🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.6

Radius: 8.8

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.05 AU - 1.25 AU

Year: 867 Days

Day: 8.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,326,275 km

• M1: 109,506 km (0.103 R)
• M2: 385,215 km (0.04 R)
• M3: 668,403 km (0.093 R)
• M4: 1,061,546 km (0.059 R)
• M5: 1,465,760 km (0.112 R)
• M6: 1,832,574 km (0.054 R)
• M7: 2,160,792 km (0.075 R)
• M8: 2,659,551 km (0.111 R)
• M9: 3,927,542 km (0.119 R)
• M10: 5,507,446 km (0.112 R)
• M11: 5,871,866 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.6

Radius: 13.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.32 AU - 1.44 AU

Year: 1140 Days

Day: 12.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,326,275 km

• M1: 165,605 km (0.108 R)
• M2: 649,255 km (0.115 R)
• M3: 1,524,402 km (0.082 R)
• M4: 2,336,569 km (0.063 R)
• M5: 3,036,089 km (0.111 R)
• M6: 3,480,993 km (0.079 R)
• M7: 4,594,899 km (0.12 R)
• M8: 5,804,248 km (0.047 R)
• M9: 6,518,578 km (0.095 R)
• M10: 7,518,789 km (0.103 R)
• M11: 8,423,707 km (0.074 R)
• M12: 8,989,037 km (0.11 R)
• M13: 10,164,876 km (0.11 R)
• M14: 10,578,813 km (0.09 R)
• M15: 11,372,729 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.3

Radius: 14.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.3 AU - 3.86 AU

Year: 4761 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,326,275 km

• M1: 185,950 km (0.099 R)
• M2: 770,130 km (0.082 R)
• M3: 1,268,141 km (0.091 R)
• M4: 2,173,507 km (0.041 R)
• M5: 4,177,820 km (0.093 R)
• M6: 5,099,791 km (0.031 R)
• M7: 5,567,135 km (0.104 R)
• M8: 6,337,714 km (0.062 R)
• M9: 7,839,078 km (0.117 R)
• M10: 10,674,556 km (0.103 R)
• M11: 12,201,651 km (0.079 R)
• M12: 16,443,948 km (0.097 R)
• M13: 17,409,602 km (0.098 R)
• M14: 18,540,711 km (0.093 R)
• M15: 19,586,849 km (0.1 R)
• M16: 21,582,934 km (0.101 R)
• M17: 26,057,107 km (0.099 R)
• M18: 28,382,606 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.7

Radius: 8

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.77 AU - 9.95 AU

Year: 16991 Days

Day: 16 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,326,275 km

• M1: 99,632 km (0.116 R)
• M2: 361,578 km (0.114 R)
• M3: 939,923 km (0.079 R)
• M4: 1,214,136 km (0.077 R)
• M5: 1,703,172 km (0.077 R)
• M6: 2,136,856 km (0.059 R)
• M7: 2,465,523 km (0.064 R)
• M8: 2,948,125 km (0.091 R)
• M9: 4,163,010 km (0.077 R)
• M10: 4,951,839 km (0.08 R)
• M11: 6,073,374 km (0.095 R)
• M12: 7,539,284 km (0.083 R)
• M13: 8,605,318 km (0.075 R)
• M14: 9,016,712 km (0.111 R)
• M15: 10,103,092 km (0.103 R)
• M16: 11,396,216 km (0.036 R)
• M17: 15,704,934 km (0.085 R)
• M18: 16,087,456 km (0.113 R)
• M19: 18,177,338 km (0.075 R)
• M20: 19,814,537 km (0.077 R)
• M21: 31,993,300 km (0.079 R)
• M22: 33,482,247 km (0.106 R)
• M23: 35,277,123 km (0.095 R)
• M24: 35,538,769 km (0.081 R)
• M25: 35,933,409 km (0.079 R)
• M26: 36,198,197 km (0.108 R)
• M27: 42,358,188 km (0.086 R)
• M28: 45,840,228 km (0.04 R)
• M29: 50,662,665 km (0.113 R)
• M30: 58,696,669 km (0.117 R)
• M31: 64,175,093 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.9

Radius: 3.5

Gravity: 56.81 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.37 AU - 11.23 AU

Year: 19936 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,326,275 km

• M1: 43,533 km (0.089 R)
• M2: 591,959 km (0.083 R)
• M3: 749,934 km (0.079 R)
• M4: 1,415,495 km (0.095 R)
• M5: 2,496,639 km (0.091 R)
• M6: 3,543,525 km (0.115 R)
• M7: 5,378,343 km (0.113 R)
• M8: 5,899,392 km (0.053 R)
• M9: 7,468,524 km (0.07 R)
• M10: 9,073,111 km (0.07 R)
• M11: 9,693,792 km (0.111 R)
• M12: 10,402,438 km (0.112 R)
• M13: 10,831,484 km (0.104 R)
• M14: 12,804,381 km (0.113 R)
• M15: 13,729,195 km (0.063 R)
• M16: 16,438,412 km (0.079 R)
• M17: 18,223,863 km (0.036 R)
• M18: 19,208,815 km (0.065 R)
• M19: 19,946,931 km (0.033 R)
• M20: 27,230,702 km (0.119 R)
• M21: 41,643,410 km (0.064 R)
• M22: 43,033,473 km (0.1 R)
• M23: 45,742,840 km (0.036 R)
• M24: 49,930,384 km (0.085 R)
• M25: 56,398,397 km (0.111 R)
• M26: 58,098,427 km (0.108 R)
• M27: 63,402,719 km (0.113 R)
• M28: 65,860,463 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: 313 - 17,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit