🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.51 AU - 0.57 AU

Year: 152 Days

Day: 28.4 Hours

Environment

Temp: 217 °C

Axial Tilt: 4.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.17 AU - 3.43 AU

Year: 1794 Days

Day: 17 Hours

Environment

Temp: -107 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.2

Radius: 14.3

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.26 AU - 5.34 AU

Year: 3414 Days

Day: 6.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,646,870 km

• M1: 178,021 km (0.104 R)
• M2: 760,256 km (0.077 R)
• M3: 1,329,925 km (0.112 R)
• M4: 1,790,687 km (0.047 R)
• M5: 2,823,061 km (0.028 R)
• M6: 3,522,731 km (0.108 R)
• M7: 4,022,537 km (0.091 R)
• M8: 4,617,787 km (0.056 R)
• M9: 6,131,119 km (0.116 R)
• M10: 8,308,217 km (0.116 R)
• M11: 9,239,763 km (0.106 R)
• M12: 9,791,181 km (0.105 R)
• M13: 11,222,533 km (0.117 R)
• M14: 23,155,955 km (0.099 R)
• M15: 24,547,515 km (0.101 R)
• M16: 25,531,270 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.9

Radius: 9.4

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.93 AU - 5.25 AU

Year: 4397 Days

Day: 7.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,646,870 km

• M1: 116,836 km (0.094 R)
• M2: 488,287 km (0.091 R)
• M3: 807,081 km (0.053 R)
• M4: 1,121,685 km (0.098 R)
• M5: 1,790,088 km (0.041 R)
• M6: 2,107,086 km (0.119 R)
• M7: 2,509,055 km (0.058 R)
• M8: 2,873,925 km (0.117 R)
• M9: 3,274,249 km (0.079 R)
• M10: 3,837,185 km (0.081 R)
• M11: 5,777,919 km (0.043 R)
• M12: 6,976,646 km (0.089 R)
• M13: 7,533,450 km (0.087 R)
• M14: 8,478,310 km (0.101 R)
• M15: 11,383,201 km (0.111 R)
• M16: 14,839,810 km (0.081 R)
• M17: 16,777,102 km (0.074 R)
• M18: 18,382,586 km (0.083 R)
• M19: 19,636,217 km (0.079 R)
• M20: 20,023,077 km (0.096 R)
• M21: 21,012,667 km (0.11 R)
• M22: 22,875,758 km (0.064 R)
• M23: 23,665,336 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826

Radius: 12.9

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.18 AU - 6.9 AU

Year: 5684 Days

Day: 14.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,646,870 km

• M1: 160,369 km (0.04 R)
• M2: 568,023 km (0.118 R)
• M3: 1,019,061 km (0.068 R)
• M4: 1,603,839 km (0.054 R)
• M5: 2,180,090 km (0.034 R)
• M6: 3,464,537 km (0.118 R)
• M7: 4,160,466 km (0.096 R)
• M8: 4,864,773 km (0.111 R)
• M9: 5,586,732 km (0.066 R)
• M10: 6,924,137 km (0.104 R)
• M11: 8,465,145 km (0.118 R)
• M12: 9,167,208 km (0.111 R)
• M13: 9,598,050 km (0.058 R)
• M14: 10,042,505 km (0.101 R)
• M15: 10,640,747 km (0.11 R)
• M16: 11,262,775 km (0.045 R)
• M17: 13,439,424 km (0.102 R)
• M18: 14,743,768 km (0.11 R)
• M19: 17,210,637 km (0.073 R)
• M20: 18,001,561 km (0.071 R)
• M21: 19,869,589 km (0.112 R)
• M22: 22,479,324 km (0.038 R)
• M23: 24,232,162 km (0.063 R)
• M24: 25,225,941 km (0.081 R)
• M25: 29,660,620 km (0.102 R)
• M26: 32,557,134 km (0.106 R)
• M27: 33,461,603 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 9.9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.27 AU - 9.07 AU

Year: 8941 Days

Day: 7.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,646,870 km

• M1: 123,119 km (0.067 R)
• M2: 550,670 km (0.103 R)
• M3: 971,937 km (0.091 R)
• M4: 1,553,275 km (0.097 R)
• M5: 2,956,952 km (0.108 R)
• M6: 3,475,009 km (0.07 R)
• M7: 4,863,128 km (0.117 R)
• M8: 5,246,547 km (0.102 R)
• M9: 6,311,235 km (0.035 R)
• M10: 7,023,171 km (0.079 R)
• M11: 8,820,440 km (0.096 R)
• M12: 9,710,248 km (0.074 R)
• M13: 10,224,566 km (0.103 R)
• M14: 11,155,812 km (0.056 R)
• M15: 11,512,753 km (0.077 R)
• M16: 12,035,897 km (0.042 R)
• M17: 13,527,986 km (0.114 R)
• M18: 18,034,622 km (0.12 R)
• M19: 25,241,948 km (0.094 R)
• M20: 25,592,905 km (0.083 R)
• M21: 27,488,908 km (0.069 R)
• M22: 31,457,141 km (0.062 R)
• M23: 36,681,248 km (0.087 R)
• M24: 37,471,873 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.3

Radius: 5.2

Gravity: 34.11 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 10.82 AU - 15.34 AU

Year: 18113 Days

Day: 24.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,646,870 km

• M1: 70,461 km (0.105 R)
• M2: 266,733 km (0.111 R)
• M3: 912,846 km (0.036 R)
• M4: 1,164,619 km (0.104 R)
• M5: 1,826,889 km (0.086 R)
• M6: 2,186,373 km (0.042 R)
• M7: 2,888,735 km (0.088 R)
• M8: 3,885,954 km (0.084 R)
• M9: 4,376,635 km (0.103 R)
• M10: 5,928,414 km (0.119 R)
• M11: 6,269,048 km (0.101 R)
• M12: 6,444,227 km (0.106 R)
• M13: 6,758,682 km (0.054 R)
• M14: 7,614,232 km (0.086 R)
• M15: 8,433,430 km (0.058 R)
• M16: 9,141,028 km (0.081 R)
• M17: 9,595,656 km (0.12 R)
• M18: 11,566,159 km (0.108 R)
• M19: 12,097,980 km (0.111 R)
• M20: 12,855,543 km (0.058 R)
• M21: 17,552,767 km (0.115 R)
• M22: 18,165,819 km (0.104 R)
• M23: 21,545,833 km (0.12 R)
• M24: 33,084,167 km (0.109 R)
• M25: 35,383,786 km (0.117 R)
• M26: 41,057,884 km (0.099 R)
• M27: 44,672,916 km (0.095 R)
• M28: 45,322,470 km (0.104 R)
• M29: 47,477,278 km (0.09 R)
• M30: 47,645,875 km (0.035 R)
• M31: 59,869,517 km (0.117 R)
• M32: 65,960,693 km (0.031 R)
• M33: 66,591,547 km (0.112 R)
• M34: 70,024,669 km (0.057 R)
• M35: 70,242,932 km (0.115 R)
• M36: 71,121,072 km (0.118 R)
• M37: 78,176,257 km (0.046 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: 354 - 17,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit