🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.8

Radius: 8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.64 AU - 0.84 AU

Year: 432 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,926,694 km

• M1: 99,483 km (0.032 R)
• M2: 348,413 km (0.064 R)
• M3: 626,965 km (0.058 R)
• M4: 949,498 km (0.073 R)
• M5: 1,351,467 km (0.079 R)
• M6: 2,133,116 km (0.085 R)
• M7: 2,459,838 km (0.099 R)
• M8: 2,924,040 km (0.102 R)
• M9: 3,205,434 km (0.074 R)

Asteroid Belt

Center: 1.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.1

Radius: 12.4

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.3 AU - 1.3 AU

Year: 1005 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,926,694 km

• M1: 154,235 km (0.11 R)
• M2: 727,494 km (0.031 R)
• M3: 1,142,928 km (0.07 R)
• M4: 1,648,718 km (0.113 R)
• M5: 2,236,787 km (0.085 R)
• M6: 2,941,992 km (0.026 R)
• M7: 3,536,045 km (0.099 R)
• M8: 4,630,952 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.9

Radius: 14.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.27 AU - 1.41 AU

Year: 1052 Days

Day: 7.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,926,694 km

• M1: 183,108 km (0.073 R)
• M2: 769,232 km (0.092 R)
• M3: 1,387,670 km (0.062 R)
• M4: 2,177,098 km (0.09 R)
• M5: 3,171,325 km (0.103 R)
• M6: 3,637,921 km (0.107 R)
• M7: 4,365,864 km (0.078 R)
• M8: 6,178,841 km (0.101 R)
• M9: 8,060,333 km (0.05 R)
• M10: 9,880,191 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203

Radius: 11.1

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.57 AU - 3.25 AU

Year: 3367 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,926,694 km

• M1: 138,079 km (0.105 R)
• M2: 654,640 km (0.071 R)
• M3: 1,118,992 km (0.056 R)
• M4: 1,497,923 km (0.093 R)
• M5: 1,941,481 km (0.104 R)
• M6: 2,619,309 km (0.062 R)
• M7: 3,128,839 km (0.12 R)
• M8: 5,328,377 km (0.119 R)
• M9: 5,979,277 km (0.096 R)
• M10: 6,501,823 km (0.079 R)
• M11: 7,724,187 km (0.071 R)
• M12: 8,998,013 km (0.065 R)
• M13: 10,058,811 km (0.116 R)
• M14: 15,283,218 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.2

Radius: 12.1

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.4 AU - 4.46 AU

Year: 6324 Days

Day: 12.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,926,694 km

• M1: 152,889 km (0.075 R)
• M2: 1,127,070 km (0.063 R)
• M3: 1,667,268 km (0.052 R)
• M4: 2,342,403 km (0.095 R)
• M5: 2,763,821 km (0.1 R)
• M6: 3,666,494 km (0.093 R)
• M7: 5,984,214 km (0.091 R)
• M8: 6,780,224 km (0.114 R)
• M9: 7,963,394 km (0.076 R)
• M10: 8,970,337 km (0.087 R)
• M11: 10,491,149 km (0.042 R)
• M12: 12,722,252 km (0.1 R)
• M13: 13,340,540 km (0.074 R)
• M14: 14,275,377 km (0.089 R)
• M15: 16,870,152 km (0.076 R)
• M16: 20,366,105 km (0.07 R)
• M17: 22,002,256 km (0.097 R)
• M18: 22,893,561 km (0.074 R)
• M19: 23,640,503 km (0.103 R)
• M20: 25,534,861 km (0.089 R)
• M21: 32,754,005 km (0.11 R)
• M22: 33,702,605 km (0.117 R)
• M23: 34,886,672 km (0.03 R)
• M24: 36,098,265 km (0.119 R)
• M25: 37,680,562 km (0.036 R)
• M26: 39,545,150 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.8

Radius: 6.3

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.36 AU - 8.42 AU

Year: 16483 Days

Day: 17.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,926,694 km

• M1: 112,797 km (0.1 R)
• M2: 380,876 km (0.115 R)
• M3: 645,515 km (0.102 R)
• M4: 939,325 km (0.076 R)
• M5: 1,196,185 km (0.053 R)
• M6: 3,447,034 km (0.076 R)
• M7: 3,911,087 km (0.088 R)
• M8: 6,150,866 km (0.086 R)
• M9: 6,701,237 km (0.119 R)
• M10: 8,861,879 km (0.064 R)
• M11: 13,566,133 km (0.077 R)
• M12: 14,643,687 km (0.081 R)
• M13: 22,137,942 km (0.038 R)
• M14: 25,717,071 km (0.028 R)
• M15: 30,982,766 km (0.082 R)
• M16: 33,866,564 km (0.116 R)
• M17: 38,449,794 km (0.12 R)
• M18: 42,072,008 km (0.081 R)
• M19: 42,973,933 km (0.105 R)
• M20: 49,153,522 km (0.096 R)
• M21: 50,153,883 km (0.103 R)
• M22: 52,022,959 km (0.117 R)
• M23: 53,762,034 km (0.089 R)
• M24: 55,180,970 km (0.113 R)
• M25: 60,153,902 km (0.116 R)
• M26: 62,262,783 km (0.114 R)
• M27: 66,020,532 km (0.088 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 12,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit