🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.4

Radius: 8.9

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.57 AU - 0.61 AU

Year: 319 Days

Day: 7.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,140,170 km

• M1: 111,002 km (0.108 R)
• M2: 527,482 km (0.052 R)
• M3: 838,197 km (0.084 R)
• M4: 1,125,425 km (0.103 R)
• M5: 1,449,005 km (0.089 R)
• M6: 1,900,791 km (0.087 R)
• M7: 2,238,583 km (0.105 R)
• M8: 2,758,136 km (0.104 R)
• M9: 3,344,859 km (0.086 R)
• M10: 4,228,085 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.6

Radius: 11

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.63 AU - 0.69 AU

Year: 377 Days

Day: 12.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,140,170 km

• M1: 136,882 km (0.082 R)
• M2: 482,453 km (0.074 R)
• M3: 925,113 km (0.109 R)
• M4: 1,324,689 km (0.07 R)
• M5: 1,698,235 km (0.082 R)
• M6: 2,134,163 km (0.075 R)
• M7: 3,642,858 km (0.103 R)
• M8: 4,418,523 km (0.061 R)
• M9: 5,414,845 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.4

Radius: 12.1

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.66 AU - 0.72 AU

Year: 403 Days

Day: 9.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,140,170 km

• M1: 150,495 km (0.065 R)
• M2: 649,105 km (0.055 R)
• M3: 1,036,264 km (0.071 R)
• M4: 1,536,520 km (0.089 R)
• M5: 2,048,892 km (0.115 R)
• M6: 2,436,501 km (0.073 R)
• M7: 2,927,780 km (0.041 R)
• M8: 3,327,206 km (0.102 R)
• M9: 4,265,783 km (0.111 R)
• M10: 4,968,594 km (0.061 R)
• M11: 5,439,678 km (0.096 R)
• M12: 5,834,467 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.2

Radius: 10.9

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.76 AU - 0.8 AU

Year: 484 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,140,170 km

• M1: 135,685 km (0.116 R)
• M2: 515,065 km (0.045 R)
• M3: 1,052,122 km (0.095 R)
• M4: 1,556,117 km (0.053 R)
• M5: 2,021,965 km (0.044 R)
• M6: 2,514,291 km (0.116 R)
• M7: 3,448,081 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.2

Radius: 15

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.26 AU - 1.98 AU

Year: 1449 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,140,170 km

• M1: 191,336 km (0.11 R)
• M2: 782,397 km (0.049 R)
• M3: 1,325,587 km (0.118 R)
• M4: 1,848,730 km (0.114 R)
• M5: 2,746,617 km (0.084 R)
• M6: 3,387,195 km (0.114 R)
• M7: 4,596,395 km (0.045 R)
• M8: 5,101,886 km (0.087 R)
• M9: 8,503,741 km (0.093 R)
• M10: 9,757,671 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.1

Radius: 13.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.67 AU - 4.07 AU

Year: 4349 Days

Day: 8.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,140,170 km

• M1: 172,935 km (0.077 R)
• M2: 820,096 km (0.029 R)
• M3: 1,341,594 km (0.083 R)
• M4: 2,861,508 km (0.096 R)
• M5: 3,562,224 km (0.039 R)
• M6: 4,231,675 km (0.115 R)
• M7: 4,865,521 km (0.116 R)
• M8: 5,562,198 km (0.08 R)
• M9: 6,418,796 km (0.111 R)
• M10: 8,770,026 km (0.059 R)
• M11: 12,483,194 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525

Radius: 9.2

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.37 AU - 4.99 AU

Year: 6007 Days

Day: 7.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,140,170 km

• M1: 114,891 km (0.112 R)
• M2: 549,922 km (0.118 R)
• M3: 980,016 km (0.115 R)
• M4: 1,403,228 km (0.111 R)
• M5: 2,105,740 km (0.104 R)
• M6: 4,193,528 km (0.038 R)
• M7: 4,720,561 km (0.086 R)
• M8: 5,123,727 km (0.082 R)
• M9: 6,154,157 km (0.081 R)
• M10: 7,211,814 km (0.101 R)
• M11: 7,711,022 km (0.06 R)
• M12: 9,514,724 km (0.039 R)
• M13: 10,203,472 km (0.105 R)
• M14: 11,298,080 km (0.077 R)
• M15: 11,825,263 km (0.113 R)
• M16: 13,188,847 km (0.109 R)
• M17: 14,044,697 km (0.057 R)
• M18: 14,542,259 km (0.098 R)
• M19: 15,051,341 km (0.088 R)
• M20: 15,867,098 km (0.052 R)
• M21: 16,528,321 km (0.081 R)
• M22: 17,333,307 km (0.085 R)
• M23: 18,556,718 km (0.108 R)
• M24: 19,290,795 km (0.098 R)
• M25: 21,976,077 km (0.084 R)
• M26: 23,872,828 km (0.058 R)
• M27: 24,422,750 km (0.076 R)
• M28: 24,901,014 km (0.116 R)
• M29: 25,630,005 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 9.3

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.86 AU - 5.06 AU

Year: 7765 Days

Day: 12.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,140,170 km

• M1: 115,789 km (0.084 R)
• M2: 533,316 km (0.089 R)
• M3: 845,826 km (0.088 R)
• M4: 1,296,266 km (0.036 R)
• M5: 1,625,830 km (0.066 R)
• M6: 2,845,800 km (0.093 R)
• M7: 3,296,389 km (0.112 R)
• M8: 4,506,636 km (0.07 R)
• M9: 7,145,692 km (0.072 R)
• M10: 7,535,394 km (0.04 R)
• M11: 9,421,823 km (0.116 R)
• M12: 10,573,727 km (0.106 R)
• M13: 10,875,915 km (0.114 R)
• M14: 14,101,993 km (0.074 R)
• M15: 14,903,837 km (0.112 R)
• M16: 15,932,323 km (0.038 R)
• M17: 17,562,640 km (0.045 R)
• M18: 18,709,458 km (0.119 R)
• M19: 19,451,164 km (0.092 R)
• M20: 19,981,937 km (0.12 R)
• M21: 21,551,668 km (0.038 R)
• M22: 27,409,023 km (0.106 R)
• M23: 29,245,187 km (0.114 R)
• M24: 34,027,532 km (0.093 R)
• M25: 38,351,808 km (0.094 R)
• M26: 39,427,117 km (0.061 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 15,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit