🌌 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: 501.4

Radius: 8.8

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.71 AU - 0.77 AU

Year: 411 Days

Day: 6.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,176,676 km

• M1: 109,506 km (0.11 R)
• M2: 401,221 km (0.1 R)
• M3: 859,141 km (0.106 R)
• M4: 1,133,054 km (0.045 R)
• M5: 1,448,107 km (0.098 R)
• M6: 1,814,473 km (0.109 R)
• M7: 2,108,881 km (0.112 R)
• M8: 3,368,495 km (0.066 R)
• M9: 4,068,912 km (0.116 R)
• M10: 4,747,937 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.6

Radius: 14.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.61 AU - 0.95 AU

Year: 445 Days

Day: 8.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,176,676 km

• M1: 179,069 km (0.038 R)
• M2: 704,756 km (0.068 R)
• M3: 1,861,895 km (0.072 R)
• M4: 3,131,233 km (0.112 R)
• M5: 3,607,702 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.2

Radius: 14.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.13 AU - 1.55 AU

Year: 1002 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,176,676 km

• M1: 180,415 km (0.083 R)
• M2: 742,903 km (0.071 R)
• M3: 1,937,442 km (0.118 R)
• M4: 2,998,839 km (0.058 R)
• M5: 4,261,295 km (0.111 R)
• M6: 7,147,188 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.5

Radius: 11.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.3 AU - 3.44 AU

Year: 3139 Days

Day: 12.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,176,676 km

• M1: 139,276 km (0.096 R)
• M2: 556,654 km (0.09 R)
• M3: 1,071,420 km (0.103 R)
• M4: 1,423,573 km (0.107 R)
• M5: 2,118,904 km (0.068 R)
• M6: 2,470,310 km (0.09 R)
• M7: 2,820,069 km (0.058 R)
• M8: 3,751,915 km (0.115 R)
• M9: 4,548,822 km (0.11 R)
• M10: 5,369,965 km (0.11 R)
• M11: 6,870,731 km (0.062 R)
• M12: 8,781,245 km (0.1 R)
• M13: 10,248,202 km (0.05 R)
• M14: 11,161,497 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19

Radius: 8.5

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.68 AU - 3.68 AU

Year: 4558 Days

Day: 12.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,176,676 km

• M1: 105,766 km (0.079 R)
• M2: 1,669,363 km (0.058 R)
• M3: 2,469,113 km (0.103 R)
• M4: 4,133,688 km (0.087 R)
• M5: 5,429,505 km (0.094 R)
• M6: 7,383,104 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.9

Radius: 13.1

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.19 AU - 4.61 AU

Year: 4973 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,176,676 km

• M1: 162,912 km (0.11 R)
• M2: 774,019 km (0.081 R)
• M3: 1,212,790 km (0.075 R)
• M4: 1,843,943 km (0.051 R)
• M5: 2,566,501 km (0.062 R)
• M6: 3,325,261 km (0.071 R)
• M7: 3,845,712 km (0.079 R)
• M8: 5,094,705 km (0.038 R)
• M9: 8,349,805 km (0.117 R)
• M10: 10,082,896 km (0.048 R)
• M11: 12,044,573 km (0.056 R)
• M12: 14,206,263 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.4

Radius: 9.4

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.25 AU - 6.41 AU

Year: 7945 Days

Day: 9.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,176,676 km

• M1: 116,986 km (0.117 R)
• M2: 612,005 km (0.092 R)
• M3: 1,182,870 km (0.049 R)
• M4: 1,758,822 km (0.07 R)
• M5: 2,624,395 km (0.095 R)
• M6: 3,003,925 km (0.077 R)
• M7: 3,306,861 km (0.113 R)
• M8: 4,129,051 km (0.071 R)
• M9: 4,422,562 km (0.034 R)
• M10: 5,081,690 km (0.046 R)
• M11: 5,419,332 km (0.1 R)
• M12: 5,739,322 km (0.097 R)
• M13: 6,595,172 km (0.109 R)
• M14: 8,179,264 km (0.096 R)
• M15: 8,774,214 km (0.066 R)
• M16: 9,860,744 km (0.097 R)
• M17: 10,436,546 km (0.101 R)
• M18: 11,446,032 km (0.072 R)
• M19: 12,464,046 km (0.029 R)
• M20: 13,658,136 km (0.073 R)
• M21: 15,621,907 km (0.059 R)
• M22: 17,076,597 km (0.042 R)
• M23: 17,696,979 km (0.101 R)
• M24: 19,129,529 km (0.1 R)
• M25: 19,573,984 km (0.095 R)
• M26: 20,329,902 km (0.104 R)
• M27: 23,381,250 km (0.077 R)
• M28: 28,896,773 km (0.103 R)
• M29: 29,679,021 km (0.047 R)
• M30: 30,980,073 km (0.082 R)
• M31: 33,374,537 km (0.091 R)
• M32: 34,671,551 km (0.117 R)
• M33: 38,177,227 km (0.107 R)
• M34: 38,528,632 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545

Radius: 7.7

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.93 AU - 7.15 AU

Year: 9585 Days

Day: 17.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 43,176,676 km

• M1: 96,640 km (0.091 R)
• M2: 410,347 km (0.087 R)
• M3: 698,772 km (0.092 R)
• M4: 1,282,353 km (0.115 R)
• M5: 1,534,126 km (0.061 R)
• M6: 2,139,399 km (0.119 R)
• M7: 4,047,670 km (0.106 R)
• M8: 4,625,865 km (0.12 R)
• M9: 5,611,117 km (0.088 R)
• M10: 6,014,582 km (0.079 R)
• M11: 6,294,181 km (0.102 R)
• M12: 8,632,396 km (0.075 R)
• M13: 9,447,854 km (0.084 R)
• M14: 9,874,357 km (0.094 R)
• M15: 11,872,386 km (0.108 R)
• M16: 12,651,043 km (0.076 R)
• M17: 13,463,210 km (0.114 R)
• M18: 13,821,796 km (0.108 R)
• M19: 14,495,734 km (0.109 R)
• M20: 15,843,013 km (0.117 R)
• M21: 16,993,121 km (0.112 R)
• M22: 18,125,577 km (0.077 R)
• M23: 19,840,418 km (0.086 R)
• M24: 21,742,255 km (0.053 R)
• M25: 28,075,182 km (0.11 R)
• M26: 31,606,589 km (0.039 R)
• M27: 32,134,071 km (0.108 R)
• M28: 36,799,431 km (0.115 R)
• M29: 41,016,744 km (0.083 R)
• M30: 42,278,303 km (0.095 R)
• M31: 42,661,722 km (0.073 R)
• M32: 42,918,732 km (0.117 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: 508 - 16,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit