🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.4

Radius: 12.3

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.46 AU - 0.64 AU

Year: 272 Days

Day: 7 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,987,425 km

• M1: 153,338 km (0.073 R)
• M2: 594,502 km (0.027 R)
• M3: 1,185,862 km (0.026 R)
• M4: 1,895,255 km (0.077 R)
• M5: 2,368,882 km (0.047 R)
• M6: 3,041,774 km (0.058 R)
• M7: 3,558,634 km (0.064 R)
• M8: 4,352,101 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.6

Radius: 12.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.83 AU - 0.95 AU

Year: 560 Days

Day: 6.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,987,425 km

• M1: 153,487 km (0.042 R)
• M2: 636,689 km (0.071 R)
• M3: 1,125,874 km (0.089 R)
• M4: 1,567,636 km (0.07 R)
• M5: 2,094,370 km (0.078 R)
• M6: 2,533,739 km (0.071 R)
• M7: 3,117,620 km (0.102 R)
• M8: 4,009,821 km (0.108 R)
• M9: 4,570,514 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.8

Radius: 14.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.45 AU - 2.25 AU

Year: 1678 Days

Day: 13.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,987,425 km

• M1: 183,706 km (0.07 R)
• M2: 848,070 km (0.096 R)
• M3: 1,309,729 km (0.034 R)
• M4: 1,808,788 km (0.097 R)
• M5: 3,317,183 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.8

Radius: 10.3

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.97 AU - 4.79 AU

Year: 5097 Days

Day: 8.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,987,425 km

• M1: 128,056 km (0.103 R)
• M2: 653,144 km (0.096 R)
• M3: 986,448 km (0.057 R)
• M4: 1,886,579 km (0.043 R)
• M5: 2,493,049 km (0.113 R)
• M6: 2,815,881 km (0.089 R)
• M7: 3,205,434 km (0.066 R)
• M8: 3,609,797 km (0.117 R)
• M9: 5,840,450 km (0.083 R)
• M10: 7,891,886 km (0.075 R)
• M11: 8,481,302 km (0.033 R)
• M12: 9,299,153 km (0.068 R)
• M13: 10,126,280 km (0.062 R)
• M14: 10,778,078 km (0.118 R)
• M15: 12,359,178 km (0.059 R)
• M16: 12,902,368 km (0.113 R)
• M17: 16,208,331 km (0.034 R)
• M18: 18,213,541 km (0.054 R)
• M19: 18,787,997 km (0.107 R)
• M20: 20,652,734 km (0.088 R)
• M21: 23,079,062 km (0.109 R)
• M22: 24,207,479 km (0.073 R)
• M23: 26,983,417 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.2

Radius: 5

Gravity: 24.41 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.03 AU - 6.73 AU

Year: 10746 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,987,425 km

• M1: 62,233 km (0.111 R)
• M2: 245,640 km (0.109 R)
• M3: 409,599 km (0.12 R)
• M4: 921,373 km (0.102 R)
• M5: 1,089,222 km (0.117 R)
• M6: 1,515,875 km (0.114 R)
• M7: 2,490,206 km (0.04 R)
• M8: 2,906,836 km (0.095 R)
• M9: 3,108,793 km (0.106 R)
• M10: 3,516,148 km (0.046 R)
• M11: 5,959,082 km (0.103 R)
• M12: 7,756,500 km (0.102 R)
• M13: 8,058,538 km (0.084 R)
• M14: 9,106,322 km (0.11 R)
• M15: 10,605,143 km (0.112 R)
• M16: 11,523,823 km (0.088 R)
• M17: 14,082,246 km (0.109 R)
• M18: 16,425,547 km (0.102 R)
• M19: 17,431,593 km (0.079 R)
• M20: 20,449,431 km (0.118 R)
• M21: 21,108,858 km (0.072 R)
• M22: 21,275,959 km (0.109 R)
• M23: 28,095,527 km (0.053 R)
• M24: 30,161,025 km (0.064 R)
• M25: 31,447,716 km (0.047 R)
• M26: 34,015,414 km (0.081 R)
• M27: 37,325,716 km (0.112 R)
• M28: 44,715,402 km (0.086 R)
• M29: 45,545,670 km (0.077 R)

Asteroid Belt

Center: 7.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871

Radius: 4.6

Gravity: 41.16 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.58 AU - 10.28 AU

Year: 16322 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 108.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,987,425 km

• M1: 57,745 km (0.1 R)
• M2: 234,121 km (0.111 R)
• M3: 449,392 km (0.114 R)
• M4: 1,222,065 km (0.113 R)
• M5: 3,167,735 km (0.07 R)
• M6: 3,413,225 km (0.036 R)
• M7: 4,130,098 km (0.105 R)
• M8: 7,196,555 km (0.113 R)
• M9: 8,519,748 km (0.102 R)
• M10: 9,048,427 km (0.062 R)
• M11: 9,825,139 km (0.102 R)
• M12: 10,112,966 km (0.086 R)
• M13: 25,584,826 km (0.098 R)
• M14: 26,570,826 km (0.082 R)
• M15: 28,039,279 km (0.12 R)
• M16: 29,799,896 km (0.074 R)
• M17: 31,013,733 km (0.093 R)
• M18: 46,611,555 km (0.093 R)
• M19: 54,261,691 km (0.115 R)
• M20: 56,068,384 km (0.12 R)
• M21: 60,952,605 km (0.102 R)
• M22: 68,172,647 km (0.09 R)
• M23: 69,639,754 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 20,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit