🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.5

Radius: 9.1

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.45 AU - 0.65 AU

Year: 272 Days

Day: 9 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,994,370 km

• M1: 113,246 km (0.108 R)
• M2: 414,237 km (0.094 R)
• M3: 713,582 km (0.113 R)
• M4: 1,023,100 km (0.067 R)
• M5: 1,363,734 km (0.091 R)
• M6: 1,684,322 km (0.066 R)
• M7: 1,976,936 km (0.103 R)
• M8: 2,327,294 km (0.106 R)
• M9: 2,799,126 km (0.081 R)
• M10: 3,233,408 km (0.109 R)
• M11: 3,540,533 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.5

Radius: 9.4

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.52 AU - 0.62 AU

Year: 287 Days

Day: 12.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,994,370 km

• M1: 116,836 km (0.076 R)
• M2: 461,809 km (0.065 R)
• M3: 883,525 km (0.107 R)
• M4: 1,538,165 km (0.108 R)
• M5: 2,009,399 km (0.044 R)
• M6: 2,479,286 km (0.117 R)
• M7: 2,914,316 km (0.111 R)
• M8: 3,315,388 km (0.114 R)
• M9: 3,696,115 km (0.051 R)
• M10: 4,033,757 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 10.2

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.69 AU - 0.77 AU

Year: 416 Days

Day: 5.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,994,370 km

• M1: 126,859 km (0.064 R)
• M2: 459,415 km (0.096 R)
• M3: 847,771 km (0.049 R)
• M4: 1,203,066 km (0.079 R)
• M5: 1,574,518 km (0.082 R)
• M6: 2,202,230 km (0.115 R)
• M7: 2,574,879 km (0.08 R)
• M8: 2,903,096 km (0.074 R)
• M9: 3,317,782 km (0.076 R)
• M10: 3,645,102 km (0.12 R)
• M11: 4,007,428 km (0.106 R)
• M12: 4,835,452 km (0.096 R)
• M13: 5,322,692 km (0.113 R)
• M14: 5,671,255 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.1

Radius: 11.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.65 AU - 0.83 AU

Year: 424 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,994,370 km

• M1: 145,708 km (0.088 R)
• M2: 585,077 km (0.108 R)
• M3: 993,479 km (0.078 R)
• M4: 1,934,300 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 11.5

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.03 AU - 2.99 AU

Year: 2652 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,994,370 km

• M1: 143,315 km (0.074 R)
• M2: 1,017,266 km (0.1 R)
• M3: 1,524,402 km (0.112 R)
• M4: 2,002,816 km (0.098 R)
• M5: 2,641,150 km (0.109 R)
• M6: 4,633,644 km (0.108 R)
• M7: 6,238,231 km (0.092 R)
• M8: 7,413,023 km (0.081 R)
• M9: 7,889,792 km (0.114 R)
• M10: 8,523,039 km (0.046 R)
• M11: 9,262,053 km (0.1 R)
• M12: 10,469,607 km (0.053 R)
• M13: 11,152,521 km (0.037 R)
• M14: 13,012,771 km (0.119 R)
• M15: 14,871,225 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.4

Radius: 9.3

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.98 AU - 3.08 AU

Year: 2684 Days

Day: 13.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,994,370 km

• M1: 115,639 km (0.081 R)
• M2: 498,610 km (0.044 R)
• M3: 1,141,581 km (0.092 R)
• M4: 1,577,659 km (0.091 R)
• M5: 2,148,375 km (0.098 R)
• M6: 2,518,480 km (0.112 R)
• M7: 3,352,488 km (0.106 R)
• M8: 3,950,880 km (0.076 R)
• M9: 4,423,759 km (0.116 R)
• M10: 4,957,075 km (0.054 R)
• M11: 5,263,601 km (0.055 R)
• M12: 7,840,424 km (0.118 R)
• M13: 8,160,115 km (0.077 R)
• M14: 8,488,333 km (0.09 R)
• M15: 9,066,828 km (0.075 R)
• M16: 10,113,863 km (0.096 R)
• M17: 11,159,403 km (0.08 R)
• M18: 12,707,142 km (0.042 R)
• M19: 13,148,905 km (0.117 R)
• M20: 13,509,585 km (0.036 R)
• M21: 14,345,538 km (0.113 R)
• M22: 18,036,716 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.1

Radius: 11.4

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.18 AU - 3.12 AU

Year: 2877 Days

Day: 14 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,994,370 km

• M1: 143,614 km (0.116 R)
• M2: 512,373 km (0.066 R)
• M3: 902,674 km (0.116 R)
• M4: 2,890,979 km (0.074 R)
• M5: 3,477,103 km (0.096 R)
• M6: 4,099,879 km (0.12 R)
• M7: 4,503,793 km (0.099 R)
• M8: 6,338,761 km (0.081 R)
• M9: 7,736,454 km (0.063 R)
• M10: 8,423,557 km (0.101 R)
• M11: 11,585,457 km (0.067 R)
• M12: 15,262,573 km (0.051 R)
• M13: 16,501,842 km (0.117 R)
• M14: 18,143,978 km (0.091 R)
• M15: 20,012,904 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.5

Radius: 12.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.36 AU - 3.06 AU

Year: 2975 Days

Day: 11.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,994,370 km

• M1: 156,629 km (0.074 R)
• M2: 560,244 km (0.04 R)
• M3: 1,095,056 km (0.025 R)
• M4: 2,004,761 km (0.081 R)
• M5: 2,683,337 km (0.106 R)
• M6: 3,492,512 km (0.074 R)
• M7: 4,024,332 km (0.106 R)
• M8: 4,969,492 km (0.067 R)
• M9: 5,695,041 km (0.098 R)
• M10: 6,136,953 km (0.118 R)
• M11: 7,148,833 km (0.104 R)
• M12: 7,851,644 km (0.099 R)
• M13: 9,008,933 km (0.109 R)
• M14: 9,683,321 km (0.036 R)
• M15: 11,660,705 km (0.054 R)
• M16: 13,390,057 km (0.089 R)
• M17: 16,296,145 km (0.073 R)
• M18: 17,351,857 km (0.032 R)
• M19: 18,962,876 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.1

Radius: 3.5

Gravity: 28.09 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.49 AU - 8.51 AU

Year: 13697 Days

Day: 24.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,994,370 km

• M1: 44,281 km (0.076 R)
• M2: 153,936 km (0.073 R)
• M3: 375,790 km (0.056 R)
• M4: 614,847 km (0.057 R)
• M5: 794,813 km (0.094 R)
• M6: 907,461 km (0.116 R)
• M7: 1,041,351 km (0.12 R)
• M8: 1,236,576 km (0.093 R)
• M9: 1,455,886 km (0.079 R)
• M10: 1,888,823 km (0.107 R)
• M11: 3,208,874 km (0.04 R)
• M12: 4,293,459 km (0.086 R)
• M13: 5,011,977 km (0.059 R)
• M14: 5,567,285 km (0.053 R)
• M15: 6,126,182 km (0.064 R)
• M16: 6,645,137 km (0.106 R)
• M17: 8,156,973 km (0.065 R)
• M18: 9,395,045 km (0.059 R)
• M19: 11,287,459 km (0.109 R)
• M20: 13,297,755 km (0.051 R)
• M21: 14,038,563 km (0.076 R)
• M22: 18,383,334 km (0.108 R)
• M23: 26,695,740 km (0.081 R)
• M24: 43,560,357 km (0.081 R)
• M25: 45,324,415 km (0.071 R)
• M26: 46,994,376 km (0.049 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 20,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit