🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.61 AU - 0.81 AU

Year: 254 Days

Day: 47.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 8.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 18,813,275 km

• M1: 244,293 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.66 AU - 0.96 AU

Year: 310 Days

Day: 29.8 Hours

Environment

Temp: -13 °C

Axial Tilt: 10.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.12 AU - 1.46 AU

Year: 622 Days

Day: 18.6 Hours

Environment

Temp: -70 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,813,275 km

• M1: 42,486 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.43 AU - 1.53 AU

Year: 764 Days

Day: 38.6 Hours

Environment

Temp: -90 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,813,275 km

• M1: 483,800 km (0.025 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.35 AU - 1.65 AU

Year: 780 Days

Day: 31.2 Hours

Environment

Temp: -90 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,813,275 km

• M1: 50,863 km (0.1 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.95 AU - 2.97 AU

Year: 1638 Days

Day: 20 Hours

Environment

Temp: -130 °C

Axial Tilt: 64 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 18,813,275 km

• M1: 542,591 km (0.031 R)
• M2: 999,912 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.3

Radius: 11.9

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.71 AU - 3.11 AU

Year: 2108 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 18,813,275 km

• M1: 161,416 km (0.067 R)
• M2: 264,938 km (0.068 R)
• M3: 356,641 km (0.055 R)
• M4: 450,140 km (0.073 R)
• M5: 610,509 km (0.06 R)
• M6: 1,136,196 km (0.118 R)
• M7: 1,232,387 km (0.064 R)
• M8: 1,353,711 km (0.078 R)
• M9: 1,830,031 km (0.109 R)
• M10: 1,905,877 km (0.1 R)
• M11: 2,074,025 km (0.035 R)
• M12: 2,370,079 km (0.037 R)
• M13: 2,636,812 km (0.035 R)
• M14: 2,723,130 km (0.049 R)
• M15: 2,810,495 km (0.084 R)
• M16: 3,032,798 km (0.107 R)
• M17: 3,307,459 km (0.071 R)
• M18: 3,479,347 km (0.054 R)
• M19: 3,558,485 km (0.12 R)
• M20: 3,654,227 km (0.117 R)
• M21: 3,913,929 km (0.088 R)
• M22: 4,046,024 km (0.066 R)
• M23: 4,146,105 km (0.067 R)
• M24: 4,230,179 km (0.115 R)
• M25: 4,554,806 km (0.084 R)
• M26: 5,066,132 km (0.077 R)
• M27: 5,264,798 km (0.102 R)
• M28: 5,411,105 km (0.101 R)
• M29: 5,763,707 km (0.098 R)
• M30: 5,990,348 km (0.102 R)
• M31: 6,413,410 km (0.119 R)
• M32: 6,550,143 km (0.079 R)
• M33: 6,806,703 km (0.042 R)
• M34: 6,906,186 km (0.077 R)
• M35: 7,046,359 km (0.033 R)
• M36: 7,248,166 km (0.065 R)
• M37: 7,431,573 km (0.117 R)
• M38: 7,554,692 km (0.066 R)
• M39: 7,907,145 km (0.09 R)
• M40: 8,392,740 km (0.042 R)
• M41: 8,478,160 km (0.041 R)
• M42: 8,736,216 km (0.111 R)
• M43: 8,822,834 km (0.104 R)
• M44: 8,953,283 km (0.034 R)
• M45: 9,525,944 km (0.105 R)
• M46: 9,839,351 km (0.098 R)
• M47: 10,042,505 km (0.036 R)
• M48: 10,292,782 km (0.116 R)
• M49: 10,591,380 km (0.064 R)
• M50: 10,799,620 km (0.088 R)
• M51: 10,916,007 km (0.041 R)
• M52: 11,056,180 km (0.116 R)
• M53: 11,575,135 km (0.065 R)
• M54: 11,837,680 km (0.06 R)
• M55: 12,223,044 km (0.113 R)
• M56: 12,490,375 km (0.08 R)
• M57: 12,759,651 km (0.099 R)
• M58: 13,129,906 km (0.116 R)
• M59: 13,704,661 km (0.07 R)
• M60: 14,033,028 km (0.076 R)
• M61: 14,109,323 km (0.088 R)
• M62: 14,313,075 km (0.061 R)
• M63: 14,801,064 km (0.103 R)
• M64: 14,878,555 km (0.037 R)
• M65: 14,956,346 km (0.072 R)
• M66: 15,294,587 km (0.113 R)
• M67: 15,899,112 km (0.117 R)
• M68: 16,271,012 km (0.113 R)
• M69: 17,732,135 km (0.046 R)
• M70: 17,814,414 km (0.11 R)
• M71: 17,924,518 km (0.109 R)
• M72: 18,145,324 km (0.053 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 19,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit