🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.56 AU - 0.74 AU

Year: 333 Days

Day: 31.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.53 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.8

Radius: 14.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.48 AU - 5.34 AU

Year: 5888 Days

Day: 10.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,281,958 km

• M1: 176,525 km (0.116 R)
• M2: 714,928 km (0.106 R)
• M3: 1,580,502 km (0.087 R)
• M4: 2,729,563 km (0.117 R)
• M5: 3,261,084 km (0.111 R)
• M6: 4,353,298 km (0.058 R)
• M7: 5,677,239 km (0.119 R)
• M8: 6,584,999 km (0.042 R)
• M9: 8,607,562 km (0.032 R)
• M10: 9,986,256 km (0.119 R)
• M11: 10,728,561 km (0.052 R)
• M12: 11,708,128 km (0.103 R)
• M13: 12,586,866 km (0.089 R)
• M14: 13,564,637 km (0.101 R)
• M15: 15,006,162 km (0.074 R)
• M16: 15,795,142 km (0.101 R)
• M17: 19,371,428 km (0.051 R)
• M18: 19,943,640 km (0.109 R)
• M19: 20,972,275 km (0.098 R)
• M20: 21,651,898 km (0.087 R)
• M21: 22,424,422 km (0.105 R)
• M22: 25,188,841 km (0.075 R)
• M23: 28,723,390 km (0.081 R)
• M24: 34,626,222 km (0.091 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.2

Radius: 3.4

Gravity: 53.91 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.05 AU - 11.13 AU

Year: 18883 Days

Day: 20.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,281,958 km

• M1: 42,635 km (0.088 R)
• M2: 435,479 km (0.081 R)
• M3: 1,218,175 km (0.063 R)
• M4: 3,434,169 km (0.038 R)
• M5: 3,781,834 km (0.105 R)
• M6: 4,753,024 km (0.104 R)
• M7: 6,124,238 km (0.101 R)
• M8: 10,245,061 km (0.084 R)
• M9: 11,648,438 km (0.105 R)
• M10: 18,719,032 km (0.062 R)
• M11: 22,241,463 km (0.03 R)
• M12: 26,181,123 km (0.071 R)
• M13: 27,515,536 km (0.034 R)
• M14: 28,314,539 km (0.068 R)
• M15: 33,953,930 km (0.106 R)
• M16: 34,084,080 km (0.097 R)
• M17: 39,572,377 km (0.116 R)
• M18: 45,147,141 km (0.089 R)
• M19: 46,738,863 km (0.058 R)
• M20: 61,226,369 km (0.116 R)
• M21: 61,612,781 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.1

Radius: 3.8

Gravity: 62.2 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.54 AU - 10.76 AU

Year: 19060 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,281,958 km

• M1: 47,273 km (0.112 R)
• M2: 298,149 km (0.104 R)
• M3: 494,271 km (0.105 R)
• M4: 644,916 km (0.117 R)
• M5: 1,027,887 km (0.041 R)
• M6: 3,243,282 km (0.102 R)
• M7: 3,683,848 km (0.055 R)
• M8: 4,902,322 km (0.119 R)
• M9: 7,246,072 km (0.063 R)
• M10: 8,151,289 km (0.105 R)
• M11: 8,576,745 km (0.076 R)
• M12: 9,529,833 km (0.101 R)
• M13: 10,062,102 km (0.079 R)
• M14: 10,739,033 km (0.053 R)
• M15: 12,320,581 km (0.063 R)
• M16: 14,430,809 km (0.026 R)
• M17: 18,252,287 km (0.09 R)
• M18: 23,430,916 km (0.036 R)
• M19: 23,857,420 km (0.099 R)
• M20: 28,050,349 km (0.099 R)
• M21: 31,920,595 km (0.119 R)
• M22: 32,312,990 km (0.082 R)
• M23: 33,509,624 km (0.094 R)
• M24: 34,460,468 km (0.09 R)
• M25: 35,568,988 km (0.064 R)
• M26: 35,990,705 km (0.111 R)
• M27: 43,840,853 km (0.069 R)
• M28: 47,309,728 km (0.056 R)
• M29: 52,940,293 km (0.087 R)
• M30: 54,600,829 km (0.091 R)
• M31: 58,025,274 km (0.101 R)
• M32: 60,186,963 km (0.077 R)
• M33: 60,585,791 km (0.061 R)
• M34: 64,046,140 km (0.102 R)
• M35: 64,253,781 km (0.037 R)
• M36: 64,670,262 km (0.078 R)
• M37: 67,421,217 km (0.05 R)
• M38: 67,636,040 km (0.117 R)
• M39: 69,370,926 km (0.093 R)
• M40: 72,477,775 km (0.109 R)
• M41: 79,445,146 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.6

Radius: 6.4

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 10.47 AU - 12.39 AU

Year: 24570 Days

Day: 19.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,281,958 km

• M1: 81,232 km (0.064 R)
• M2: 338,540 km (0.05 R)
• M3: 891,304 km (0.107 R)
• M4: 1,106,276 km (0.089 R)
• M5: 1,748,201 km (0.108 R)
• M6: 2,049,790 km (0.11 R)
• M7: 2,319,964 km (0.096 R)
• M8: 2,709,068 km (0.117 R)
• M9: 2,932,268 km (0.094 R)
• M10: 4,271,618 km (0.114 R)
• M11: 4,644,266 km (0.1 R)
• M12: 5,112,358 km (0.107 R)
• M13: 9,479,867 km (0.059 R)
• M14: 10,232,345 km (0.11 R)
• M15: 11,660,107 km (0.115 R)
• M16: 13,286,385 km (0.117 R)
• M17: 18,002,458 km (0.05 R)
• M18: 18,794,280 km (0.089 R)
• M19: 20,636,877 km (0.072 R)
• M20: 21,996,123 km (0.059 R)
• M21: 24,891,739 km (0.066 R)
• M22: 27,683,535 km (0.064 R)
• M23: 29,214,519 km (0.037 R)
• M24: 30,061,842 km (0.08 R)
• M25: 32,315,982 km (0.086 R)
• M26: 33,222,097 km (0.094 R)
• M27: 35,356,858 km (0.08 R)
• M28: 36,457,749 km (0.066 R)
• M29: 46,263,291 km (0.058 R)
• M30: 53,993,462 km (0.056 R)
• M31: 55,820,949 km (0.054 R)
• M32: 68,291,129 km (0.081 R)
• M33: 72,167,509 km (0.102 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 19,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit