🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.6

Radius: 14.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.1 AU - 1.44 AU

Year: 971 Days

Day: 14.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,745,452 km

• M1: 180,864 km (0.1 R)
• M2: 645,216 km (0.096 R)
• M3: 1,113,307 km (0.116 R)
• M4: 1,579,305 km (0.082 R)
• M5: 2,365,142 km (0.098 R)
• M6: 3,017,239 km (0.064 R)
• M7: 3,498,197 km (0.083 R)
• M8: 3,968,981 km (0.1 R)
• M9: 4,686,004 km (0.041 R)
• M10: 5,565,490 km (0.111 R)
• M11: 6,148,622 km (0.108 R)
• M12: 7,019,880 km (0.066 R)
• M13: 7,873,037 km (0.114 R)
• M14: 8,402,015 km (0.108 R)
• M15: 8,874,295 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380

Radius: 13.3

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.86 AU - 2.22 AU

Year: 1976 Days

Day: 9.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,745,452 km

• M1: 166,203 km (0.114 R)
• M2: 589,715 km (0.106 R)
• M3: 1,081,593 km (0.088 R)
• M4: 1,756,429 km (0.081 R)
• M5: 2,243,519 km (0.045 R)
• M6: 2,780,426 km (0.043 R)
• M7: 3,690,280 km (0.105 R)
• M8: 4,170,190 km (0.115 R)
• M9: 4,928,801 km (0.11 R)
• M10: 5,513,130 km (0.116 R)
• M11: 6,380,050 km (0.068 R)
• M12: 7,283,322 km (0.12 R)
• M13: 8,298,792 km (0.096 R)
• M14: 9,067,277 km (0.102 R)
• M15: 11,161,796 km (0.053 R)
• M16: 11,623,755 km (0.104 R)
• M17: 12,061,628 km (0.079 R)
• M18: 12,586,417 km (0.095 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.4

Radius: 4.3

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.68 AU - 7.62 AU

Year: 11631 Days

Day: 19.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,745,452 km

• M1: 53,556 km (0.102 R)
• M2: 635,641 km (0.091 R)
• M3: 1,119,740 km (0.075 R)
• M4: 1,297,163 km (0.094 R)
• M5: 2,448,319 km (0.086 R)
• M6: 2,676,007 km (0.089 R)
• M7: 4,080,432 km (0.09 R)
• M8: 4,658,478 km (0.108 R)
• M9: 7,342,114 km (0.091 R)
• M10: 8,117,180 km (0.074 R)
• M11: 8,623,420 km (0.066 R)
• M12: 11,814,641 km (0.071 R)
• M13: 12,012,111 km (0.087 R)
• M14: 18,211,596 km (0.059 R)
• M15: 19,009,551 km (0.064 R)
• M16: 25,752,226 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.6

Radius: 3.7

Gravity: 15.02 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.79 AU - 7.79 AU

Year: 12000 Days

Day: 20.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,745,452 km

• M1: 46,525 km (0.115 R)
• M2: 165,754 km (0.099 R)
• M3: 298,149 km (0.096 R)
• M4: 533,915 km (0.109 R)
• M5: 689,497 km (0.05 R)
• M6: 965,804 km (0.113 R)
• M7: 1,124,378 km (0.096 R)
• M8: 1,481,169 km (0.053 R)
• M9: 2,397,455 km (0.106 R)
• M10: 4,252,469 km (0.088 R)
• M11: 5,106,075 km (0.039 R)
• M12: 6,167,172 km (0.099 R)
• M13: 6,539,671 km (0.057 R)
• M14: 7,366,947 km (0.035 R)
• M15: 7,864,210 km (0.107 R)
• M16: 9,579,051 km (0.091 R)
• M17: 10,124,485 km (0.076 R)
• M18: 10,310,884 km (0.089 R)
• M19: 11,578,426 km (0.04 R)
• M20: 13,165,809 km (0.071 R)
• M21: 15,316,129 km (0.095 R)
• M22: 16,314,396 km (0.039 R)
• M23: 18,232,839 km (0.104 R)
• M24: 18,508,847 km (0.043 R)
• M25: 19,210,760 km (0.088 R)
• M26: 21,346,419 km (0.086 R)
• M27: 23,068,440 km (0.081 R)
• M28: 25,476,966 km (0.071 R)
• M29: 26,082,389 km (0.059 R)
• M30: 29,727,341 km (0.108 R)
• M31: 30,398,287 km (0.109 R)
• M32: 31,374,264 km (0.093 R)
• M33: 32,978,701 km (0.096 R)
• M34: 34,008,832 km (0.11 R)
• M35: 34,426,958 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.4

Radius: 5.9

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.32 AU - 11.14 AU

Year: 19019 Days

Day: 15.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,745,452 km

• M1: 113,844 km (0.054 R)
• M2: 531,072 km (0.12 R)
• M3: 715,078 km (0.097 R)
• M4: 1,205,460 km (0.073 R)
• M5: 1,970,204 km (0.086 R)
• M6: 2,299,768 km (0.081 R)
• M7: 2,642,796 km (0.111 R)
• M8: 4,961,264 km (0.106 R)
• M9: 9,077,898 km (0.068 R)
• M10: 11,315,284 km (0.081 R)
• M11: 14,243,213 km (0.107 R)
• M12: 15,918,709 km (0.079 R)
• M13: 16,764,685 km (0.099 R)
• M14: 22,006,595 km (0.105 R)
• M15: 25,047,022 km (0.097 R)
• M16: 39,314,171 km (0.06 R)
• M17: 41,425,894 km (0.1 R)
• M18: 44,960,144 km (0.076 R)
• M19: 49,010,207 km (0.118 R)
• M20: 52,453,651 km (0.089 R)
• M21: 53,466,279 km (0.077 R)
• M22: 58,725,991 km (0.05 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: 268 - 13,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit