🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.46 AU - 0.62 AU

Year: 260 Days

Day: 29.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 49.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.4

Radius: 12.7

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.67 AU - 0.79 AU

Year: 409 Days

Day: 14.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,401,525 km

• M1: 157,975 km (0.119 R)
• M2: 811,120 km (0.09 R)
• M3: 1,226,553 km (0.111 R)
• M4: 2,353,922 km (0.092 R)
• M5: 3,310,302 km (0.066 R)
• M6: 4,019,246 km (0.075 R)
• M7: 4,537,453 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.1

Radius: 8.3

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.88 AU - 1.04 AU

Year: 617 Days

Day: 14.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,401,525 km

• M1: 103,522 km (0.078 R)
• M2: 403,765 km (0.1 R)
• M3: 664,215 km (0.072 R)
• M4: 1,370,616 km (0.113 R)
• M5: 2,518,031 km (0.103 R)
• M6: 3,127,792 km (0.052 R)
• M7: 3,626,701 km (0.083 R)
• M8: 3,902,560 km (0.088 R)
• M9: 4,848,467 km (0.066 R)
• M10: 5,270,333 km (0.098 R)
• M11: 5,771,785 km (0.092 R)
• M12: 6,207,115 km (0.075 R)
• M13: 6,664,286 km (0.104 R)
• M14: 7,272,401 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80

Radius: 14.1

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.95 AU - 1.51 AU

Year: 895 Days

Day: 6.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,401,525 km

• M1: 179,218 km (0.108 R)
• M2: 637,885 km (0.106 R)
• M3: 1,116,299 km (0.113 R)
• M4: 1,569,282 km (0.074 R)
• M5: 2,333,128 km (0.113 R)
• M6: 2,897,711 km (0.083 R)
• M7: 3,410,233 km (0.114 R)
• M8: 4,422,113 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.6

Radius: 14.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.18 AU - 3.28 AU

Year: 2959 Days

Day: 11.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,401,525 km

• M1: 180,415 km (0.111 R)
• M2: 692,489 km (0.081 R)
• M3: 1,604,138 km (0.098 R)
• M4: 2,150,021 km (0.104 R)
• M5: 2,643,394 km (0.107 R)
• M6: 5,544,695 km (0.081 R)
• M7: 6,611,627 km (0.067 R)
• M8: 8,010,368 km (0.084 R)
• M9: 9,405,218 km (0.099 R)
• M10: 13,229,089 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.6

Radius: 9.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.34 AU - 4.92 AU

Year: 6536 Days

Day: 7.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,401,525 km

• M1: 118,182 km (0.116 R)
• M2: 480,808 km (0.12 R)
• M3: 832,063 km (0.077 R)
• M4: 2,446,075 km (0.098 R)
• M5: 5,153,796 km (0.108 R)
• M6: 6,952,112 km (0.071 R)
• M7: 7,529,859 km (0.1 R)
• M8: 10,468,111 km (0.117 R)
• M9: 13,311,368 km (0.097 R)
• M10: 14,689,763 km (0.042 R)
• M11: 17,727,946 km (0.103 R)
• M12: 18,420,584 km (0.088 R)
• M13: 20,061,523 km (0.116 R)
• M14: 21,940,921 km (0.12 R)
• M15: 22,886,529 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814

Radius: 15

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.54 AU - 6.9 AU

Year: 8974 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,401,525 km

• M1: 186,698 km (0.11 R)
• M2: 744,249 km (0.085 R)
• M3: 2,608,688 km (0.057 R)
• M4: 3,289,059 km (0.09 R)
• M5: 3,773,008 km (0.092 R)
• M6: 5,009,285 km (0.111 R)
• M7: 6,501,523 km (0.057 R)
• M8: 7,431,873 km (0.113 R)
• M9: 9,849,673 km (0.068 R)
• M10: 10,502,668 km (0.089 R)
• M11: 11,024,465 km (0.066 R)
• M12: 12,988,835 km (0.104 R)
• M13: 13,590,667 km (0.072 R)
• M14: 14,850,431 km (0.085 R)
• M15: 16,602,970 km (0.085 R)
• M16: 18,265,152 km (0.087 R)
• M17: 19,563,213 km (0.108 R)
• M18: 21,499,608 km (0.109 R)
• M19: 22,600,349 km (0.098 R)
• M20: 25,656,932 km (0.097 R)
• M21: 32,031,896 km (0.064 R)
• M22: 32,578,975 km (0.03 R)
• M23: 38,153,890 km (0.092 R)
• M24: 40,272,046 km (0.074 R)
• M25: 42,205,000 km (0.043 R)
• M26: 46,116,536 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.4

Radius: 4.8

Gravity: 39.56 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.1 AU - 7.5 AU

Year: 12939 Days

Day: 15.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,401,525 km

• M1: 59,690 km (0.101 R)
• M2: 297,101 km (0.099 R)
• M3: 455,675 km (0.067 R)
• M4: 672,592 km (0.106 R)
• M5: 1,250,040 km (0.117 R)
• M6: 1,995,935 km (0.116 R)
• M7: 3,573,295 km (0.089 R)
• M8: 4,092,250 km (0.058 R)
• M9: 4,594,599 km (0.119 R)
• M10: 7,062,815 km (0.059 R)
• M11: 7,644,900 km (0.106 R)
• M12: 8,404,558 km (0.118 R)
• M13: 9,690,202 km (0.12 R)
• M14: 12,773,863 km (0.032 R)
• M15: 15,328,097 km (0.092 R)
• M16: 16,919,519 km (0.065 R)
• M17: 18,121,388 km (0.106 R)
• M18: 19,208,217 km (0.056 R)
• M19: 19,637,413 km (0.09 R)
• M20: 21,145,061 km (0.1 R)
• M21: 23,793,691 km (0.1 R)
• M22: 24,288,710 km (0.111 R)
• M23: 24,488,723 km (0.117 R)
• M24: 27,189,263 km (0.099 R)
• M25: 32,079,917 km (0.067 R)
• M26: 39,699,685 km (0.109 R)
• M27: 41,669,589 km (0.08 R)
• M28: 42,824,036 km (0.092 R)
• M29: 48,441,586 km (0.107 R)
• M30: 49,396,469 km (0.051 R)
• M31: 49,717,506 km (0.077 R)
• M32: 49,878,473 km (0.079 R)
• M33: 52,170,013 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.5

Radius: 7.2

Gravity: 17.6 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.58 AU - 9.6 AU

Year: 15095 Days

Day: 21.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,401,525 km

• M1: 90,956 km (0.097 R)
• M2: 418,126 km (0.113 R)
• M3: 669,301 km (0.091 R)
• M4: 1,023,997 km (0.096 R)
• M5: 1,279,810 km (0.046 R)
• M6: 1,643,931 km (0.118 R)
• M7: 2,134,462 km (0.113 R)
• M8: 2,742,279 km (0.089 R)
• M9: 3,086,802 km (0.048 R)
• M10: 3,686,540 km (0.113 R)
• M11: 4,201,007 km (0.047 R)
• M12: 5,224,706 km (0.091 R)
• M13: 5,953,696 km (0.112 R)
• M14: 7,659,411 km (0.083 R)
• M15: 8,344,270 km (0.094 R)
• M16: 10,350,228 km (0.034 R)
• M17: 11,558,530 km (0.112 R)
• M18: 12,067,312 km (0.092 R)
• M19: 16,369,897 km (0.047 R)
• M20: 17,256,264 km (0.101 R)
• M21: 20,107,151 km (0.101 R)
• M22: 22,076,307 km (0.1 R)
• M23: 26,832,024 km (0.07 R)
• M24: 27,498,781 km (0.094 R)
• M25: 27,836,274 km (0.107 R)
• M26: 28,519,338 km (0.114 R)
• M27: 30,515,871 km (0.069 R)
• M28: 33,108,402 km (0.069 R)
• M29: 36,788,510 km (0.107 R)
• M30: 41,612,742 km (0.117 R)
• M31: 46,523,143 km (0.051 R)
• M32: 47,808,488 km (0.106 R)
• M33: 56,745,165 km (0.074 R)
• M34: 58,582,526 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 14,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit