🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.5

Radius: 13.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.71 AU - 1.01 AU

Year: 561 Days

Day: 8.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,091,387 km

• M1: 170,392 km (0.072 R)
• M2: 601,383 km (0.055 R)
• M3: 1,061,247 km (0.109 R)
• M4: 1,618,948 km (0.04 R)
• M5: 2,443,532 km (0.074 R)
• M6: 3,629,095 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.7

Radius: 14.1

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.83 AU - 0.91 AU

Year: 570 Days

Day: 5.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 41,091,387 km

• M1: 176,525 km (0.107 R)
• M2: 674,986 km (0.086 R)
• M3: 1,408,763 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.8

Radius: 9.4

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.95 AU - 1.11 AU

Year: 735 Days

Day: 7.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,091,387 km

• M1: 116,836 km (0.045 R)
• M2: 447,746 km (0.102 R)
• M3: 750,832 km (0.107 R)
• M4: 1,388,119 km (0.108 R)
• M5: 1,838,707 km (0.097 R)
• M6: 2,163,484 km (0.064 R)
• M7: 2,674,361 km (0.078 R)
• M8: 3,104,006 km (0.086 R)
• M9: 3,961,052 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.6

Radius: 10.7

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.05 AU - 1.71 AU

Year: 1140 Days

Day: 13.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,091,387 km

• M1: 133,142 km (0.039 R)
• M2: 619,335 km (0.091 R)
• M3: 1,014,124 km (0.107 R)
• M4: 1,536,221 km (0.07 R)
• M5: 2,511,449 km (0.08 R)
• M6: 2,988,517 km (0.076 R)
• M7: 3,510,015 km (0.091 R)
• M8: 3,923,653 km (0.094 R)
• M9: 4,387,706 km (0.049 R)
• M10: 5,063,290 km (0.05 R)
• M11: 5,614,408 km (0.054 R)
• M12: 6,296,126 km (0.067 R)
• M13: 6,645,287 km (0.116 R)
• M14: 7,331,941 km (0.119 R)
• M15: 7,771,460 km (0.115 R)
• M16: 8,201,254 km (0.066 R)
• M17: 8,818,046 km (0.047 R)
• M18: 9,525,794 km (0.115 R)
• M19: 10,271,091 km (0.075 R)
• M20: 11,392,925 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.7

Radius: 11.1

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.39 AU - 2.73 AU

Year: 2879 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,091,387 km

• M1: 139,724 km (0.085 R)
• M2: 670,797 km (0.101 R)
• M3: 1,234,631 km (0.093 R)
• M4: 1,711,100 km (0.079 R)
• M5: 2,516,685 km (0.117 R)
• M6: 3,076,181 km (0.035 R)
• M7: 3,985,138 km (0.112 R)
• M8: 4,629,905 km (0.102 R)
• M9: 8,622,073 km (0.107 R)
• M10: 9,509,338 km (0.11 R)
• M11: 12,862,425 km (0.117 R)
• M12: 13,336,650 km (0.096 R)
• M13: 14,932,859 km (0.079 R)
• M14: 15,403,794 km (0.084 R)
• M15: 17,273,468 km (0.104 R)
• M16: 18,381,689 km (0.101 R)
• M17: 21,524,441 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.9

Radius: 13.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.21 AU - 3.31 AU

Year: 4137 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,091,387 km

• M1: 167,998 km (0.108 R)
• M2: 776,413 km (0.088 R)
• M3: 1,286,691 km (0.057 R)
• M4: 2,204,025 km (0.059 R)
• M5: 2,984,926 km (0.093 R)
• M6: 3,787,818 km (0.084 R)
• M7: 4,690,641 km (0.083 R)
• M8: 5,530,184 km (0.069 R)
• M9: 6,151,764 km (0.036 R)
• M10: 7,000,732 km (0.111 R)
• M11: 9,275,068 km (0.101 R)
• M12: 10,154,703 km (0.104 R)
• M13: 10,597,812 km (0.049 R)
• M14: 12,308,614 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.7

Radius: 4.2

Gravity: 26.46 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.67 AU - 6.77 AU

Year: 9616 Days

Day: 16 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,091,387 km

• M1: 52,210 km (0.111 R)
• M2: 236,514 km (0.12 R)
• M3: 551,567 km (0.119 R)
• M4: 972,536 km (0.117 R)
• M5: 1,239,718 km (0.113 R)
• M6: 1,595,162 km (0.064 R)
• M7: 1,781,860 km (0.068 R)
• M8: 2,182,035 km (0.108 R)
• M9: 2,430,816 km (0.112 R)
• M10: 2,562,312 km (0.088 R)
• M11: 3,407,092 km (0.073 R)
• M12: 3,596,034 km (0.113 R)
• M13: 4,020,892 km (0.102 R)
• M14: 4,285,829 km (0.105 R)
• M15: 5,306,236 km (0.09 R)
• M16: 7,493,507 km (0.098 R)
• M17: 7,652,380 km (0.073 R)
• M18: 7,976,858 km (0.062 R)
• M19: 8,352,947 km (0.102 R)
• M20: 8,740,555 km (0.064 R)
• M21: 9,927,913 km (0.118 R)
• M22: 12,450,582 km (0.082 R)
• M23: 14,310,383 km (0.1 R)
• M24: 14,802,709 km (0.077 R)
• M25: 15,821,172 km (0.112 R)
• M26: 16,547,768 km (0.1 R)
• M27: 17,227,541 km (0.053 R)
• M28: 17,365,620 km (0.086 R)
• M29: 21,380,976 km (0.086 R)
• M30: 22,679,935 km (0.058 R)
• M31: 25,973,781 km (0.051 R)
• M32: 26,613,312 km (0.105 R)
• M33: 28,306,311 km (0.101 R)
• M34: 29,081,228 km (0.088 R)
• M35: 33,813,308 km (0.097 R)
• M36: 37,739,653 km (0.103 R)
• M37: 40,478,940 km (0.075 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 11,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit