🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.1

Radius: 14.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.47 AU - 0.55 AU

Year: 256 Days

Day: 9.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,466,303 km

• M1: 185,352 km (0.112 R)
• M2: 724,054 km (0.086 R)
• M3: 1,224,907 km (0.086 R)
• M4: 1,790,986 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.7

Radius: 12.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.49 AU - 0.69 AU

Year: 319 Days

Day: 10.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,466,303 km

• M1: 150,495 km (0.088 R)
• M2: 550,520 km (0.1 R)
• M3: 1,199,177 km (0.119 R)
• M4: 1,616,704 km (0.104 R)
• M5: 2,226,166 km (0.075 R)
• M6: 2,851,635 km (0.034 R)
• M7: 3,235,204 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 11.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.62 AU - 0.62 AU

Year: 343 Days

Day: 6.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,466,303 km

• M1: 143,614 km (0.115 R)
• M2: 516,861 km (0.107 R)
• M3: 946,057 km (0.12 R)
• M4: 1,531,733 km (0.109 R)
• M5: 1,909,318 km (0.095 R)
• M6: 2,626,340 km (0.103 R)
• M7: 3,951,329 km (0.078 R)
• M8: 4,475,669 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.4

Radius: 13

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.84 AU - 1.28 AU

Year: 767 Days

Day: 10.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,466,303 km

• M1: 162,014 km (0.099 R)
• M2: 694,882 km (0.116 R)
• M3: 1,335,161 km (0.089 R)
• M4: 1,778,120 km (0.092 R)
• M5: 2,227,811 km (0.111 R)
• M6: 4,560,192 km (0.099 R)
• M7: 5,626,974 km (0.09 R)
• M8: 6,875,817 km (0.094 R)
• M9: 8,583,327 km (0.085 R)
• M10: 9,165,712 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.9

Radius: 8.1

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.5 AU - 2.06 AU

Year: 1669 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,466,303 km

• M1: 101,427 km (0.074 R)
• M2: 386,262 km (0.098 R)
• M3: 782,995 km (0.051 R)
• M4: 1,085,183 km (0.11 R)
• M5: 1,598,902 km (0.092 R)
• M6: 1,985,762 km (0.098 R)
• M7: 2,265,809 km (0.118 R)
• M8: 3,048,356 km (0.118 R)
• M9: 3,879,372 km (0.069 R)
• M10: 4,193,677 km (0.049 R)
• M11: 4,562,735 km (0.045 R)
• M12: 5,936,791 km (0.08 R)
• M13: 7,045,013 km (0.084 R)
• M14: 9,047,380 km (0.047 R)
• M15: 9,383,676 km (0.119 R)
• M16: 9,951,849 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.3

Radius: 15

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4 AU - 5.92 AU

Year: 7765 Days

Day: 13 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,466,303 km

• M1: 186,549 km (0.032 R)
• M2: 707,598 km (0.1 R)
• M3: 1,551,330 km (0.108 R)
• M4: 2,141,045 km (0.098 R)
• M5: 3,290,106 km (0.086 R)
• M6: 4,455,174 km (0.053 R)
• M7: 5,972,845 km (0.08 R)
• M8: 6,782,767 km (0.108 R)
• M9: 9,360,788 km (0.049 R)
• M10: 10,364,739 km (0.093 R)
• M11: 10,869,781 km (0.091 R)
• M12: 11,682,547 km (0.106 R)
• M13: 12,638,776 km (0.062 R)
• M14: 18,419,687 km (0.062 R)
• M15: 19,506,515 km (0.099 R)
• M16: 20,420,857 km (0.039 R)
• M17: 21,808,228 km (0.117 R)
• M18: 22,563,398 km (0.087 R)
• M19: 23,179,891 km (0.038 R)
• M20: 23,649,628 km (0.075 R)
• M21: 25,097,287 km (0.095 R)
• M22: 28,257,392 km (0.111 R)
• M23: 31,578,315 km (0.105 R)
• M24: 33,134,732 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 10

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.8 AU - 5.3 AU

Year: 7977 Days

Day: 6.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,466,303 km

• M1: 124,914 km (0.109 R)
• M2: 2,459,090 km (0.103 R)
• M3: 4,960,067 km (0.079 R)
• M4: 8,875,193 km (0.099 R)
• M5: 16,470,277 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.5

Radius: 3.4

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.05 AU - 7.25 AU

Year: 10721 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,466,303 km

• M1: 324,328 km (0.098 R)
• M2: 440,566 km (0.066 R)
• M3: 1,421,629 km (0.095 R)
• M4: 1,673,402 km (0.076 R)
• M5: 1,866,832 km (0.077 R)
• M6: 2,644,591 km (0.11 R)
• M7: 2,811,393 km (0.11 R)
• M8: 3,964,194 km (0.079 R)
• M9: 4,307,820 km (0.065 R)
• M10: 10,379,399 km (0.093 R)
• M11: 12,827,419 km (0.118 R)
• M12: 12,985,544 km (0.081 R)
• M13: 16,612,544 km (0.091 R)
• M14: 17,891,606 km (0.103 R)
• M15: 18,221,320 km (0.075 R)
• M16: 19,720,291 km (0.096 R)
• M17: 19,860,613 km (0.097 R)
• M18: 27,839,715 km (0.097 R)
• M19: 29,000,295 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.4

Radius: 7.1

Gravity: 17.98 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.67 AU - 6.93 AU

Year: 11115 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,466,303 km

• M1: 88,263 km (0.095 R)
• M2: 493,673 km (0.079 R)
• M3: 810,671 km (0.072 R)
• M4: 1,045,240 km (0.087 R)
• M5: 1,477,578 km (0.06 R)
• M6: 1,850,376 km (0.088 R)
• M7: 2,304,106 km (0.107 R)
• M8: 3,109,242 km (0.117 R)
• M9: 4,059,787 km (0.092 R)
• M10: 4,295,104 km (0.12 R)
• M11: 5,123,727 km (0.076 R)
• M12: 5,504,603 km (0.072 R)
• M13: 5,830,278 km (0.028 R)
• M14: 7,263,126 km (0.117 R)
• M15: 8,293,108 km (0.076 R)
• M16: 8,529,323 km (0.106 R)
• M17: 10,806,352 km (0.106 R)
• M18: 12,265,978 km (0.096 R)
• M19: 13,720,818 km (0.072 R)
• M20: 16,076,685 km (0.101 R)
• M21: 16,968,886 km (0.067 R)
• M22: 17,581,789 km (0.113 R)
• M23: 19,759,336 km (0.104 R)
• M24: 21,572,761 km (0.072 R)
• M25: 22,565,492 km (0.117 R)
• M26: 22,841,500 km (0.078 R)
• M27: 27,464,823 km (0.074 R)
• M28: 29,498,456 km (0.098 R)
• M29: 30,946,414 km (0.074 R)
• M30: 39,166,967 km (0.107 R)
• M31: 43,277,318 km (0.077 R)
• M32: 44,276,033 km (0.077 R)
• M33: 54,791,866 km (0.057 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 10,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit