🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.6

Radius: 14.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.31 AU - 1.97 AU

Year: 1378 Days

Day: 10.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,559,289 km

• M1: 184,454 km (0.114 R)
• M2: 802,144 km (0.084 R)
• M3: 1,380,190 km (0.105 R)
• M4: 2,028,098 km (0.112 R)
• M5: 2,789,551 km (0.076 R)
• M6: 3,286,067 km (0.076 R)
• M7: 4,732,529 km (0.104 R)
• M8: 6,117,655 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621

Radius: 13.9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.51 AU - 1.93 AU

Year: 1480 Days

Day: 9 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,559,289 km

• M1: 172,935 km (0.116 R)
• M2: 992,432 km (0.053 R)
• M3: 1,443,919 km (0.107 R)
• M4: 2,025,854 km (0.057 R)
• M5: 2,776,237 km (0.115 R)
• M6: 4,379,777 km (0.034 R)
• M7: 4,932,840 km (0.098 R)
• M8: 5,906,124 km (0.098 R)
• M9: 6,778,878 km (0.103 R)
• M10: 7,495,153 km (0.045 R)
• M11: 8,489,829 km (0.061 R)
• M12: 10,079,755 km (0.116 R)
• M13: 11,291,647 km (0.05 R)
• M14: 11,788,312 km (0.098 R)
• M15: 12,787,626 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.9

Radius: 9.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.87 AU - 1.97 AU

Year: 1745 Days

Day: 13.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,559,289 km

• M1: 121,174 km (0.048 R)
• M2: 427,551 km (0.097 R)
• M3: 825,032 km (0.079 R)
• M4: 1,262,756 km (0.045 R)
• M5: 1,642,285 km (0.075 R)
• M6: 2,149,422 km (0.065 R)
• M7: 2,727,468 km (0.106 R)
• M8: 3,104,006 km (0.062 R)
• M9: 3,527,219 km (0.089 R)
• M10: 3,869,798 km (0.1 R)
• M11: 4,786,982 km (0.053 R)
• M12: 5,353,958 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 12.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.33 AU - 2.57 AU

Year: 2516 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,559,289 km

• M1: 159,322 km (0.12 R)
• M2: 577,747 km (0.08 R)
• M3: 1,040,603 km (0.094 R)
• M4: 1,465,311 km (0.092 R)
• M5: 2,498,733 km (0.096 R)
• M6: 2,910,726 km (0.105 R)
• M7: 3,989,177 km (0.09 R)
• M8: 4,685,256 km (0.104 R)
• M9: 5,557,561 km (0.119 R)
• M10: 6,454,251 km (0.107 R)
• M11: 6,951,663 km (0.108 R)
• M12: 7,685,142 km (0.105 R)
• M13: 8,665,606 km (0.093 R)
• M14: 9,203,411 km (0.088 R)
• M15: 13,436,881 km (0.025 R)
• M16: 14,669,418 km (0.069 R)
• M17: 17,464,355 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.2

Radius: 12.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.44 AU - 3.46 AU

Year: 3324 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,559,289 km

• M1: 150,944 km (0.095 R)
• M2: 595,250 km (0.114 R)
• M3: 1,108,969 km (0.084 R)
• M4: 1,651,560 km (0.099 R)
• M5: 2,209,710 km (0.112 R)
• M6: 2,644,292 km (0.118 R)
• M7: 3,082,315 km (0.034 R)
• M8: 3,872,939 km (0.077 R)
• M9: 4,418,523 km (0.076 R)
• M10: 5,268,089 km (0.099 R)
• M11: 6,398,600 km (0.037 R)
• M12: 6,850,535 km (0.117 R)
• M13: 8,620,876 km (0.101 R)
• M14: 10,972,705 km (0.097 R)
• M15: 11,843,963 km (0.11 R)
• M16: 12,573,551 km (0.086 R)
• M17: 13,576,605 km (0.109 R)
• M18: 14,072,522 km (0.119 R)
• M19: 15,100,858 km (0.067 R)
• M20: 15,579,721 km (0.071 R)
• M21: 20,941,458 km (0.109 R)
• M22: 22,763,111 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.4

Radius: 8.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.11 AU - 4.41 AU

Year: 4783 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,559,289 km

• M1: 103,223 km (0.115 R)
• M2: 501,302 km (0.045 R)
• M3: 957,127 km (0.109 R)
• M4: 1,433,447 km (0.117 R)
• M5: 2,107,385 km (0.068 R)
• M6: 2,404,487 km (0.073 R)
• M7: 3,418,910 km (0.113 R)
• M8: 4,492,424 km (0.103 R)
• M9: 4,839,790 km (0.039 R)
• M10: 5,799,461 km (0.094 R)
• M11: 6,566,150 km (0.056 R)
• M12: 6,880,604 km (0.114 R)
• M13: 7,177,556 km (0.114 R)
• M14: 8,001,691 km (0.065 R)
• M15: 11,631,384 km (0.063 R)
• M16: 13,257,214 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.2

Radius: 8.1

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.45 AU - 4.15 AU

Year: 4859 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 119.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,559,289 km

• M1: 100,829 km (0.064 R)
• M2: 352,752 km (0.062 R)
• M3: 1,156,691 km (0.091 R)
• M4: 1,511,836 km (0.112 R)
• M5: 1,821,653 km (0.115 R)
• M6: 2,491,253 km (0.12 R)
• M7: 3,471,867 km (0.108 R)
• M8: 3,758,347 km (0.049 R)
• M9: 4,616,740 km (0.095 R)
• M10: 4,963,957 km (0.084 R)
• M11: 5,739,023 km (0.078 R)
• M12: 7,939,309 km (0.09 R)
• M13: 8,294,005 km (0.069 R)
• M14: 8,808,173 km (0.107 R)
• M15: 9,619,143 km (0.108 R)
• M16: 9,900,237 km (0.112 R)
• M17: 12,303,976 km (0.102 R)
• M18: 12,875,889 km (0.117 R)
• M19: 14,540,315 km (0.06 R)
• M20: 15,616,073 km (0.062 R)
• M21: 16,229,873 km (0.11 R)
• M22: 18,351,769 km (0.045 R)
• M23: 19,098,263 km (0.059 R)
• M24: 23,353,275 km (0.119 R)
• M25: 25,127,954 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27

Radius: 13.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.68 AU - 5.58 AU

Year: 7622 Days

Day: 14.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,559,289 km

• M1: 172,935 km (0.117 R)
• M2: 859,141 km (0.034 R)
• M3: 1,325,437 km (0.053 R)
• M4: 1,822,700 km (0.098 R)
• M5: 2,482,726 km (0.103 R)
• M6: 4,645,463 km (0.074 R)
• M7: 7,105,300 km (0.108 R)
• M8: 7,636,971 km (0.116 R)
• M9: 9,807,487 km (0.102 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.1

Radius: 11.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.76 AU - 6.92 AU

Year: 9258 Days

Day: 13.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,559,289 km

• M1: 147,055 km (0.074 R)
• M2: 731,982 km (0.089 R)
• M3: 1,105,827 km (0.106 R)
• M4: 1,479,972 km (0.057 R)
• M5: 1,857,108 km (0.082 R)
• M6: 3,134,375 km (0.105 R)
• M7: 4,661,320 km (0.107 R)
• M8: 5,995,733 km (0.113 R)
• M9: 8,990,533 km (0.118 R)
• M10: 9,487,497 km (0.115 R)
• M11: 10,046,395 km (0.11 R)
• M12: 10,491,299 km (0.114 R)
• M13: 12,606,912 km (0.103 R)
• M14: 13,928,310 km (0.109 R)
• M15: 14,878,107 km (0.106 R)
• M16: 19,522,223 km (0.072 R)
• M17: 20,569,109 km (0.081 R)
• M18: 21,433,186 km (0.111 R)
• M19: 22,471,695 km (0.095 R)
• M20: 24,250,114 km (0.111 R)
• M21: 24,809,460 km (0.103 R)
• M22: 25,377,484 km (0.078 R)
• M23: 26,455,486 km (0.066 R)
• M24: 28,613,734 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.5

Radius: 7.6

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.69 AU - 7.41 AU

Year: 9762 Days

Day: 24 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,559,289 km

• M1: 94,546 km (0.12 R)
• M2: 431,291 km (0.064 R)
• M3: 704,307 km (0.08 R)
• M4: 1,191,846 km (0.113 R)
• M5: 1,466,059 km (0.095 R)
• M6: 2,405,833 km (0.115 R)
• M7: 4,078,188 km (0.099 R)
• M8: 4,344,771 km (0.094 R)
• M9: 5,594,811 km (0.12 R)
• M10: 6,993,252 km (0.112 R)
• M11: 7,259,985 km (0.117 R)
• M12: 7,692,921 km (0.108 R)
• M13: 9,739,569 km (0.082 R)
• M14: 9,976,682 km (0.108 R)
• M15: 12,015,402 km (0.059 R)
• M16: 12,960,561 km (0.102 R)
• M17: 13,716,030 km (0.05 R)
• M18: 14,134,904 km (0.103 R)
• M19: 15,187,475 km (0.117 R)
• M20: 17,868,867 km (0.111 R)
• M21: 20,383,458 km (0.079 R)
• M22: 30,021,001 km (0.078 R)
• M23: 31,859,111 km (0.114 R)
• M24: 33,554,653 km (0.096 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 15,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit