🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.7

Radius: 15

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.53 AU - 0.61 AU

Year: 297 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,578,199 km

• M1: 186,549 km (0.086 R)
• M2: 735,274 km (0.076 R)
• M3: 1,306,438 km (0.108 R)
• M4: 1,789,639 km (0.092 R)
• M5: 2,560,966 km (0.074 R)
• M6: 3,278,886 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.4

Radius: 8.1

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.85 AU - 0.89 AU

Year: 560 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,578,199 km

• M1: 100,679 km (0.079 R)
• M2: 376,987 km (0.07 R)
• M3: 727,644 km (0.088 R)
• M4: 1,069,774 km (0.068 R)
• M5: 1,336,059 km (0.112 R)
• M6: 1,803,402 km (0.087 R)
• M7: 2,279,423 km (0.119 R)
• M8: 2,763,671 km (0.116 R)
• M9: 3,143,051 km (0.072 R)
• M10: 3,710,177 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.6

Radius: 8.6

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.88 AU - 0.96 AU

Year: 609 Days

Day: 11.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,578,199 km

• M1: 107,561 km (0.075 R)
• M2: 410,197 km (0.11 R)
• M3: 698,173 km (0.117 R)
• M4: 1,506,151 km (0.038 R)
• M5: 1,804,450 km (0.071 R)
• M6: 2,080,458 km (0.086 R)
• M7: 2,394,314 km (0.086 R)
• M8: 2,815,133 km (0.101 R)
• M9: 3,456,758 km (0.117 R)
• M10: 3,859,326 km (0.068 R)
• M11: 5,358,446 km (0.102 R)
• M12: 6,494,343 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.2

Radius: 8.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.2 AU - 1.72 AU

Year: 1218 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,578,199 km

• M1: 136,583 km (0.044 R)
• M2: 461,061 km (0.066 R)
• M3: 746,643 km (0.079 R)
• M4: 1,273,227 km (0.106 R)
• M5: 2,111,275 km (0.107 R)
• M6: 3,347,552 km (0.118 R)
• M7: 6,480,281 km (0.028 R)
• M8: 7,525,521 km (0.043 R)
• M9: 8,140,967 km (0.054 R)
• M10: 9,559,902 km (0.039 R)
• M11: 10,189,560 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.3

Radius: 11.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.33 AU - 1.63 AU

Year: 1243 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,578,199 km

• M1: 146,756 km (0.114 R)
• M2: 524,341 km (0.117 R)
• M3: 902,075 km (0.105 R)
• M4: 1,529,489 km (0.046 R)
• M5: 3,788,117 km (0.116 R)
• M6: 4,739,709 km (0.118 R)
• M7: 5,929,162 km (0.098 R)
• M8: 6,389,475 km (0.092 R)
• M9: 7,161,100 km (0.098 R)
• M10: 8,232,072 km (0.062 R)
• M11: 8,639,427 km (0.104 R)
• M12: 9,319,199 km (0.081 R)
• M13: 9,943,022 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.4

Radius: 14.1

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.03 AU - 2.57 AU

Year: 2408 Days

Day: 9.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,578,199 km

• M1: 177,124 km (0.103 R)
• M2: 719,715 km (0.11 R)
• M3: 1,373,159 km (0.109 R)
• M4: 1,880,744 km (0.112 R)
• M5: 2,608,688 km (0.112 R)
• M6: 4,123,217 km (0.077 R)
• M7: 6,964,978 km (0.105 R)
• M8: 7,747,524 km (0.074 R)
• M9: 8,839,289 km (0.069 R)
• M10: 9,290,776 km (0.081 R)
• M11: 9,757,521 km (0.049 R)
• M12: 10,522,864 km (0.07 R)
• M13: 11,938,808 km (0.104 R)
• M14: 12,491,273 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.1

Radius: 8.9

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.4 AU - 3.12 AU

Year: 3165 Days

Day: 11.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,578,199 km

• M1: 110,702 km (0.103 R)
• M2: 470,186 km (0.059 R)
• M3: 1,273,826 km (0.068 R)
• M4: 1,782,459 km (0.1 R)
• M5: 2,136,108 km (0.091 R)
• M6: 2,655,362 km (0.07 R)
• M7: 3,309,254 km (0.094 R)
• M8: 3,636,724 km (0.093 R)
• M9: 3,926,196 km (0.079 R)
• M10: 5,974,041 km (0.116 R)
• M11: 6,433,905 km (0.114 R)
• M12: 7,734,360 km (0.108 R)
• M13: 8,182,555 km (0.095 R)
• M14: 8,922,167 km (0.077 R)
• M15: 9,487,347 km (0.076 R)
• M16: 10,456,592 km (0.093 R)
• M17: 11,572,742 km (0.049 R)
• M18: 14,659,544 km (0.106 R)
• M19: 15,247,314 km (0.041 R)
• M20: 18,032,976 km (0.112 R)
• M21: 18,481,022 km (0.029 R)
• M22: 19,341,060 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.1

Radius: 13.8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.88 AU - 3.06 AU

Year: 3533 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,578,199 km

• M1: 172,486 km (0.073 R)
• M2: 716,873 km (0.114 R)
• M3: 1,208,452 km (0.111 R)
• M4: 1,740,272 km (0.108 R)
• M5: 3,455,860 km (0.041 R)
• M6: 4,570,215 km (0.103 R)
• M7: 5,846,734 km (0.106 R)
• M8: 7,841,023 km (0.1 R)
• M9: 8,382,866 km (0.098 R)
• M10: 11,306,607 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.3

Radius: 13.9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.36 AU - 5.52 AU

Year: 7579 Days

Day: 13.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,578,199 km

• M1: 173,683 km (0.113 R)
• M2: 734,526 km (0.103 R)
• M3: 1,383,780 km (0.11 R)
• M4: 1,857,258 km (0.105 R)
• M5: 2,350,033 km (0.073 R)
• M6: 2,888,884 km (0.099 R)
• M7: 3,415,918 km (0.037 R)
• M8: 3,853,192 km (0.091 R)
• M9: 5,022,599 km (0.094 R)
• M10: 5,891,763 km (0.094 R)
• M11: 6,635,264 km (0.045 R)
• M12: 7,126,394 km (0.059 R)
• M13: 9,526,692 km (0.108 R)
• M14: 10,755,937 km (0.082 R)
• M15: 11,650,533 km (0.042 R)
• M16: 13,231,632 km (0.066 R)
• M17: 14,445,619 km (0.113 R)
• M18: 16,066,063 km (0.077 R)
• M19: 16,678,068 km (0.105 R)
• M20: 19,897,414 km (0.097 R)
• M21: 21,003,242 km (0.103 R)
• M22: 23,946,879 km (0.081 R)
• M23: 24,656,571 km (0.07 R)
• M24: 25,839,591 km (0.12 R)
• M25: 26,869,872 km (0.103 R)
• M26: 27,443,281 km (0.07 R)
• M27: 31,794,933 km (0.026 R)
• M28: 38,004,890 km (0.097 R)
• M29: 40,951,669 km (0.032 R)
• M30: 42,868,766 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 11,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit