🌌 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: 31.8

Radius: 12.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.69 AU - 0.79 AU

Year: 447 Days

Day: 6.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 91,474,417 km

• M1: 160,369 km (0.11 R)
• M2: 599,139 km (0.104 R)
• M3: 1,043,146 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 11.1

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.58 AU - 1.76 AU

Year: 1517 Days

Day: 13.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,474,417 km

• M1: 138,079 km (0.101 R)
• M2: 629,059 km (0.113 R)
• M3: 1,035,217 km (0.115 R)
• M4: 1,815,520 km (0.073 R)
• M5: 2,478,388 km (0.103 R)
• M6: 2,895,168 km (0.114 R)
• M7: 3,327,505 km (0.117 R)
• M8: 4,211,479 km (0.035 R)
• M9: 4,728,938 km (0.05 R)
• M10: 5,160,229 km (0.091 R)
• M11: 5,776,423 km (0.111 R)
• M12: 6,174,054 km (0.049 R)
• M13: 6,741,030 km (0.105 R)
• M14: 7,753,957 km (0.079 R)
• M15: 8,122,865 km (0.064 R)
• M16: 8,622,971 km (0.055 R)
• M17: 9,587,877 km (0.07 R)
• M18: 11,694,963 km (0.113 R)
• M19: 13,762,107 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.6

Radius: 9.4

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.38 AU - 3 AU

Year: 3101 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,474,417 km

• M1: 116,986 km (0.11 R)
• M2: 529,726 km (0.071 R)
• M3: 1,145,022 km (0.1 R)
• M4: 1,561,802 km (0.114 R)
• M5: 1,908,869 km (0.075 R)
• M6: 3,194,513 km (0.039 R)
• M7: 3,638,220 km (0.114 R)
• M8: 4,122,618 km (0.068 R)
• M9: 5,198,825 km (0.114 R)
• M10: 5,673,649 km (0.111 R)
• M11: 6,127,828 km (0.098 R)
• M12: 6,841,260 km (0.094 R)
• M13: 8,617,286 km (0.117 R)
• M14: 8,930,095 km (0.086 R)
• M15: 9,712,193 km (0.076 R)
• M16: 10,293,231 km (0.032 R)
• M17: 11,713,812 km (0.059 R)
• M18: 12,293,504 km (0.086 R)
• M19: 13,096,097 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.8

Radius: 11.8

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.25 AU - 3.43 AU

Year: 3364 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,474,417 km

• M1: 146,756 km (0.115 R)
• M2: 516,711 km (0.09 R)
• M3: 958,922 km (0.116 R)
• M4: 1,362,986 km (0.073 R)
• M5: 2,001,919 km (0.04 R)
• M6: 2,911,474 km (0.073 R)
• M7: 3,310,601 km (0.081 R)
• M8: 4,580,388 km (0.119 R)
• M9: 5,053,416 km (0.105 R)
• M10: 6,986,669 km (0.117 R)
• M11: 7,492,759 km (0.106 R)
• M12: 8,281,589 km (0.077 R)
• M13: 10,024,254 km (0.065 R)
• M14: 11,916,069 km (0.111 R)
• M15: 13,619,989 km (0.069 R)
• M16: 14,222,419 km (0.114 R)
• M17: 15,331,837 km (0.112 R)
• M18: 16,498,252 km (0.063 R)
• M19: 16,970,382 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.4

Radius: 12.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.55 AU - 3.93 AU

Year: 5084 Days

Day: 7.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,474,417 km

• M1: 160,519 km (0.09 R)
• M2: 589,565 km (0.097 R)
• M3: 1,205,310 km (0.092 R)
• M4: 1,661,434 km (0.058 R)
• M5: 2,274,037 km (0.105 R)
• M6: 2,857,020 km (0.084 R)
• M7: 3,859,326 km (0.044 R)
• M8: 4,262,492 km (0.118 R)
• M9: 5,036,811 km (0.103 R)
• M10: 5,445,662 km (0.051 R)
• M11: 6,524,262 km (0.097 R)
• M12: 7,248,914 km (0.063 R)
• M13: 10,083,046 km (0.115 R)
• M14: 10,657,652 km (0.117 R)
• M15: 11,872,386 km (0.066 R)
• M16: 12,864,669 km (0.081 R)
• M17: 13,587,077 km (0.077 R)
• M18: 16,226,283 km (0.082 R)
• M19: 18,053,471 km (0.096 R)
• M20: 18,844,395 km (0.064 R)
• M21: 19,835,780 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.8

Radius: 5.1

Gravity: 37.36 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.47 AU - 8.81 AU

Year: 17852 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,474,417 km

• M1: 63,729 km (0.097 R)
• M2: 341,532 km (0.103 R)
• M3: 632,799 km (0.08 R)
• M4: 1,820,606 km (0.118 R)
• M5: 2,909,529 km (0.11 R)
• M6: 6,492,697 km (0.119 R)
• M7: 8,391,094 km (0.05 R)
• M8: 9,323,837 km (0.117 R)
• M9: 10,630,724 km (0.093 R)
• M10: 11,007,262 km (0.079 R)
• M11: 11,392,775 km (0.066 R)
• M12: 15,918,560 km (0.089 R)
• M13: 17,863,033 km (0.045 R)
• M14: 18,395,302 km (0.092 R)
• M15: 20,150,235 km (0.092 R)
• M16: 21,117,385 km (0.04 R)
• M17: 24,636,825 km (0.109 R)
• M18: 24,855,387 km (0.101 R)
• M19: 29,870,057 km (0.058 R)
• M20: 30,493,581 km (0.1 R)
• M21: 34,146,761 km (0.115 R)
• M22: 34,418,281 km (0.071 R)
• M23: 35,103,589 km (0.1 R)
• M24: 44,371,476 km (0.05 R)
• M25: 44,857,071 km (0.103 R)
• M26: 45,510,215 km (0.099 R)
• M27: 53,665,843 km (0.049 R)
• M28: 68,178,332 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.1

Radius: 3.6

Gravity: 75.7 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.58 AU - 12.3 AU

Year: 22029 Days

Day: 23.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,474,417 km

• M1: 44,879 km (0.115 R)
• M2: 227,688 km (0.113 R)
• M3: 776,263 km (0.07 R)
• M4: 1,086,230 km (0.055 R)
• M5: 2,030,342 km (0.111 R)
• M6: 3,068,851 km (0.059 R)
• M7: 4,204,747 km (0.047 R)
• M8: 4,527,430 km (0.109 R)
• M9: 4,713,679 km (0.103 R)
• M10: 5,303,095 km (0.079 R)
• M11: 7,314,139 km (0.058 R)
• M12: 7,833,094 km (0.077 R)
• M13: 8,376,284 km (0.055 R)
• M14: 8,828,518 km (0.069 R)
• M15: 12,533,160 km (0.112 R)
• M16: 12,900,572 km (0.091 R)
• M17: 13,274,866 km (0.113 R)
• M18: 14,845,345 km (0.061 R)
• M19: 16,015,350 km (0.079 R)
• M20: 16,273,855 km (0.103 R)
• M21: 18,918,147 km (0.11 R)
• M22: 19,401,198 km (0.041 R)
• M23: 19,596,723 km (0.054 R)
• M24: 25,037,896 km (0.1 R)
• M25: 25,153,685 km (0.075 R)
• M26: 28,288,808 km (0.086 R)
• M27: 28,920,260 km (0.096 R)
• M28: 31,405,081 km (0.058 R)
• M29: 34,028,728 km (0.089 R)
• M30: 34,742,609 km (0.068 R)
• M31: 40,021,918 km (0.107 R)
• M32: 44,611,581 km (0.066 R)
• M33: 55,208,945 km (0.069 R)
• M34: 56,790,643 km (0.119 R)
• M35: 57,391,428 km (0.066 R)
• M36: 59,014,415 km (0.118 R)
• M37: 65,592,234 km (0.113 R)
• M38: 67,814,061 km (0.084 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 14,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit