🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.8

Radius: 13.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.64 AU - 0.92 AU

Year: 476 Days

Day: 8.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,429,942 km

• M1: 178,620 km (0.104 R)
• M2: 650,452 km (0.119 R)
• M3: 1,440,328 km (0.113 R)
• M4: 1,873,414 km (0.114 R)
• M5: 2,590,736 km (0.033 R)
• M6: 3,276,642 km (0.044 R)
• M7: 3,907,945 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 13.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.05 AU - 1.55 AU

Year: 1023 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 39,429,942 km

• M1: 171,888 km (0.092 R)
• M2: 651,798 km (0.103 R)
• M3: 1,418,337 km (0.089 R)
• M4: 2,664,488 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.9

Radius: 8.2

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.4 AU - 1.92 AU

Year: 1476 Days

Day: 13.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,429,942 km

• M1: 102,026 km (0.077 R)
• M2: 372,798 km (0.092 R)
• M3: 718,818 km (0.114 R)
• M4: 1,336,208 km (0.104 R)
• M5: 1,779,915 km (0.113 R)
• M6: 2,344,199 km (0.113 R)
• M7: 2,661,496 km (0.099 R)
• M8: 2,947,676 km (0.116 R)
• M9: 3,565,815 km (0.115 R)
• M10: 4,153,884 km (0.07 R)
• M11: 4,560,641 km (0.115 R)
• M12: 6,014,732 km (0.094 R)
• M13: 6,384,239 km (0.106 R)
• M14: 6,716,645 km (0.113 R)
• M15: 7,527,914 km (0.103 R)
• M16: 7,812,450 km (0.111 R)
• M17: 8,222,797 km (0.041 R)
• M18: 8,771,372 km (0.059 R)
• M19: 10,742,025 km (0.084 R)
• M20: 11,323,661 km (0.055 R)
• M21: 13,692,843 km (0.102 R)
• M22: 14,117,551 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.9

Radius: 8.4

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.47 AU - 1.91 AU

Year: 1516 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,429,942 km

• M1: 104,868 km (0.119 R)
• M2: 433,834 km (0.11 R)
• M3: 704,756 km (0.044 R)
• M4: 1,380,340 km (0.098 R)
• M5: 2,053,680 km (0.077 R)
• M6: 2,361,552 km (0.114 R)
• M7: 2,957,700 km (0.116 R)
• M8: 3,398,265 km (0.118 R)
• M9: 4,750,630 km (0.097 R)
• M10: 5,547,239 km (0.097 R)
• M11: 6,406,230 km (0.114 R)
• M12: 7,749,020 km (0.101 R)
• M13: 8,021,887 km (0.066 R)
• M14: 9,608,970 km (0.038 R)
• M15: 10,410,366 km (0.066 R)
• M16: 11,255,744 km (0.086 R)
• M17: 11,748,669 km (0.097 R)
• M18: 12,477,659 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.7

Radius: 9.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.69 AU - 3.93 AU

Year: 4157 Days

Day: 5.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,429,942 km

• M1: 121,324 km (0.108 R)
• M2: 920,476 km (0.091 R)
• M3: 1,261,409 km (0.079 R)
• M4: 3,064,662 km (0.115 R)
• M5: 6,517,082 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.8

Radius: 10

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.65 AU - 5.93 AU

Year: 7236 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,429,942 km

• M1: 124,316 km (0.089 R)
• M2: 599,289 km (0.079 R)
• M3: 1,133,653 km (0.063 R)
• M4: 1,521,859 km (0.058 R)
• M5: 1,920,388 km (0.103 R)
• M6: 2,554,234 km (0.037 R)
• M7: 3,100,715 km (0.054 R)
• M8: 3,460,199 km (0.102 R)
• M9: 3,772,709 km (0.116 R)
• M10: 4,914,739 km (0.085 R)
• M11: 5,469,298 km (0.117 R)
• M12: 6,851,433 km (0.097 R)
• M13: 9,480,466 km (0.118 R)
• M14: 10,048,339 km (0.106 R)
• M15: 11,567,356 km (0.105 R)
• M16: 11,942,847 km (0.114 R)
• M17: 12,718,213 km (0.04 R)
• M18: 15,055,231 km (0.103 R)
• M19: 18,019,961 km (0.106 R)
• M20: 19,412,867 km (0.034 R)
• M21: 20,718,856 km (0.11 R)
• M22: 22,912,111 km (0.114 R)
• M23: 23,762,275 km (0.037 R)
• M24: 29,410,193 km (0.102 R)
• M25: 30,009,782 km (0.036 R)
• M26: 30,822,098 km (0.114 R)
• M27: 38,446,802 km (0.099 R)
• M28: 41,869,452 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.5

Radius: 5.8

Gravity: 14.97 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.84 AU - 7.06 AU

Year: 10018 Days

Day: 21.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,429,942 km

• M1: 72,256 km (0.063 R)
• M2: 332,855 km (0.119 R)
• M3: 731,683 km (0.072 R)
• M4: 1,105,079 km (0.094 R)
• M5: 1,771,538 km (0.091 R)
• M6: 2,039,468 km (0.103 R)
• M7: 2,860,162 km (0.109 R)
• M8: 3,438,507 km (0.05 R)
• M9: 4,171,985 km (0.07 R)
• M10: 5,444,615 km (0.093 R)
• M11: 5,943,823 km (0.099 R)
• M12: 6,656,208 km (0.07 R)
• M13: 10,277,673 km (0.097 R)
• M14: 12,787,626 km (0.118 R)
• M15: 13,969,748 km (0.114 R)
• M16: 14,966,519 km (0.076 R)
• M17: 15,158,603 km (0.091 R)
• M18: 18,459,629 km (0.117 R)
• M19: 22,880,994 km (0.101 R)
• M20: 23,825,256 km (0.097 R)
• M21: 28,056,632 km (0.103 R)
• M22: 29,137,925 km (0.113 R)
• M23: 31,487,958 km (0.04 R)
• M24: 40,892,578 km (0.084 R)
• M25: 41,899,372 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.9

Radius: 5.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.16 AU - 8.68 AU

Year: 13951 Days

Day: 17.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,429,942 km

• M1: 73,453 km (0.105 R)
• M2: 558,449 km (0.033 R)
• M3: 856,597 km (0.113 R)
• M4: 1,073,514 km (0.103 R)
• M5: 1,362,986 km (0.053 R)
• M6: 2,083,150 km (0.027 R)
• M7: 2,707,273 km (0.077 R)
• M8: 3,202,442 km (0.052 R)
• M9: 3,403,052 km (0.081 R)
• M10: 3,756,253 km (0.059 R)
• M11: 4,081,778 km (0.091 R)
• M12: 7,438,904 km (0.051 R)
• M13: 8,156,375 km (0.112 R)
• M14: 9,272,824 km (0.072 R)
• M15: 10,102,943 km (0.092 R)
• M16: 10,487,559 km (0.115 R)
• M17: 11,133,074 km (0.096 R)
• M18: 12,070,155 km (0.079 R)
• M19: 13,228,491 km (0.107 R)
• M20: 16,743,442 km (0.108 R)
• M21: 18,111,066 km (0.11 R)
• M22: 19,038,872 km (0.069 R)
• M23: 20,148,440 km (0.114 R)
• M24: 33,286,723 km (0.081 R)
• M25: 35,002,461 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 11,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit