🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.45 AU - 2.05 AU

Year: 833 Days

Day: 44.5 Hours

Environment

Temp: -48 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,303,614 km

• M1: 243,845 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.8

Radius: 14.1

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.02 AU - 5.18 AU

Year: 4145 Days

Day: 7.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 104,303,614 km

• M1: 175,927 km (0.034 R)
• M2: 853,755 km (0.117 R)
• M3: 1,538,614 km (0.053 R)
• M4: 1,992,943 km (0.072 R)
• M5: 2,489,458 km (0.089 R)
• M6: 2,929,426 km (0.066 R)
• M7: 4,355,841 km (0.084 R)
• M8: 7,357,672 km (0.091 R)
• M9: 8,823,432 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 12.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.4

Radius: 9.9

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 11.06 AU - 13.38 AU

Year: 15374 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 104,303,614 km

• M1: 123,119 km (0.1 R)
• M2: 442,361 km (0.119 R)
• M3: 837,000 km (0.092 R)
• M4: 1,424,770 km (0.106 R)
• M5: 1,786,647 km (0.079 R)
• M6: 2,372,473 km (0.037 R)
• M7: 2,862,406 km (0.055 R)
• M8: 4,548,822 km (0.111 R)
• M9: 5,381,035 km (0.107 R)
• M10: 5,756,526 km (0.066 R)
• M11: 6,270,694 km (0.108 R)
• M12: 8,489,230 km (0.067 R)
• M13: 9,637,992 km (0.105 R)
• M14: 10,080,503 km (0.053 R)
• M15: 12,564,725 km (0.05 R)
• M16: 15,505,969 km (0.117 R)
• M17: 16,817,194 km (0.067 R)
• M18: 17,540,500 km (0.102 R)
• M19: 21,379,181 km (0.042 R)
• M20: 22,806,345 km (0.099 R)
• M21: 24,296,041 km (0.091 R)
• M22: 27,911,073 km (0.103 R)
• M23: 30,314,513 km (0.084 R)
• M24: 33,855,793 km (0.066 R)
• M25: 34,493,080 km (0.117 R)
• M26: 41,167,838 km (0.1 R)
• M27: 46,587,021 km (0.073 R)
• M28: 49,958,209 km (0.094 R)
• M29: 53,145,392 km (0.101 R)
• M30: 55,402,524 km (0.084 R)
• M31: 55,932,400 km (0.112 R)
• M32: 58,998,707 km (0.093 R)
• M33: 62,365,856 km (0.059 R)
• M34: 63,709,245 km (0.052 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.5

Radius: 4.2

Gravity: 33.08 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 13.38 AU - 20.24 AU

Year: 24804 Days

Day: 21.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 104,303,614 km

• M1: 52,509 km (0.069 R)
• M2: 230,830 km (0.081 R)
• M3: 461,061 km (0.109 R)
• M4: 650,452 km (0.119 R)
• M5: 856,298 km (0.083 R)
• M6: 1,077,853 km (0.115 R)
• M7: 1,260,960 km (0.099 R)
• M8: 1,399,638 km (0.071 R)
• M9: 1,938,190 km (0.118 R)
• M10: 2,856,123 km (0.037 R)
• M11: 3,681,304 km (0.084 R)
• M12: 4,198,913 km (0.088 R)
• M13: 4,370,203 km (0.083 R)
• M14: 5,141,380 km (0.066 R)
• M15: 11,417,609 km (0.118 R)
• M16: 11,617,322 km (0.111 R)
• M17: 16,967,989 km (0.068 R)
• M18: 17,315,505 km (0.08 R)
• M19: 18,114,956 km (0.107 R)
• M20: 21,056,648 km (0.039 R)
• M21: 24,854,340 km (0.046 R)
• M22: 26,215,232 km (0.086 R)
• M23: 29,208,236 km (0.098 R)
• M24: 32,554,441 km (0.097 R)
• M25: 32,687,883 km (0.115 R)
• M26: 34,043,838 km (0.113 R)
• M27: 36,147,333 km (0.098 R)
• M28: 41,702,800 km (0.046 R)
• M29: 43,135,349 km (0.109 R)
• M30: 57,727,574 km (0.083 R)
• M31: 67,630,205 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.6

Radius: 3.8

Gravity: 56.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 15.7 AU - 22 AU

Year: 29454 Days

Day: 23.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 104,303,614 km

• M1: 47,572 km (0.106 R)
• M2: 185,950 km (0.092 R)
• M3: 309,518 km (0.096 R)
• M4: 773,720 km (0.115 R)
• M5: 932,294 km (0.104 R)
• M6: 1,187,957 km (0.091 R)
• M7: 2,145,233 km (0.114 R)
• M8: 4,992,979 km (0.081 R)
• M9: 6,327,242 km (0.113 R)
• M10: 8,278,597 km (0.088 R)
• M11: 10,261,516 km (0.105 R)
• M12: 10,665,580 km (0.107 R)
• M13: 13,157,582 km (0.103 R)
• M14: 13,634,350 km (0.093 R)
• M15: 14,961,732 km (0.038 R)
• M16: 16,924,157 km (0.059 R)
• M17: 18,951,208 km (0.103 R)
• M18: 21,787,583 km (0.099 R)
• M19: 23,595,324 km (0.101 R)
• M20: 24,535,547 km (0.07 R)
• M21: 25,992,331 km (0.114 R)
• M22: 26,490,492 km (0.061 R)
• M23: 29,210,480 km (0.091 R)
• M24: 33,264,583 km (0.101 R)
• M25: 35,654,109 km (0.109 R)
• M26: 36,423,790 km (0.116 R)
• M27: 40,938,953 km (0.106 R)
• M28: 41,106,802 km (0.109 R)
• M29: 47,458,578 km (0.07 R)
• M30: 50,866,268 km (0.112 R)
• M31: 54,636,583 km (0.113 R)
• M32: 60,091,669 km (0.032 R)
• M33: 63,847,922 km (0.081 R)
• M34: 75,797,052 km (0.074 R)
• M35: 90,852,881 km (0.103 R)
• M36: 91,711,274 km (0.11 R)
• M37: 101,513,974 km (0.112 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 16,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit