🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.3

Radius: 14.7

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.57 AU - 0.89 AU

Year: 397 Days

Day: 5.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,113,650 km

• M1: 183,108 km (0.081 R)
• M2: 650,751 km (0.091 R)
• M3: 1,108,221 km (0.119 R)
• M4: 1,624,932 km (0.119 R)
• M5: 2,175,003 km (0.114 R)
• M6: 2,718,193 km (0.102 R)
• M7: 3,625,355 km (0.077 R)
• M8: 4,272,515 km (0.116 R)
• M9: 4,785,636 km (0.101 R)
• M10: 5,339,896 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.5

Radius: 13.7

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.96 AU - 1.28 AU

Year: 754 Days

Day: 10.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,113,650 km

• M1: 173,683 km (0.074 R)
• M2: 641,476 km (0.113 R)
• M3: 1,250,489 km (0.092 R)
• M4: 1,810,284 km (0.092 R)
• M5: 2,401,195 km (0.118 R)
• M6: 3,381,660 km (0.118 R)
• M7: 4,247,682 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.4

Radius: 11.7

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.11 AU - 1.45 AU

Year: 921 Days

Day: 6 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,113,650 km

• M1: 145,559 km (0.082 R)
• M2: 567,574 km (0.096 R)
• M3: 932,144 km (0.103 R)
• M4: 1,659,788 km (0.06 R)
• M5: 2,160,044 km (0.081 R)
• M6: 2,591,933 km (0.085 R)
• M7: 2,983,580 km (0.12 R)
• M8: 3,388,392 km (0.116 R)
• M9: 3,830,154 km (0.088 R)
• M10: 4,341,480 km (0.114 R)
• M11: 5,337,203 km (0.075 R)
• M12: 6,055,423 km (0.12 R)
• M13: 6,562,410 km (0.097 R)
• M14: 6,966,324 km (0.097 R)
• M15: 7,455,060 km (0.109 R)
• M16: 8,230,875 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.4

Radius: 9.8

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.29 AU - 1.63 AU

Year: 1122 Days

Day: 10.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,113,650 km

• M1: 121,922 km (0.078 R)
• M2: 442,361 km (0.088 R)
• M3: 1,899,893 km (0.11 R)
• M4: 3,207,827 km (0.071 R)
• M5: 3,660,809 km (0.036 R)
• M6: 4,420,168 km (0.113 R)
• M7: 4,766,188 km (0.086 R)
• M8: 5,205,258 km (0.079 R)
• M9: 6,101,648 km (0.091 R)
• M10: 6,620,155 km (0.082 R)
• M11: 8,536,802 km (0.09 R)
• M12: 8,911,545 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.2

Radius: 8.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.47 AU - 1.63 AU

Year: 1227 Days

Day: 11.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,113,650 km

• M1: 104,569 km (0.076 R)
• M2: 519,404 km (0.088 R)
• M3: 1,477,279 km (0.09 R)
• M4: 3,228,920 km (0.035 R)
• M5: 3,659,014 km (0.093 R)
• M6: 4,057,693 km (0.052 R)
• M7: 4,499,904 km (0.048 R)
• M8: 5,447,008 km (0.101 R)
• M9: 6,039,715 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.6

Radius: 9.1

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.5 AU - 1.76 AU

Year: 1323 Days

Day: 10 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,113,650 km

• M1: 113,246 km (0.097 R)
• M2: 404,064 km (0.109 R)
• M3: 693,237 km (0.113 R)
• M4: 1,074,412 km (0.049 R)
• M5: 1,558,062 km (0.086 R)
• M6: 2,081,804 km (0.097 R)
• M7: 2,391,472 km (0.108 R)
• M8: 2,758,585 km (0.118 R)
• M9: 3,047,757 km (0.1 R)
• M10: 3,357,126 km (0.1 R)
• M11: 3,802,479 km (0.092 R)
• M12: 4,488,235 km (0.036 R)
• M13: 5,506,548 km (0.09 R)
• M14: 6,918,303 km (0.052 R)
• M15: 8,215,915 km (0.084 R)
• M16: 9,267,738 km (0.091 R)
• M17: 10,739,182 km (0.053 R)
• M18: 11,850,844 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.4

Radius: 10.4

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.47 AU - 1.83 AU

Year: 1348 Days

Day: 11.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,113,650 km

• M1: 130,449 km (0.09 R)
• M2: 587,620 km (0.065 R)
• M3: 1,044,792 km (0.1 R)
• M4: 1,461,272 km (0.062 R)
• M5: 1,845,290 km (0.111 R)
• M6: 2,190,412 km (0.088 R)
• M7: 3,184,939 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.3

Radius: 12.7

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.76 AU - 3.84 AU

Year: 4710 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,113,650 km

• M1: 157,975 km (0.062 R)
• M2: 612,005 km (0.104 R)
• M3: 1,290,730 km (0.054 R)
• M4: 2,406,431 km (0.112 R)
• M5: 3,306,412 km (0.102 R)
• M6: 5,198,676 km (0.109 R)
• M7: 5,916,446 km (0.068 R)
• M8: 6,963,930 km (0.06 R)
• M9: 8,625,664 km (0.069 R)
• M10: 9,674,494 km (0.117 R)
• M11: 11,172,268 km (0.107 R)
• M12: 11,640,958 km (0.111 R)
• M13: 13,648,263 km (0.093 R)
• M14: 14,130,117 km (0.06 R)
• M15: 14,902,042 km (0.045 R)
• M16: 15,701,942 km (0.109 R)
• M17: 16,350,299 km (0.095 R)
• M18: 18,532,932 km (0.115 R)
• M19: 19,124,293 km (0.107 R)
• M20: 20,692,677 km (0.089 R)
• M21: 21,616,144 km (0.096 R)
• M22: 22,492,937 km (0.106 R)
• M23: 24,473,763 km (0.115 R)
• M24: 25,506,736 km (0.029 R)
• M25: 26,403,127 km (0.105 R)
• M26: 29,130,894 km (0.075 R)

Asteroid Belt

Center: 4.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.8

Radius: 10.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.84 AU - 5 AU

Year: 6939 Days

Day: 13.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,113,650 km

• M1: 135,685 km (0.083 R)
• M2: 541,245 km (0.117 R)
• M3: 910,153 km (0.069 R)
• M4: 1,431,951 km (0.084 R)
• M5: 3,482,489 km (0.099 R)
• M6: 4,233,620 km (0.049 R)
• M7: 4,826,476 km (0.111 R)
• M8: 5,615,904 km (0.112 R)
• M9: 6,332,478 km (0.11 R)
• M10: 6,876,117 km (0.075 R)
• M11: 9,287,485 km (0.111 R)
• M12: 10,117,753 km (0.068 R)
• M13: 10,594,970 km (0.085 R)
• M14: 19,950,671 km (0.094 R)
• M15: 23,294,184 km (0.076 R)
• M16: 24,435,466 km (0.098 R)
• M17: 27,076,915 km (0.063 R)
• M18: 27,493,097 km (0.106 R)
• M19: 28,167,783 km (0.096 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: 507 - 16,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit