🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.7

Radius: 13.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1 AU - 1.2 AU

Year: 745 Days

Day: 10.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,293,137 km

• M1: 169,195 km (0.085 R)
• M2: 656,585 km (0.095 R)
• M3: 1,079,797 km (0.04 R)
• M4: 1,555,668 km (0.06 R)
• M5: 2,142,242 km (0.087 R)
• M6: 2,817,227 km (0.075 R)
• M7: 3,419,209 km (0.112 R)
• M8: 3,959,108 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.2

Radius: 14.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.1 AU - 2.32 AU

Year: 2121 Days

Day: 9.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,293,137 km

• M1: 181,612 km (0.082 R)
• M2: 787,184 km (0.114 R)
• M3: 1,757,177 km (0.116 R)
• M4: 2,293,784 km (0.1 R)
• M5: 2,880,507 km (0.08 R)
• M6: 3,498,645 km (0.053 R)
• M7: 3,959,257 km (0.108 R)
• M8: 4,500,951 km (0.085 R)
• M9: 5,806,791 km (0.116 R)
• M10: 6,509,303 km (0.051 R)
• M11: 7,324,162 km (0.062 R)
• M12: 8,024,430 km (0.086 R)
• M13: 8,832,857 km (0.12 R)
• M14: 12,018,244 km (0.046 R)
• M15: 14,600,902 km (0.098 R)
• M16: 15,950,424 km (0.082 R)
• M17: 16,483,591 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.7

Radius: 13.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.02 AU - 2.58 AU

Year: 2252 Days

Day: 8.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,293,137 km

• M1: 171,589 km (0.088 R)
• M2: 616,642 km (0.05 R)
• M3: 1,321,099 km (0.087 R)
• M4: 1,898,397 km (0.119 R)
• M5: 2,348,836 km (0.112 R)
• M6: 2,991,359 km (0.099 R)
• M7: 3,713,767 km (0.103 R)
• M8: 4,777,857 km (0.063 R)
• M9: 5,531,830 km (0.108 R)
• M10: 6,011,590 km (0.117 R)
• M11: 6,783,665 km (0.12 R)
• M12: 7,914,924 km (0.06 R)
• M13: 8,843,179 km (0.095 R)
• M14: 9,367,220 km (0.029 R)
• M15: 10,334,371 km (0.102 R)
• M16: 11,948,083 km (0.109 R)
• M17: 15,155,910 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184

Radius: 9.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.12 AU - 2.92 AU

Year: 2583 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,293,137 km

• M1: 157,676 km (0.11 R)
• M2: 470,635 km (0.118 R)
• M3: 1,250,339 km (0.093 R)
• M4: 2,219,434 km (0.072 R)
• M5: 3,657,967 km (0.098 R)
• M6: 4,509,179 km (0.113 R)
• M7: 5,011,678 km (0.047 R)
• M8: 6,221,177 km (0.104 R)
• M9: 6,844,551 km (0.094 R)
• M10: 11,318,724 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.4

Radius: 10.8

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.4 AU - 2.74 AU

Year: 2660 Days

Day: 13.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,293,137 km

• M1: 137,032 km (0.05 R)
• M2: 539,450 km (0.117 R)
• M3: 1,334,263 km (0.099 R)
• M4: 1,740,721 km (0.066 R)
• M5: 2,857,619 km (0.09 R)
• M6: 3,213,961 km (0.068 R)
• M7: 3,794,700 km (0.109 R)
• M8: 5,910,911 km (0.107 R)
• M9: 7,392,379 km (0.094 R)
• M10: 8,202,900 km (0.08 R)
• M11: 8,822,534 km (0.034 R)
• M12: 9,547,187 km (0.108 R)
• M13: 9,924,024 km (0.119 R)
• M14: 14,018,966 km (0.104 R)
• M15: 15,619,514 km (0.103 R)
• M16: 16,517,849 km (0.098 R)
• M17: 20,896,130 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.4

Radius: 12.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.87 AU - 6.15 AU

Year: 7241 Days

Day: 13.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,293,137 km

• M1: 174,581 km (0.032 R)
• M2: 595,848 km (0.064 R)
• M3: 1,105,977 km (0.115 R)
• M4: 2,897,561 km (0.115 R)
• M5: 6,180,187 km (0.116 R)
• M6: 12,389,995 km (0.081 R)
• M7: 13,448,400 km (0.097 R)
• M8: 14,681,385 km (0.113 R)
• M9: 16,172,427 km (0.077 R)
• M10: 25,588,417 km (0.08 R)
• M11: 26,350,319 km (0.107 R)
• M12: 26,866,730 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.6

Radius: 8.9

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.77 AU - 6.79 AU

Year: 8972 Days

Day: 14.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,293,137 km

• M1: 110,702 km (0.057 R)
• M2: 455,974 km (0.091 R)
• M3: 889,060 km (0.112 R)
• M4: 1,557,763 km (0.118 R)
• M5: 1,850,226 km (0.056 R)
• M6: 2,359,009 km (0.071 R)
• M7: 2,789,402 km (0.102 R)
• M8: 3,833,745 km (0.067 R)
• M9: 5,025,591 km (0.113 R)
• M10: 6,411,316 km (0.068 R)
• M11: 6,708,866 km (0.085 R)
• M12: 7,093,931 km (0.084 R)
• M13: 7,372,183 km (0.091 R)
• M14: 7,740,643 km (0.094 R)
• M15: 8,121,369 km (0.048 R)
• M16: 10,571,184 km (0.102 R)
• M17: 11,468,921 km (0.112 R)
• M18: 14,152,108 km (0.077 R)
• M19: 15,175,956 km (0.112 R)
• M20: 15,572,390 km (0.08 R)
• M21: 21,047,074 km (0.101 R)
• M22: 23,240,328 km (0.111 R)
• M23: 29,894,741 km (0.104 R)
• M24: 33,319,934 km (0.077 R)
• M25: 35,821,061 km (0.049 R)
• M26: 42,095,046 km (0.08 R)

Asteroid Belt

Center: 6.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.4

Radius: 4.8

Gravity: 41.25 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.12 AU - 6.5 AU

Year: 10234 Days

Day: 24 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,293,137 km

• M1: 59,989 km (0.031 R)
• M2: 526,884 km (0.027 R)
• M3: 800,049 km (0.049 R)
• M4: 1,012,927 km (0.094 R)
• M5: 1,409,960 km (0.091 R)
• M6: 1,738,776 km (0.093 R)
• M7: 2,762,474 km (0.099 R)
• M8: 2,988,816 km (0.056 R)
• M9: 4,164,506 km (0.114 R)
• M10: 4,371,699 km (0.071 R)
• M11: 5,001,655 km (0.093 R)
• M12: 5,168,307 km (0.08 R)
• M13: 6,637,508 km (0.11 R)
• M14: 7,685,291 km (0.077 R)
• M15: 7,907,444 km (0.061 R)
• M16: 9,841,296 km (0.104 R)
• M17: 11,141,601 km (0.098 R)
• M18: 12,010,016 km (0.107 R)
• M19: 12,248,924 km (0.094 R)
• M20: 12,798,397 km (0.068 R)
• M21: 13,236,868 km (0.114 R)
• M22: 14,143,731 km (0.08 R)
• M23: 19,634,870 km (0.053 R)
• M24: 19,966,678 km (0.067 R)
• M25: 25,895,391 km (0.083 R)
• M26: 26,900,540 km (0.096 R)
• M27: 27,931,418 km (0.078 R)
• M28: 28,668,637 km (0.079 R)
• M29: 28,881,515 km (0.089 R)
• M30: 36,019,427 km (0.098 R)
• M31: 37,907,203 km (0.064 R)
• M32: 38,810,475 km (0.092 R)
• M33: 41,605,861 km (0.091 R)
• M34: 44,818,176 km (0.106 R)
• M35: 48,795,534 km (0.105 R)
• M36: 53,806,465 km (0.034 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 13,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit