🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.9

Radius: 14.6

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.58 AU - 0.66 AU

Year: 331 Days

Day: 13.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,760,491 km

• M1: 185,950 km (0.06 R)
• M2: 776,563 km (0.094 R)
• M3: 1,315,564 km (0.087 R)
• M4: 1,876,705 km (0.115 R)
• M5: 2,488,561 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.5

Radius: 12.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.64 AU - 0.82 AU

Year: 423 Days

Day: 12.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,760,491 km

• M1: 151,842 km (0.049 R)
• M2: 543,938 km (0.092 R)
• M3: 1,059,901 km (0.117 R)
• M4: 1,568,534 km (0.114 R)
• M5: 2,008,950 km (0.098 R)
• M6: 3,564,917 km (0.074 R)
• M7: 4,151,491 km (0.073 R)
• M8: 4,757,960 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.9

Radius: 8.6

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.02 AU - 1.48 AU

Year: 948 Days

Day: 7.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,760,491 km

• M1: 106,962 km (0.085 R)
• M2: 715,227 km (0.103 R)
• M3: 1,007,841 km (0.072 R)
• M4: 1,328,429 km (0.066 R)
• M5: 1,984,117 km (0.096 R)
• M6: 2,789,252 km (0.12 R)
• M7: 3,734,412 km (0.101 R)
• M8: 6,263,812 km (0.085 R)
• M9: 6,716,944 km (0.07 R)
• M10: 7,997,801 km (0.061 R)
• M11: 8,723,650 km (0.074 R)
• M12: 9,318,003 km (0.077 R)
• M13: 10,524,659 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 13.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.18 AU - 1.42 AU

Year: 1005 Days

Day: 8.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,760,491 km

• M1: 172,935 km (0.099 R)
• M2: 1,127,818 km (0.085 R)
• M3: 1,568,982 km (0.048 R)
• M4: 2,197,144 km (0.074 R)
• M5: 3,236,251 km (0.103 R)
• M6: 3,759,993 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.8

Radius: 12.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.64 AU - 5.2 AU

Year: 7402 Days

Day: 9.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,760,491 km

• M1: 159,322 km (0.113 R)
• M2: 1,118,693 km (0.103 R)
• M3: 1,726,060 km (0.083 R)
• M4: 2,370,528 km (0.104 R)
• M5: 3,001,532 km (0.034 R)
• M6: 3,742,191 km (0.092 R)
• M7: 4,309,466 km (0.108 R)
• M8: 4,804,036 km (0.054 R)
• M9: 6,363,145 km (0.071 R)
• M10: 8,053,153 km (0.095 R)
• M11: 9,121,281 km (0.104 R)
• M12: 10,987,515 km (0.081 R)
• M13: 12,744,243 km (0.041 R)
• M14: 13,768,240 km (0.091 R)
• M15: 16,627,803 km (0.1 R)
• M16: 17,787,785 km (0.116 R)
• M17: 19,329,092 km (0.08 R)
• M18: 21,449,642 km (0.029 R)
• M19: 22,021,255 km (0.036 R)
• M20: 22,676,344 km (0.109 R)
• M21: 24,102,012 km (0.097 R)
• M22: 26,148,661 km (0.118 R)
• M23: 27,884,445 km (0.034 R)
• M24: 28,910,088 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.2

Radius: 5.7

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.95 AU - 10.67 AU

Year: 22453 Days

Day: 19.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,760,491 km

• M1: 71,807 km (0.084 R)
• M2: 259,552 km (0.11 R)
• M3: 663,018 km (0.044 R)
• M4: 1,040,304 km (0.103 R)
• M5: 1,551,180 km (0.119 R)
• M6: 1,862,942 km (0.097 R)
• M7: 3,293,547 km (0.094 R)
• M8: 3,946,691 km (0.092 R)
• M9: 4,289,420 km (0.073 R)
• M10: 5,897,896 km (0.086 R)
• M11: 6,081,901 km (0.097 R)
• M12: 6,856,669 km (0.077 R)
• M13: 7,870,793 km (0.103 R)
• M14: 10,087,684 km (0.107 R)
• M15: 11,113,775 km (0.097 R)
• M16: 13,883,131 km (0.059 R)
• M17: 15,150,225 km (0.071 R)
• M18: 15,989,020 km (0.053 R)
• M19: 16,565,271 km (0.089 R)
• M20: 18,298,812 km (0.108 R)
• M21: 21,163,312 km (0.091 R)
• M22: 22,746,805 km (0.098 R)
• M23: 24,502,186 km (0.045 R)
• M24: 26,445,463 km (0.065 R)
• M25: 29,228,731 km (0.073 R)
• M26: 33,119,024 km (0.047 R)
• M27: 33,351,200 km (0.075 R)
• M28: 35,611,474 km (0.099 R)
• M29: 40,170,170 km (0.077 R)
• M30: 41,502,339 km (0.078 R)
• M31: 45,245,577 km (0.12 R)
• M32: 47,272,478 km (0.051 R)
• M33: 49,813,847 km (0.066 R)
• M34: 50,578,292 km (0.096 R)
• M35: 52,602,650 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 12,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit