🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.4

Radius: 8.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.85 AU - 1.09 AU

Year: 659 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,173,270 km

• M1: 106,962 km (0.086 R)
• M2: 389,254 km (0.06 R)
• M3: 980,464 km (0.104 R)
• M4: 1,313,769 km (0.077 R)
• M5: 1,737,280 km (0.065 R)
• M6: 2,087,788 km (0.068 R)
• M7: 2,687,526 km (0.104 R)
• M8: 4,040,788 km (0.062 R)
• M9: 4,447,545 km (0.047 R)
• M10: 4,792,218 km (0.118 R)
• M11: 5,093,209 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.6

Radius: 10.2

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.72 AU - 1.84 AU

Year: 1639 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,173,270 km

• M1: 126,859 km (0.118 R)
• M2: 540,946 km (0.111 R)
• M3: 1,317,658 km (0.106 R)
• M4: 1,723,667 km (0.071 R)
• M5: 2,615,569 km (0.082 R)
• M6: 3,067,056 km (0.107 R)
• M7: 4,018,648 km (0.095 R)
• M8: 4,563,034 km (0.105 R)
• M9: 5,460,322 km (0.118 R)
• M10: 6,153,260 km (0.107 R)
• M11: 6,877,613 km (0.085 R)
• M12: 7,491,861 km (0.056 R)
• M13: 7,968,929 km (0.081 R)
• M14: 8,707,344 km (0.111 R)
• M15: 9,235,125 km (0.08 R)
• M16: 9,751,238 km (0.1 R)
• M17: 10,457,639 km (0.045 R)
• M18: 11,710,372 km (0.036 R)
• M19: 12,821,884 km (0.119 R)
• M20: 13,180,769 km (0.086 R)
• M21: 13,546,386 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.4

Radius: 10.2

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2 AU - 2.22 AU

Year: 2116 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,173,270 km

• M1: 126,859 km (0.118 R)
• M2: 482,154 km (0.048 R)
• M3: 1,060,200 km (0.113 R)
• M4: 1,428,211 km (0.118 R)
• M5: 1,940,733 km (0.105 R)
• M6: 2,735,995 km (0.111 R)
• M7: 3,268,265 km (0.07 R)
• M8: 3,735,160 km (0.089 R)
• M9: 4,349,558 km (0.12 R)
• M10: 4,758,708 km (0.117 R)
• M11: 5,679,483 km (0.104 R)
• M12: 6,603,100 km (0.117 R)
• M13: 7,262,677 km (0.113 R)
• M14: 7,809,009 km (0.082 R)
• M15: 8,579,887 km (0.06 R)
• M16: 8,915,734 km (0.064 R)
• M17: 9,260,407 km (0.079 R)
• M18: 9,939,731 km (0.112 R)
• M19: 12,689,191 km (0.051 R)
• M20: 13,037,754 km (0.05 R)
• M21: 14,781,466 km (0.095 R)
• M22: 16,468,930 km (0.092 R)
• M23: 17,466,000 km (0.073 R)
• M24: 17,897,590 km (0.1 R)
• M25: 18,614,313 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 10.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.01 AU - 2.49 AU

Year: 2330 Days

Day: 6.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,173,270 km

• M1: 136,433 km (0.108 R)
• M2: 476,320 km (0.09 R)
• M3: 1,103,583 km (0.084 R)
• M4: 1,736,682 km (0.09 R)
• M5: 2,227,363 km (0.102 R)
• M6: 2,941,543 km (0.104 R)
• M7: 3,735,309 km (0.07 R)
• M8: 4,132,940 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.2

Radius: 12

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.38 AU - 3.46 AU

Year: 4366 Days

Day: 12 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,173,270 km

• M1: 150,944 km (0.076 R)
• M2: 803,341 km (0.055 R)
• M3: 2,445,626 km (0.065 R)
• M4: 3,904,654 km (0.12 R)
• M5: 4,279,845 km (0.077 R)
• M6: 6,216,240 km (0.053 R)
• M7: 8,718,564 km (0.067 R)
• M8: 9,240,660 km (0.095 R)
• M9: 11,828,704 km (0.037 R)
• M10: 12,977,615 km (0.069 R)
• M11: 13,659,034 km (0.094 R)
• M12: 14,254,134 km (0.117 R)
• M13: 14,810,189 km (0.074 R)
• M14: 15,438,351 km (0.088 R)
• M15: 19,384,892 km (0.109 R)
• M16: 20,275,747 km (0.087 R)
• M17: 22,435,492 km (0.088 R)
• M18: 26,369,317 km (0.084 R)
• M19: 27,891,326 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.9

Radius: 11.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.89 AU - 4.13 AU

Year: 4539 Days

Day: 14.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,173,270 km

• M1: 139,126 km (0.062 R)
• M2: 487,390 km (0.061 R)
• M3: 1,123,630 km (0.098 R)
• M4: 2,404,935 km (0.089 R)
• M5: 3,099,967 km (0.095 R)
• M6: 3,969,131 km (0.072 R)
• M7: 4,510,077 km (0.084 R)
• M8: 7,317,281 km (0.086 R)
• M9: 9,407,013 km (0.118 R)
• M10: 12,494,713 km (0.103 R)
• M11: 17,338,692 km (0.086 R)
• M12: 18,400,388 km (0.118 R)
• M13: 19,771,154 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.1

Radius: 10.1

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.01 AU - 4.43 AU

Year: 4953 Days

Day: 14.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,173,270 km

• M1: 125,662 km (0.064 R)
• M2: 692,788 km (0.119 R)
• M3: 1,133,802 km (0.111 R)
• M4: 1,707,360 km (0.045 R)
• M5: 2,150,469 km (0.105 R)
• M6: 2,465,523 km (0.065 R)
• M7: 3,371,786 km (0.115 R)
• M8: 3,689,831 km (0.083 R)
• M9: 4,612,402 km (0.118 R)
• M10: 5,478,573 km (0.095 R)
• M11: 6,072,926 km (0.078 R)
• M12: 7,112,481 km (0.118 R)
• M13: 8,651,993 km (0.053 R)
• M14: 9,500,063 km (0.098 R)
• M15: 15,211,111 km (0.113 R)
• M16: 17,428,750 km (0.109 R)
• M17: 18,910,966 km (0.036 R)
• M18: 20,968,535 km (0.025 R)
• M19: 27,262,417 km (0.119 R)
• M20: 28,990,272 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.3

Radius: 8.7

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.07 AU - 5.57 AU

Year: 7304 Days

Day: 13.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,173,270 km

• M1: 108,907 km (0.103 R)
• M2: 518,357 km (0.054 R)
• M3: 1,054,964 km (0.076 R)
• M4: 1,510,789 km (0.115 R)
• M5: 2,420,344 km (0.101 R)
• M6: 2,915,662 km (0.081 R)
• M7: 4,786,982 km (0.054 R)
• M8: 5,910,313 km (0.08 R)
• M9: 9,171,696 km (0.055 R)
• M10: 12,084,067 km (0.096 R)
• M11: 12,818,144 km (0.108 R)
• M12: 13,196,178 km (0.059 R)
• M13: 14,901,294 km (0.1 R)
• M14: 16,367,353 km (0.081 R)
• M15: 16,748,379 km (0.112 R)
• M16: 19,371,279 km (0.102 R)
• M17: 19,726,274 km (0.101 R)
• M18: 20,522,434 km (0.094 R)
• M19: 20,817,292 km (0.119 R)
• M20: 22,960,580 km (0.096 R)
• M21: 23,760,480 km (0.09 R)
• M22: 26,358,397 km (0.114 R)
• M23: 27,770,601 km (0.081 R)
• M24: 29,047,119 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 13,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit