🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.88 AU - 1.02 AU

Year: 325 Days

Day: 21.7 Hours

Environment

Temp: 104 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 108,420,985 km

• M1: 378,931 km (0.059 R)
• M2: 530,773 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.71 AU - 3.67 AU

Year: 2002 Days

Day: 26 Hours

Environment

Temp: -93 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,420,985 km

• M1: 39,494 km (0.06 R)

Asteroid Belt

Center: 7.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.4

Radius: 8.8

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 11.35 AU - 12.25 AU

Year: 14246 Days

Day: 8.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 108,420,985 km

• M1: 111,899 km (0.113 R)
• M2: 438,771 km (0.116 R)
• M3: 1,052,271 km (0.106 R)
• M4: 1,509,293 km (0.085 R)
• M5: 1,814,323 km (0.027 R)
• M6: 2,094,520 km (0.085 R)
• M7: 2,646,087 km (0.091 R)
• M8: 3,785,574 km (0.082 R)
• M9: 4,247,832 km (0.079 R)
• M10: 7,852,841 km (0.082 R)
• M11: 10,598,411 km (0.057 R)
• M12: 11,205,329 km (0.06 R)
• M13: 15,028,303 km (0.116 R)
• M14: 17,682,618 km (0.095 R)
• M15: 18,753,888 km (0.118 R)
• M16: 19,792,247 km (0.072 R)
• M17: 20,095,781 km (0.043 R)
• M18: 25,475,620 km (0.091 R)
• M19: 26,288,983 km (0.098 R)
• M20: 29,223,196 km (0.04 R)
• M21: 29,914,787 km (0.116 R)
• M22: 35,064,993 km (0.111 R)
• M23: 39,444,022 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.6

Radius: 4.1

Gravity: 18.54 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 13.64 AU - 20.12 AU

Year: 24375 Days

Day: 16.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 108,420,985 km

• M1: 61,485 km (0.037 R)
• M2: 238,010 km (0.119 R)
• M3: 390,450 km (0.072 R)
• M4: 625,768 km (0.107 R)
• M5: 831,315 km (0.072 R)
• M6: 1,105,977 km (0.041 R)
• M7: 1,484,310 km (0.107 R)
• M8: 2,216,741 km (0.106 R)
• M9: 2,383,692 km (0.116 R)
• M10: 3,711,822 km (0.064 R)
• M11: 3,858,279 km (0.081 R)
• M12: 4,385,162 km (0.106 R)
• M13: 4,548,972 km (0.107 R)
• M14: 4,819,445 km (0.119 R)
• M15: 5,172,496 km (0.069 R)
• M16: 5,542,601 km (0.096 R)
• M17: 6,049,738 km (0.068 R)
• M18: 7,337,327 km (0.079 R)
• M19: 10,910,472 km (0.093 R)
• M20: 12,341,376 km (0.059 R)
• M21: 12,471,376 km (0.107 R)
• M22: 13,271,126 km (0.117 R)
• M23: 14,678,842 km (0.057 R)
• M24: 15,119,857 km (0.083 R)
• M25: 23,728,017 km (0.101 R)
• M26: 25,898,084 km (0.063 R)
• M27: 26,541,505 km (0.078 R)
• M28: 29,919,425 km (0.117 R)
• M29: 31,468,211 km (0.08 R)
• M30: 33,194,870 km (0.033 R)
• M31: 33,573,053 km (0.079 R)
• M32: 34,081,537 km (0.082 R)
• M33: 38,891,706 km (0.056 R)
• M34: 54,235,362 km (0.109 R)
• M35: 58,342,122 km (0.108 R)
• M36: 61,697,004 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.7

Radius: 4.6

Gravity: 44.08 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 17.78 AU - 20.26 AU

Year: 29154 Days

Day: 15.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 108,420,985 km

• M1: 61,485 km (0.091 R)
• M2: 300,841 km (0.057 R)
• M3: 710,440 km (0.095 R)
• M4: 1,499,719 km (0.114 R)
• M5: 2,190,113 km (0.045 R)
• M6: 2,645,788 km (0.108 R)
• M7: 3,012,452 km (0.088 R)
• M8: 4,391,894 km (0.036 R)
• M9: 4,783,392 km (0.034 R)
• M10: 5,680,830 km (0.042 R)
• M11: 6,097,759 km (0.025 R)
• M12: 7,971,472 km (0.101 R)
• M13: 9,414,493 km (0.117 R)
• M14: 11,379,760 km (0.05 R)
• M15: 12,116,380 km (0.07 R)
• M16: 12,962,805 km (0.105 R)
• M17: 13,521,553 km (0.117 R)
• M18: 14,179,634 km (0.093 R)
• M19: 15,737,846 km (0.046 R)
• M20: 21,751,830 km (0.081 R)
• M21: 26,640,389 km (0.116 R)
• M22: 37,066,912 km (0.093 R)
• M23: 38,841,741 km (0.066 R)
• M24: 45,408,489 km (0.111 R)
• M25: 50,303,780 km (0.076 R)
• M26: 50,498,856 km (0.097 R)
• M27: 55,331,615 km (0.091 R)
• M28: 56,165,922 km (0.1 R)
• M29: 56,375,808 km (0.077 R)
• M30: 56,797,225 km (0.108 R)
• M31: 59,369,411 km (0.086 R)
• M32: 60,463,719 km (0.119 R)
• M33: 61,126,737 km (0.044 R)
• M34: 66,137,518 km (0.119 R)
• M35: 69,464,574 km (0.042 R)
• M36: 71,169,242 km (0.099 R)
• M37: 74,156,113 km (0.119 R)
• M38: 79,846,966 km (0.037 R)
• M39: 90,926,932 km (0.029 R)
• M40: 93,553,572 km (0.052 R)
• M41: 108,421,057 km (0.081 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 10,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit