🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.9

Radius: 8.9

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.62 AU - 0.64 AU

Year: 351 Days

Day: 5.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,235,452 km

• M1: 110,702 km (0.098 R)
• M2: 485,894 km (0.11 R)
• M3: 859,889 km (0.072 R)
• M4: 1,237,174 km (0.089 R)
• M5: 1,535,024 km (0.112 R)
• M6: 1,912,459 km (0.116 R)
• M7: 2,297,375 km (0.119 R)
• M8: 2,634,119 km (0.073 R)
• M9: 3,057,930 km (0.085 R)
• M10: 3,514,652 km (0.119 R)
• M11: 4,230,179 km (0.114 R)
• M12: 4,550,767 km (0.086 R)
• M13: 5,039,354 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 10.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.64 AU - 0.72 AU

Year: 394 Days

Day: 14.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,235,452 km

• M1: 134,339 km (0.07 R)
• M2: 498,610 km (0.117 R)
• M3: 838,496 km (0.09 R)
• M4: 1,200,523 km (0.063 R)
• M5: 2,014,784 km (0.118 R)
• M6: 2,432,761 km (0.106 R)
• M7: 2,954,708 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.3

Radius: 10.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.62 AU - 0.82 AU

Year: 429 Days

Day: 13.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 68.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,235,452 km

• M1: 125,662 km (0.101 R)
• M2: 494,870 km (0.064 R)
• M3: 811,568 km (0.084 R)
• M4: 1,300,454 km (0.059 R)
• M5: 1,840,353 km (0.101 R)
• M6: 2,218,686 km (0.09 R)
• M7: 2,543,463 km (0.113 R)
• M8: 3,015,743 km (0.085 R)
• M9: 3,703,146 km (0.089 R)
• M10: 4,176,922 km (0.113 R)
• M11: 4,836,948 km (0.084 R)
• M12: 5,215,431 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 8.4

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.92 AU - 1.1 AU

Year: 713 Days

Day: 7.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,235,452 km

• M1: 104,569 km (0.059 R)
• M2: 812,915 km (0.104 R)
• M3: 1,391,410 km (0.054 R)
• M4: 1,879,996 km (0.052 R)
• M5: 2,412,565 km (0.09 R)
• M6: 3,016,641 km (0.046 R)
• M7: 3,501,039 km (0.107 R)
• M8: 4,146,554 km (0.03 R)
• M9: 4,781,148 km (0.091 R)
• M10: 5,067,029 km (0.115 R)
• M11: 5,594,960 km (0.061 R)
• M12: 5,892,511 km (0.079 R)
• M13: 6,221,626 km (0.091 R)
• M14: 7,052,792 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.6

Radius: 10.8

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.36 AU - 1.54 AU

Year: 1227 Days

Day: 8.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,235,452 km

• M1: 137,630 km (0.101 R)
• M2: 504,893 km (0.116 R)
• M3: 1,041,949 km (0.052 R)
• M4: 1,451,249 km (0.091 R)
• M5: 2,488,561 km (0.11 R)
• M6: 3,401,108 km (0.109 R)
• M7: 4,964,705 km (0.078 R)
• M8: 5,915,249 km (0.028 R)
• M9: 7,025,415 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 13

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.47 AU - 1.61 AU

Year: 1343 Days

Day: 8.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,235,452 km

• M1: 161,865 km (0.11 R)
• M2: 1,233,135 km (0.118 R)
• M3: 2,101,850 km (0.096 R)
• M4: 2,826,203 km (0.116 R)
• M5: 3,727,979 km (0.118 R)
• M6: 5,197,778 km (0.083 R)
• M7: 7,574,888 km (0.067 R)
• M8: 8,792,316 km (0.086 R)
• M9: 9,589,523 km (0.077 R)
• M10: 10,434,302 km (0.066 R)
• M11: 11,866,552 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.2

Radius: 12.2

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.93 AU - 3.03 AU

Year: 2745 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 81.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,235,452 km

• M1: 151,692 km (0.055 R)
• M2: 537,206 km (0.101 R)
• M3: 993,629 km (0.077 R)
• M4: 1,411,007 km (0.094 R)
• M5: 2,065,647 km (0.072 R)
• M6: 3,455,561 km (0.104 R)
• M7: 4,140,271 km (0.078 R)
• M8: 5,489,195 km (0.054 R)
• M9: 6,665,782 km (0.094 R)
• M10: 7,313,840 km (0.096 R)
• M11: 8,736,366 km (0.094 R)
• M12: 9,478,521 km (0.11 R)
• M13: 11,637,518 km (0.089 R)
• M14: 12,620,226 km (0.046 R)
• M15: 13,746,548 km (0.057 R)
• M16: 14,564,849 km (0.065 R)
• M17: 15,128,085 km (0.11 R)
• M18: 17,214,975 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.4

Radius: 8.7

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.74 AU - 5.32 AU

Year: 6777 Days

Day: 8.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 24,235,452 km

• M1: 110,104 km (0.067 R)
• M2: 505,641 km (0.086 R)
• M3: 1,117,496 km (0.119 R)
• M4: 1,601,445 km (0.113 R)
• M5: 3,116,572 km (0.089 R)
• M6: 3,424,295 km (0.05 R)
• M7: 3,902,260 km (0.06 R)
• M8: 5,095,303 km (0.084 R)
• M9: 5,414,695 km (0.101 R)
• M10: 5,832,671 km (0.096 R)
• M11: 7,933,325 km (0.112 R)
• M12: 8,290,714 km (0.11 R)
• M13: 9,787,740 km (0.06 R)
• M14: 10,366,684 km (0.11 R)
• M15: 11,188,724 km (0.081 R)
• M16: 12,100,373 km (0.105 R)
• M17: 13,458,572 km (0.112 R)
• M18: 13,915,893 km (0.106 R)
• M19: 15,131,974 km (0.118 R)
• M20: 17,116,390 km (0.082 R)
• M21: 17,413,342 km (0.111 R)
• M22: 19,525,065 km (0.107 R)
• M23: 21,941,220 km (0.094 R)
• M24: 22,433,098 km (0.083 R)
• M25: 25,540,695 km (0.101 R)
• M26: 26,085,082 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 12.6

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.61 AU - 5.81 AU

Year: 7185 Days

Day: 13.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,235,452 km

• M1: 159,771 km (0.106 R)
• M2: 620,233 km (0.078 R)
• M3: 1,078,301 km (0.093 R)
• M4: 1,720,974 km (0.091 R)
• M5: 2,531,196 km (0.076 R)
• M6: 3,640,913 km (0.084 R)
• M7: 4,476,567 km (0.099 R)
• M8: 5,280,057 km (0.079 R)
• M9: 6,148,921 km (0.094 R)
• M10: 7,016,439 km (0.12 R)
• M11: 7,727,777 km (0.085 R)
• M12: 9,332,514 km (0.049 R)
• M13: 9,756,624 km (0.098 R)
• M14: 10,396,454 km (0.076 R)
• M15: 13,239,561 km (0.109 R)
• M16: 14,275,975 km (0.053 R)
• M17: 15,794,992 km (0.093 R)
• M18: 18,542,058 km (0.079 R)
• M19: 20,541,583 km (0.108 R)
• M20: 21,660,425 km (0.119 R)
• M21: 23,591,135 km (0.118 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: 427 - 16,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit