🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 9.8

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.74 AU - 0.96 AU

Year: 506 Days

Day: 11.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,515,773 km

• M1: 122,072 km (0.117 R)
• M2: 480,808 km (0.109 R)
• M3: 790,026 km (0.03 R)
• M4: 1,263,952 km (0.078 R)
• M5: 1,823,299 km (0.096 R)
• M6: 2,147,477 km (0.086 R)
• M7: 2,869,586 km (0.097 R)
• M8: 3,215,008 km (0.077 R)
• M9: 5,030,976 km (0.112 R)
• M10: 5,783,304 km (0.099 R)
• M11: 6,472,352 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801

Radius: 13.3

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.34 AU - 1.86 AU

Year: 1307 Days

Day: 9.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,515,773 km

• M1: 166,054 km (0.097 R)
• M2: 648,058 km (0.113 R)
• M3: 1,151,006 km (0.08 R)
• M4: 1,648,269 km (0.117 R)
• M5: 2,336,569 km (0.076 R)
• M6: 2,869,736 km (0.031 R)
• M7: 3,789,763 km (0.11 R)
• M8: 4,741,056 km (0.065 R)
• M9: 5,180,425 km (0.041 R)
• M10: 6,049,588 km (0.119 R)
• M11: 7,720,746 km (0.043 R)
• M12: 10,592,427 km (0.088 R)
• M13: 11,068,896 km (0.082 R)
• M14: 11,524,122 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.4

Radius: 9.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.4 AU - 1.94 AU

Year: 1393 Days

Day: 14.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,515,773 km

• M1: 123,269 km (0.077 R)
• M2: 481,556 km (0.057 R)
• M3: 791,223 km (0.045 R)
• M4: 1,181,973 km (0.108 R)
• M5: 1,658,741 km (0.079 R)
• M6: 2,334,924 km (0.104 R)
• M7: 2,660,149 km (0.101 R)
• M8: 2,990,162 km (0.054 R)
• M9: 3,515,550 km (0.109 R)
• M10: 4,343,574 km (0.065 R)
• M11: 4,874,946 km (0.101 R)
• M12: 5,184,314 km (0.119 R)
• M13: 5,702,820 km (0.119 R)
• M14: 6,447,668 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262

Radius: 13.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.18 AU - 3.56 AU

Year: 3139 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,515,773 km

• M1: 165,455 km (0.053 R)
• M2: 796,160 km (0.108 R)
• M3: 1,848,730 km (0.079 R)
• M4: 2,768,757 km (0.069 R)
• M5: 3,993,066 km (0.101 R)
• M6: 5,505,202 km (0.081 R)
• M7: 6,353,272 km (0.046 R)
• M8: 10,424,578 km (0.101 R)
• M9: 14,282,258 km (0.081 R)
• M10: 14,908,325 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.3

Radius: 14.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.79 AU - 3.57 AU

Year: 3661 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,515,773 km

• M1: 180,415 km (0.109 R)
• M2: 736,770 km (0.053 R)
• M3: 1,488,798 km (0.04 R)
• M4: 1,992,494 km (0.11 R)
• M5: 2,471,656 km (0.092 R)
• M6: 3,750,269 km (0.087 R)
• M7: 4,561,089 km (0.038 R)
• M8: 5,566,686 km (0.097 R)
• M9: 6,654,263 km (0.094 R)
• M10: 7,609,595 km (0.1 R)
• M11: 8,727,540 km (0.113 R)
• M12: 9,557,808 km (0.112 R)
• M13: 10,943,832 km (0.035 R)
• M14: 12,413,781 km (0.072 R)
• M15: 13,562,992 km (0.09 R)
• M16: 14,419,140 km (0.102 R)
• M17: 15,743,231 km (0.096 R)
• M18: 17,320,890 km (0.057 R)
• M19: 19,564,559 km (0.114 R)
• M20: 20,723,344 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.3

Radius: 10.1

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4 AU - 5.26 AU

Year: 6433 Days

Day: 7.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,515,773 km

• M1: 131,347 km (0.104 R)
• M2: 1,095,206 km (0.098 R)
• M3: 2,224,072 km (0.08 R)
• M4: 3,828,658 km (0.111 R)
• M5: 5,831,624 km (0.113 R)
• M6: 8,001,841 km (0.053 R)
• M7: 8,788,875 km (0.106 R)
• M8: 9,581,295 km (0.081 R)
• M9: 10,809,194 km (0.1 R)
• M10: 11,207,274 km (0.032 R)
• M11: 11,927,438 km (0.119 R)
• M12: 13,233,577 km (0.089 R)
• M13: 18,276,970 km (0.054 R)
• M14: 20,158,313 km (0.109 R)
• M15: 24,302,024 km (0.101 R)
• M16: 25,246,137 km (0.052 R)
• M17: 27,852,132 km (0.092 R)
• M18: 28,601,467 km (0.049 R)
• M19: 28,981,147 km (0.077 R)
• M20: 31,531,491 km (0.12 R)
• M21: 33,382,615 km (0.12 R)
• M22: 37,412,782 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.7

Radius: 13

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.73 AU - 7.13 AU

Year: 9324 Days

Day: 9.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,515,773 km

• M1: 191,186 km (0.117 R)
• M2: 693,536 km (0.111 R)
• M3: 1,123,929 km (0.114 R)
• M4: 1,621,043 km (0.076 R)
• M5: 2,791,795 km (0.026 R)
• M6: 4,983,554 km (0.118 R)
• M7: 6,355,366 km (0.1 R)
• M8: 8,808,622 km (0.108 R)
• M9: 9,997,027 km (0.087 R)
• M10: 10,458,686 km (0.12 R)
• M11: 12,984,347 km (0.088 R)
• M12: 13,892,705 km (0.113 R)
• M13: 15,169,224 km (0.081 R)
• M14: 17,169,048 km (0.109 R)
• M15: 18,764,510 km (0.096 R)
• M16: 23,475,197 km (0.114 R)
• M17: 26,538,961 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.4

Radius: 5.9

Gravity: 21.64 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.76 AU - 12.22 AU

Year: 23524 Days

Day: 15.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,515,773 km

• M1: 73,901 km (0.085 R)
• M2: 270,024 km (0.094 R)
• M3: 794,065 km (0.079 R)
• M4: 1,151,156 km (0.043 R)
• M5: 1,489,396 km (0.12 R)
• M6: 2,272,840 km (0.119 R)
• M7: 2,911,923 km (0.056 R)
• M8: 3,273,201 km (0.072 R)
• M9: 3,726,932 km (0.109 R)
• M10: 4,255,910 km (0.086 R)
• M11: 5,141,529 km (0.056 R)
• M12: 6,977,245 km (0.074 R)
• M13: 9,444,712 km (0.047 R)
• M14: 10,487,409 km (0.045 R)
• M15: 10,808,147 km (0.079 R)
• M16: 11,878,669 km (0.092 R)
• M17: 12,227,083 km (0.083 R)
• M18: 12,798,995 km (0.082 R)
• M19: 14,306,493 km (0.065 R)
• M20: 15,347,545 km (0.085 R)
• M21: 18,123,632 km (0.107 R)
• M22: 21,014,312 km (0.062 R)
• M23: 21,319,342 km (0.071 R)
• M24: 23,103,446 km (0.058 R)
• M25: 24,871,394 km (0.067 R)
• M26: 28,549,856 km (0.098 R)
• M27: 29,809,769 km (0.051 R)
• M28: 32,304,763 km (0.119 R)
• M29: 36,376,069 km (0.063 R)
• M30: 39,528,993 km (0.067 R)
• M31: 65,102,301 km (0.083 R)
• M32: 66,621,317 km (0.111 R)
• M33: 67,059,639 km (0.045 R)
• M34: 67,279,398 km (0.055 R)
• M35: 80,374,298 km (0.056 R)
• M36: 84,918,633 km (0.114 R)
• M37: 85,951,307 km (0.077 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: 360 - 14,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit