🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240

Radius: 10.2

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.71 AU - 1.07 AU

Year: 580 Days

Day: 9.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,774,044 km

• M1: 126,859 km (0.079 R)
• M2: 610,210 km (0.099 R)
• M3: 1,045,390 km (0.085 R)
• M4: 1,488,050 km (0.101 R)
• M5: 1,870,422 km (0.077 R)
• M6: 2,797,779 km (0.086 R)
• M7: 3,146,193 km (0.071 R)
• M8: 3,943,699 km (0.088 R)
• M9: 4,356,888 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.1

Radius: 8.4

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.88 AU - 1.06 AU

Year: 659 Days

Day: 9.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,774,044 km

• M1: 104,569 km (0.114 R)
• M2: 453,282 km (0.057 R)
• M3: 765,941 km (0.09 R)
• M4: 1,055,413 km (0.063 R)
• M5: 1,413,251 km (0.03 R)
• M6: 1,851,274 km (0.116 R)
• M7: 2,320,562 km (0.066 R)
• M8: 3,116,872 km (0.105 R)
• M9: 3,594,538 km (0.116 R)
• M10: 3,920,063 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.4

Radius: 12.9

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.14 AU - 1.34 AU

Year: 953 Days

Day: 12.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,774,044 km

• M1: 178,919 km (0.119 R)
• M2: 721,810 km (0.117 R)
• M3: 1,159,832 km (0.112 R)
• M4: 1,630,168 km (0.085 R)
• M5: 2,219,135 km (0.071 R)
• M6: 2,842,659 km (0.104 R)
• M7: 3,513,605 km (0.111 R)
• M8: 4,411,791 km (0.074 R)
• M9: 4,815,256 km (0.075 R)
• M10: 6,196,493 km (0.104 R)
• M11: 6,851,433 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414

Radius: 8.9

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.17 AU - 1.85 AU

Year: 1281 Days

Day: 9.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,774,044 km

• M1: 110,702 km (0.117 R)
• M2: 447,597 km (0.113 R)
• M3: 1,020,557 km (0.054 R)
• M4: 1,338,751 km (0.063 R)
• M5: 1,750,594 km (0.08 R)
• M6: 2,118,904 km (0.072 R)
• M7: 2,491,702 km (0.101 R)
• M8: 2,947,078 km (0.114 R)
• M9: 3,271,406 km (0.025 R)
• M10: 3,649,739 km (0.116 R)
• M11: 3,928,590 km (0.114 R)
• M12: 5,229,044 km (0.09 R)
• M13: 5,604,834 km (0.086 R)
• M14: 6,544,757 km (0.059 R)
• M15: 7,099,915 km (0.068 R)
• M16: 8,016,950 km (0.062 R)
• M17: 8,652,741 km (0.055 R)
• M18: 9,179,475 km (0.077 R)
• M19: 9,465,356 km (0.091 R)
• M20: 10,175,498 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 9.3

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.39 AU - 1.83 AU

Year: 1410 Days

Day: 12.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,774,044 km

• M1: 115,789 km (0.067 R)
• M2: 439,369 km (0.118 R)
• M3: 991,983 km (0.079 R)
• M4: 2,440,091 km (0.097 R)
• M5: 2,817,676 km (0.085 R)
• M6: 3,794,999 km (0.108 R)
• M7: 4,900,078 km (0.106 R)
• M8: 6,109,727 km (0.087 R)
• M9: 6,503,767 km (0.043 R)
• M10: 6,993,700 km (0.086 R)
• M11: 11,212,360 km (0.096 R)
• M12: 12,809,916 km (0.116 R)
• M13: 13,333,658 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 13.7

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.1 AU - 2.18 AU

Year: 2161 Days

Day: 7 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,774,044 km

• M1: 170,392 km (0.098 R)
• M2: 605,722 km (0.089 R)
• M3: 1,067,381 km (0.055 R)
• M4: 1,924,876 km (0.089 R)
• M5: 2,525,511 km (0.043 R)
• M6: 3,249,565 km (0.118 R)
• M7: 4,038,843 km (0.086 R)
• M8: 5,469,747 km (0.119 R)
• M9: 6,686,726 km (0.113 R)
• M10: 9,125,919 km (0.069 R)
• M11: 10,562,657 km (0.091 R)
• M12: 11,672,673 km (0.067 R)
• M13: 12,182,203 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.4

Radius: 11.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.73 AU - 3.03 AU

Year: 3374 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,774,044 km

• M1: 144,362 km (0.078 R)
• M2: 1,148,313 km (0.112 R)
• M3: 1,738,776 km (0.085 R)
• M4: 2,698,446 km (0.055 R)
• M5: 3,715,562 km (0.086 R)
• M6: 5,226,351 km (0.093 R)
• M7: 7,199,697 km (0.05 R)
• M8: 7,924,798 km (0.089 R)
• M9: 8,337,538 km (0.117 R)
• M10: 9,171,845 km (0.034 R)
• M11: 12,093,492 km (0.054 R)
• M12: 12,471,226 km (0.113 R)
• M13: 16,592,498 km (0.078 R)
• M14: 18,183,172 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.6

Radius: 9.3

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.46 AU - 3.64 AU

Year: 3677 Days

Day: 6.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,774,044 km

• M1: 115,789 km (0.084 R)
• M2: 623,823 km (0.086 R)
• M3: 1,204,861 km (0.1 R)
• M4: 1,654,702 km (0.072 R)
• M5: 2,059,963 km (0.12 R)
• M6: 2,947,078 km (0.075 R)
• M7: 3,350,992 km (0.107 R)
• M8: 4,361,825 km (0.098 R)
• M9: 4,912,944 km (0.1 R)
• M10: 5,509,839 km (0.077 R)
• M11: 6,096,263 km (0.105 R)
• M12: 6,816,726 km (0.113 R)
• M13: 8,319,437 km (0.08 R)
• M14: 8,644,663 km (0.099 R)
• M15: 10,031,584 km (0.096 R)
• M16: 12,381,617 km (0.076 R)
• M17: 13,338,146 km (0.086 R)
• M18: 13,884,926 km (0.067 R)
• M19: 14,602,248 km (0.092 R)
• M20: 15,129,581 km (0.067 R)
• M21: 17,839,696 km (0.106 R)
• M22: 18,872,519 km (0.107 R)
• M23: 20,923,955 km (0.087 R)
• M24: 24,493,959 km (0.079 R)
• M25: 24,864,512 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.3

Radius: 12.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.77 AU - 6.21 AU

Year: 7694 Days

Day: 10.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,774,044 km

• M1: 157,975 km (0.072 R)
• M2: 615,595 km (0.07 R)
• M3: 1,104,182 km (0.113 R)
• M4: 2,032,586 km (0.094 R)
• M5: 3,384,053 km (0.104 R)
• M6: 4,113,493 km (0.069 R)
• M7: 4,556,452 km (0.086 R)
• M8: 4,973,680 km (0.094 R)
• M9: 6,213,697 km (0.06 R)
• M10: 7,962,347 km (0.079 R)
• M11: 8,907,805 km (0.117 R)
• M12: 10,345,890 km (0.082 R)
• M13: 10,972,405 km (0.085 R)
• M14: 13,965,410 km (0.047 R)
• M15: 15,837,627 km (0.063 R)
• M16: 17,397,933 km (0.096 R)
• M17: 18,916,202 km (0.118 R)
• M18: 28,597,877 km (0.075 R)
• M19: 29,832,807 km (0.087 R)
• M20: 34,915,545 km (0.066 R)
• M21: 36,106,643 km (0.107 R)
• M22: 37,661,264 km (0.034 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: 210 - 10,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit