🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.79 AU - 1.29 AU

Year: 402 Days

Day: 38.1 Hours

Environment

Temp: 0 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.9 AU - 2.16 AU

Year: 1095 Days

Day: 47.7 Hours

Environment

Temp: -81 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,007,049 km

• M1: 442,959 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.26 AU - 4.56 AU

Year: 2928 Days

Day: 35.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.99 AU - 4.95 AU

Year: 2996 Days

Day: 14.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,007,049 km

• M1: 993,479 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 14

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.87 AU - 6.23 AU

Year: 4298 Days

Day: 11.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,007,049 km

• M1: 174,282 km (0.095 R)
• M2: 1,025,194 km (0.106 R)
• M3: 2,186,522 km (0.081 R)
• M4: 3,027,711 km (0.104 R)
• M5: 4,409,248 km (0.069 R)
• M6: 5,667,067 km (0.111 R)
• M7: 7,050,398 km (0.083 R)
• M8: 8,303,131 km (0.108 R)
• M9: 10,971,059 km (0.096 R)
• M10: 11,528,610 km (0.099 R)
• M11: 12,954,577 km (0.117 R)
• M12: 14,550,338 km (0.099 R)
• M13: 16,393,383 km (0.111 R)
• M14: 19,510,405 km (0.088 R)
• M15: 23,457,694 km (0.12 R)
• M16: 23,918,156 km (0.117 R)
• M17: 26,394,600 km (0.091 R)
• M18: 28,339,222 km (0.102 R)
• M19: 28,861,917 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969

Radius: 13.2

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.98 AU - 9.62 AU

Year: 9887 Days

Day: 6 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,007,049 km

• M1: 164,857 km (0.103 R)
• M2: 643,271 km (0.065 R)
• M3: 1,422,676 km (0.115 R)
• M4: 2,446,673 km (0.119 R)
• M5: 2,904,742 km (0.107 R)
• M6: 3,470,222 km (0.092 R)
• M7: 3,914,527 km (0.047 R)
• M8: 5,312,370 km (0.063 R)
• M9: 6,162,983 km (0.047 R)
• M10: 9,413,745 km (0.071 R)
• M11: 10,659,447 km (0.093 R)
• M12: 11,435,112 km (0.027 R)
• M13: 12,129,695 km (0.086 R)
• M14: 15,124,644 km (0.101 R)
• M15: 16,320,081 km (0.109 R)
• M16: 18,346,683 km (0.066 R)
• M17: 23,076,220 km (0.037 R)
• M18: 24,658,965 km (0.101 R)
• M19: 31,831,435 km (0.12 R)
• M20: 32,399,608 km (0.085 R)
• M21: 35,951,959 km (0.063 R)
• M22: 41,215,859 km (0.106 R)
• M23: 41,755,309 km (0.1 R)
• M24: 42,436,428 km (0.066 R)
• M25: 44,949,822 km (0.042 R)
• M26: 48,453,254 km (0.101 R)
• M27: 48,903,544 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.5

Radius: 5.4

Gravity: 19.53 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 14.87 AU - 18.97 AU

Year: 26360 Days

Day: 19.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 86,007,049 km

• M1: 108,010 km (0.085 R)
• M2: 308,022 km (0.03 R)
• M3: 629,209 km (0.111 R)
• M4: 1,046,138 km (0.103 R)
• M5: 1,255,126 km (0.087 R)
• M6: 2,318,617 km (0.117 R)
• M7: 2,505,465 km (0.067 R)
• M8: 4,933,289 km (0.046 R)
• M9: 5,363,682 km (0.075 R)
• M10: 5,818,609 km (0.044 R)
• M11: 6,995,795 km (0.098 R)
• M12: 7,437,857 km (0.041 R)
• M13: 8,109,102 km (0.103 R)
• M14: 9,161,673 km (0.063 R)
• M15: 9,512,181 km (0.119 R)
• M16: 10,617,410 km (0.083 R)
• M17: 12,789,272 km (0.12 R)
• M18: 13,524,545 km (0.116 R)
• M19: 13,750,587 km (0.078 R)
• M20: 16,066,512 km (0.086 R)
• M21: 16,235,259 km (0.087 R)
• M22: 17,009,128 km (0.053 R)
• M23: 17,272,421 km (0.077 R)
• M24: 18,261,412 km (0.083 R)
• M25: 23,235,392 km (0.077 R)
• M26: 26,263,402 km (0.089 R)
• M27: 28,669,086 km (0.083 R)
• M28: 28,917,418 km (0.042 R)
• M29: 29,671,092 km (0.097 R)
• M30: 33,088,805 km (0.113 R)
• M31: 33,774,711 km (0.106 R)
• M32: 37,495,659 km (0.059 R)
• M33: 38,091,358 km (0.077 R)
• M34: 41,322,522 km (0.103 R)
• M35: 42,117,934 km (0.088 R)
• M36: 43,411,657 km (0.119 R)
• M37: 49,384,351 km (0.103 R)
• M38: 60,856,563 km (0.087 R)
• M39: 65,471,508 km (0.103 R)
• M40: 65,686,779 km (0.084 R)
• M41: 69,193,503 km (0.049 R)
• M42: 83,454,519 km (0.032 R)
• M43: 85,235,930 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 14,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit