🌌 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: 740.3

Radius: 12

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.61 AU - 0.63 AU

Year: 337 Days

Day: 11.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,158,825 km

• M1: 149,299 km (0.114 R)
• M2: 548,127 km (0.052 R)
• M3: 1,081,742 km (0.094 R)
• M4: 1,688,362 km (0.052 R)
• M5: 2,087,489 km (0.074 R)
• M6: 2,541,069 km (0.09 R)
• M7: 3,966,139 km (0.062 R)
• M8: 4,434,679 km (0.081 R)
• M9: 4,853,105 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.7

Radius: 8.1

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.61 AU - 0.65 AU

Year: 345 Days

Day: 5.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,158,825 km

• M1: 100,979 km (0.102 R)
• M2: 580,141 km (0.117 R)
• M3: 1,007,542 km (0.084 R)
• M4: 1,332,019 km (0.062 R)
• M5: 1,711,549 km (0.074 R)
• M6: 2,238,583 km (0.097 R)
• M7: 2,880,058 km (0.071 R)
• M8: 3,299,979 km (0.07 R)
• M9: 4,371,250 km (0.072 R)
• M10: 4,636,337 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.4

Radius: 10.6

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.87 AU - 1.05 AU

Year: 649 Days

Day: 7 Hours

Environment

Temp: -167 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,158,825 km

• M1: 131,945 km (0.111 R)
• M2: 563,984 km (0.116 R)
• M3: 920,775 km (0.095 R)
• M4: 1,885,532 km (0.094 R)
• M5: 2,325,050 km (0.118 R)
• M6: 2,810,944 km (0.071 R)
• M7: 3,731,719 km (0.118 R)
• M8: 5,247,145 km (0.074 R)
• M9: 5,639,092 km (0.093 R)
• M10: 6,578,716 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.1

Radius: 8.5

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.04 AU - 1.16 AU

Year: 796 Days

Day: 11.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,158,825 km

• M1: 106,364 km (0.11 R)
• M2: 408,253 km (0.11 R)
• M3: 682,465 km (0.089 R)
• M4: 1,028,336 km (0.1 R)
• M5: 1,316,312 km (0.105 R)
• M6: 1,637,049 km (0.115 R)
• M7: 1,911,711 km (0.078 R)
• M8: 2,354,222 km (0.06 R)
• M9: 2,758,136 km (0.093 R)
• M10: 3,469,025 km (0.101 R)
• M11: 3,966,887 km (0.082 R)
• M12: 4,570,365 km (0.044 R)
• M13: 5,121,483 km (0.113 R)
• M14: 5,546,640 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.8

Radius: 9.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.9 AU - 1.44 AU

Year: 874 Days

Day: 9.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,158,825 km

• M1: 121,922 km (0.086 R)
• M2: 552,315 km (0.032 R)
• M3: 907,760 km (0.095 R)
• M4: 1,335,460 km (0.107 R)
• M5: 2,486,765 km (0.119 R)
• M6: 3,746,080 km (0.067 R)
• M7: 4,613,150 km (0.098 R)
• M8: 5,778,068 km (0.032 R)
• M9: 6,429,417 km (0.076 R)
• M10: 7,668,686 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.5

Radius: 11.9

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.16 AU - 1.62 AU

Year: 1131 Days

Day: 9.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,158,825 km

• M1: 148,102 km (0.08 R)
• M2: 731,833 km (0.081 R)
• M3: 1,683,724 km (0.033 R)
• M4: 2,590,886 km (0.077 R)
• M5: 2,994,351 km (0.113 R)
• M6: 3,546,666 km (0.081 R)
• M7: 4,200,708 km (0.089 R)
• M8: 4,875,843 km (0.118 R)
• M9: 5,771,635 km (0.098 R)
• M10: 6,702,134 km (0.108 R)
• M11: 7,393,276 km (0.074 R)
• M12: 8,158,619 km (0.094 R)
• M13: 9,005,044 km (0.054 R)
• M14: 9,785,346 km (0.097 R)
• M15: 11,827,656 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.7

Radius: 13.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.6 AU - 3.04 AU

Year: 3269 Days

Day: 8.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,158,825 km

• M1: 165,605 km (0.046 R)
• M2: 927,956 km (0.12 R)
• M3: 1,527,394 km (0.027 R)
• M4: 2,392,668 km (0.085 R)
• M5: 2,991,808 km (0.062 R)
• M6: 3,545,619 km (0.08 R)
• M7: 4,773,070 km (0.111 R)
• M8: 5,294,568 km (0.114 R)
• M9: 6,057,816 km (0.113 R)
• M10: 9,651,606 km (0.109 R)
• M11: 10,340,055 km (0.103 R)
• M12: 13,919,932 km (0.101 R)
• M13: 15,133,021 km (0.055 R)
• M14: 16,618,827 km (0.078 R)
• M15: 17,344,527 km (0.083 R)
• M16: 17,875,749 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.4

Radius: 13.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.32 AU - 5.16 AU

Year: 6026 Days

Day: 7.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,158,825 km

• M1: 169,794 km (0.116 R)
• M2: 638,185 km (0.118 R)
• M3: 1,505,254 km (0.091 R)
• M4: 2,095,567 km (0.112 R)
• M5: 2,540,920 km (0.053 R)
• M6: 3,178,356 km (0.08 R)
• M7: 3,856,633 km (0.116 R)
• M8: 4,509,927 km (0.12 R)
• M9: 5,422,923 km (0.083 R)
• M10: 5,923,776 km (0.102 R)
• M11: 6,547,300 km (0.105 R)
• M12: 7,346,303 km (0.114 R)
• M13: 7,821,725 km (0.072 R)
• M14: 8,985,895 km (0.081 R)
• M15: 10,388,226 km (0.072 R)
• M16: 17,718,970 km (0.062 R)
• M17: 18,329,030 km (0.11 R)
• M18: 20,776,003 km (0.098 R)
• M19: 22,007,941 km (0.074 R)
• M20: 24,919,415 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.8

Radius: 8

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.81 AU - 7.31 AU

Year: 11598 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,158,825 km

• M1: 138,976 km (0.105 R)
• M2: 502,200 km (0.032 R)
• M3: 1,177,036 km (0.086 R)
• M4: 1,445,265 km (0.061 R)
• M5: 2,195,199 km (0.053 R)
• M6: 3,159,208 km (0.091 R)
• M7: 3,787,070 km (0.039 R)
• M8: 4,158,222 km (0.042 R)
• M9: 4,409,547 km (0.088 R)
• M10: 4,790,573 km (0.084 R)
• M11: 5,257,168 km (0.105 R)
• M12: 5,856,906 km (0.108 R)
• M13: 7,271,952 km (0.113 R)
• M14: 8,947,449 km (0.026 R)
• M15: 10,451,655 km (0.092 R)
• M16: 12,117,128 km (0.083 R)
• M17: 12,458,810 km (0.106 R)
• M18: 12,924,508 km (0.086 R)
• M19: 15,230,410 km (0.109 R)
• M20: 17,651,651 km (0.093 R)
• M21: 18,091,020 km (0.11 R)
• M22: 20,801,135 km (0.094 R)
• M23: 23,681,941 km (0.087 R)
• M24: 33,788,773 km (0.065 R)
• M25: 43,582,946 km (0.118 R)
• M26: 44,520,476 km (0.105 R)
• M27: 45,745,533 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 14,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit