: -116 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.7

Radius: 14

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.4 AU - 7.78 AU

Year: 6930 Days

Day: 6.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,868,749 km

• M1: 254,017 km (0.113 R)
• M2: 760,556 km (0.1 R)
• M3: 1,496,278 km (0.064 R)
• M4: 2,331,184 km (0.113 R)
• M5: 2,795,835 km (0.098 R)
• M6: 3,646,897 km (0.079 R)
• M7: 4,359,880 km (0.05 R)
• M8: 5,964,318 km (0.098 R)
• M9: 12,220,500 km (0.117 R)
• M10: 13,939,081 km (0.087 R)
• M11: 16,207,882 km (0.115 R)
• M12: 17,153,490 km (0.057 R)
• M13: 20,288,762 km (0.077 R)
• M14: 27,766,262 km (0.106 R)
• M15: 33,015,502 km (0.053 R)
• M16: 33,769,176 km (0.075 R)
• M17: 36,899,212 km (0.046 R)
• M18: 39,611,272 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.7

Radius: 6.9

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 11.06 AU - 17.94 AU

Year: 20269 Days

Day: 15.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,868,749 km

• M1: 86,318 km (0.079 R)
• M2: 380,427 km (0.078 R)
• M3: 644,468 km (0.113 R)
• M4: 941,419 km (0.108 R)
• M5: 1,357,002 km (0.092 R)
• M6: 1,782,907 km (0.047 R)
• M7: 2,780,725 km (0.068 R)
• M8: 3,359,968 km (0.05 R)
• M9: 6,714,252 km (0.118 R)
• M10: 8,185,696 km (0.026 R)
• M11: 8,483,845 km (0.099 R)
• M12: 11,440,946 km (0.065 R)
• M13: 12,848,213 km (0.047 R)
• M14: 13,593,510 km (0.059 R)
• M15: 15,695,958 km (0.118 R)
• M16: 21,929,402 km (0.049 R)
• M17: 22,992,295 km (0.101 R)
• M18: 23,988,168 km (0.107 R)
• M19: 28,599,373 km (0.111 R)
• M20: 29,517,754 km (0.043 R)
• M21: 30,101,784 km (0.114 R)
• M22: 31,777,729 km (0.082 R)
• M23: 32,391,230 km (0.067 R)
• M24: 34,022,894 km (0.046 R)
• M25: 34,278,706 km (0.062 R)
• M26: 35,053,773 km (0.1 R)
• M27: 36,907,739 km (0.106 R)
• M28: 39,105,482 km (0.083 R)
• M29: 41,098,873 km (0.107 R)
• M30: 41,389,093 km (0.085 R)
• M31: 42,267,831 km (0.086 R)
• M32: 46,533,764 km (0.038 R)
• M33: 51,919,437 km (0.088 R)
• M34: 58,070,153 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 19,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit