🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.5 AU - 0.62 AU

Year: 154 Days

Day: 15.2 Hours

Environment

Temp: 231 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.22 AU - 1.54 AU

Year: 595 Days

Day: 21.5 Hours

Environment

Temp: -32 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,359,689 km

• M1: 514,317 km (0.103 R)
• M2: 536,757 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.04 AU - 2.66 AU

Year: 1322 Days

Day: 36.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 49.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.8

Radius: 13.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.57 AU - 8.99 AU

Year: 7966 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,359,689 km

• M1: 170,392 km (0.087 R)
• M2: 617,390 km (0.041 R)
• M3: 1,912,908 km (0.111 R)
• M4: 2,570,391 km (0.064 R)
• M5: 3,169,530 km (0.101 R)
• M6: 3,884,010 km (0.074 R)
• M7: 4,703,806 km (0.106 R)
• M8: 5,197,928 km (0.083 R)
• M9: 5,757,124 km (0.034 R)
• M10: 6,226,862 km (0.096 R)
• M11: 8,096,087 km (0.099 R)
• M12: 9,014,319 km (0.072 R)
• M13: 11,105,847 km (0.115 R)
• M14: 11,540,578 km (0.067 R)
• M15: 12,087,508 km (0.083 R)
• M16: 13,888,068 km (0.081 R)
• M17: 14,450,257 km (0.069 R)
• M18: 19,232,003 km (0.093 R)
• M19: 28,688,384 km (0.046 R)
• M20: 30,158,482 km (0.086 R)
• M21: 33,348,208 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 12.6

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.88 AU - 10.48 AU

Year: 11923 Days

Day: 6.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,359,689 km

• M1: 156,629 km (0.101 R)
• M2: 565,779 km (0.116 R)
• M3: 996,023 km (0.119 R)
• M4: 1,437,187 km (0.098 R)
• M5: 2,240,079 km (0.076 R)
• M6: 2,883,798 km (0.069 R)
• M7: 3,407,690 km (0.104 R)
• M8: 4,809,272 km (0.09 R)
• M9: 6,267,552 km (0.102 R)
• M10: 6,975,898 km (0.083 R)
• M11: 8,714,375 km (0.117 R)
• M12: 10,218,881 km (0.082 R)
• M13: 10,772,543 km (0.099 R)
• M14: 11,739,992 km (0.092 R)
• M15: 12,296,347 km (0.076 R)
• M16: 12,817,246 km (0.072 R)
• M17: 16,570,657 km (0.093 R)
• M18: 17,206,897 km (0.084 R)
• M19: 17,661,824 km (0.088 R)
• M20: 20,417,417 km (0.056 R)
• M21: 23,053,780 km (0.075 R)
• M22: 23,447,970 km (0.117 R)
• M23: 23,927,132 km (0.096 R)
• M24: 26,593,714 km (0.081 R)
• M25: 27,554,432 km (0.09 R)
• M26: 29,823,981 km (0.093 R)
• M27: 31,436,646 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.4

Radius: 3.2

Gravity: 35.78 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 11.84 AU - 12.9 AU

Year: 15971 Days

Day: 15.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,359,689 km

• M1: 43,383 km (0.099 R)
• M2: 257,458 km (0.107 R)
• M3: 524,789 km (0.077 R)
• M4: 1,576,911 km (0.116 R)
• M5: 2,127,731 km (0.111 R)
• M6: 2,580,713 km (0.093 R)
• M7: 3,047,757 km (0.028 R)
• M8: 3,864,113 km (0.045 R)
• M9: 4,089,108 km (0.118 R)
• M10: 5,697,136 km (0.026 R)
• M11: 7,086,601 km (0.096 R)
• M12: 7,509,364 km (0.108 R)
• M13: 7,770,861 km (0.119 R)
• M14: 7,993,463 km (0.118 R)
• M15: 15,591,838 km (0.119 R)
• M16: 17,415,436 km (0.108 R)
• M17: 19,376,215 km (0.091 R)
• M18: 20,536,048 km (0.086 R)
• M19: 22,094,259 km (0.1 R)
• M20: 24,671,980 km (0.07 R)
• M21: 33,711,132 km (0.052 R)
• M22: 48,523,565 km (0.097 R)
• M23: 48,824,107 km (0.087 R)
• M24: 49,277,239 km (0.032 R)
• M25: 50,191,881 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.8

Radius: 3.1

Gravity: 91.76 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 14.72 AU - 21.84 AU

Year: 28690 Days

Day: 18.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,359,689 km

• M1: 38,746 km (0.105 R)
• M2: 150,196 km (0.06 R)
• M3: 264,489 km (0.053 R)
• M4: 602,580 km (0.105 R)
• M5: 2,133,116 km (0.092 R)
• M6: 5,369,367 km (0.106 R)
• M7: 6,723,676 km (0.116 R)
• M8: 7,239,041 km (0.048 R)
• M9: 8,004,084 km (0.11 R)
• M10: 9,438,279 km (0.09 R)
• M11: 9,692,895 km (0.087 R)
• M12: 10,484,268 km (0.074 R)
• M13: 10,826,248 km (0.12 R)
• M14: 15,007,958 km (0.119 R)
• M15: 18,030,134 km (0.112 R)
• M16: 19,121,301 km (0.115 R)
• M17: 21,984,604 km (0.037 R)
• M18: 26,479,721 km (0.116 R)
• M19: 28,017,138 km (0.079 R)
• M20: 28,940,905 km (0.092 R)
• M21: 34,913,301 km (0.046 R)
• M22: 52,719,486 km (0.098 R)
• M23: 62,416,420 km (0.089 R)
• M24: 69,820,318 km (0.057 R)
• M25: 78,046,406 km (0.113 R)
• M26: 79,870,453 km (0.111 R)
• M27: 82,257,287 km (0.113 R)
• M28: 86,340,261 km (0.119 R)
• M29: 89,136,096 km (0.057 R)
• M30: 100,922,763 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.9

Radius: 5.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 18.81 AU - 20.41 AU

Year: 31878 Days

Day: 17.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,359,689 km

• M1: 75,697 km (0.084 R)
• M2: 335,847 km (0.11 R)
• M3: 768,484 km (0.102 R)
• M4: 1,537,417 km (0.111 R)
• M5: 1,907,522 km (0.05 R)
• M6: 2,314,578 km (0.043 R)
• M7: 2,616,766 km (0.074 R)
• M8: 2,872,578 km (0.115 R)
• M9: 3,094,133 km (0.096 R)
• M10: 3,684,147 km (0.065 R)
• M11: 4,066,519 km (0.03 R)
• M12: 6,722,629 km (0.107 R)
• M13: 6,982,181 km (0.049 R)
• M14: 7,429,778 km (0.094 R)
• M15: 9,042,892 km (0.106 R)
• M16: 9,520,558 km (0.089 R)
• M17: 9,738,073 km (0.03 R)
• M18: 9,959,029 km (0.07 R)
• M19: 15,859,917 km (0.089 R)
• M20: 18,335,613 km (0.094 R)
• M21: 18,757,778 km (0.094 R)
• M22: 19,359,460 km (0.111 R)
• M23: 23,937,155 km (0.056 R)
• M24: 25,159,071 km (0.118 R)
• M25: 25,366,563 km (0.119 R)
• M26: 32,140,055 km (0.047 R)
• M27: 36,202,086 km (0.12 R)
• M28: 37,538,294 km (0.087 R)
• M29: 38,493,028 km (0.077 R)
• M30: 45,173,620 km (0.12 R)
• M31: 46,409,149 km (0.097 R)
• M32: 53,438,454 km (0.051 R)
• M33: 59,107,315 km (0.083 R)
• M34: 62,275,798 km (0.086 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 11,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit