🌌 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: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465

Radius: 14.7

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.61 AU - 0.93 AU

Year: 451 Days

Day: 5.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,846,122 km

• M1: 182,809 km (0.099 R)
• M2: 671,246 km (0.12 R)
• M3: 1,167,312 km (0.104 R)
• M4: 1,677,291 km (0.1 R)
• M5: 2,338,664 km (0.098 R)
• M6: 2,860,012 km (0.12 R)
• M7: 3,425,193 km (0.105 R)
• M8: 4,420,617 km (0.064 R)
• M9: 4,898,881 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.9

Radius: 11.3

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.18 AU - 1.56 AU

Year: 1069 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,846,122 km

• M1: 140,472 km (0.095 R)
• M2: 501,302 km (0.11 R)
• M3: 855,849 km (0.115 R)
• M4: 1,543,401 km (0.103 R)
• M5: 1,924,277 km (0.119 R)
• M6: 2,316,822 km (0.06 R)
• M7: 3,215,008 km (0.107 R)
• M8: 4,739,560 km (0.088 R)
• M9: 5,226,950 km (0.091 R)
• M10: 5,961,475 km (0.065 R)
• M11: 6,343,548 km (0.079 R)
• M12: 8,381,969 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.3

Radius: 14.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.38 AU - 2.1 AU

Year: 1531 Days

Day: 13.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,846,122 km

• M1: 177,872 km (0.057 R)
• M2: 704,157 km (0.027 R)
• M3: 1,439,730 km (0.055 R)
• M4: 2,071,183 km (0.074 R)
• M5: 2,686,927 km (0.071 R)
• M6: 3,726,483 km (0.095 R)
• M7: 4,767,983 km (0.095 R)
• M8: 5,734,535 km (0.102 R)
• M9: 7,622,012 km (0.102 R)
• M10: 8,355,191 km (0.109 R)
• M11: 9,692,596 km (0.085 R)
• M12: 10,732,301 km (0.103 R)
• M13: 11,845,010 km (0.104 R)
• M14: 13,446,605 km (0.102 R)
• M15: 15,324,955 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 11.1

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.69 AU - 2.73 AU

Year: 2191 Days

Day: 13.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,846,122 km

• M1: 139,874 km (0.11 R)
• M2: 499,208 km (0.043 R)
• M3: 902,374 km (0.099 R)
• M4: 1,300,454 km (0.055 R)
• M5: 2,199,986 km (0.074 R)
• M6: 2,717,595 km (0.044 R)
• M7: 3,101,762 km (0.102 R)
• M8: 5,668,712 km (0.09 R)
• M9: 6,722,629 km (0.077 R)
• M10: 9,792,826 km (0.096 R)
• M11: 13,408,906 km (0.056 R)
• M12: 13,983,511 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.8

Radius: 14.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.95 AU - 2.59 AU

Year: 2281 Days

Day: 8.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,846,122 km

• M1: 185,352 km (0.107 R)
• M2: 699,968 km (0.093 R)
• M3: 1,285,644 km (0.114 R)
• M4: 1,805,048 km (0.098 R)
• M5: 2,466,270 km (0.119 R)
• M6: 3,442,995 km (0.063 R)
• M7: 4,137,728 km (0.073 R)
• M8: 4,986,247 km (0.092 R)
• M9: 5,878,897 km (0.11 R)
• M10: 6,523,215 km (0.064 R)
• M11: 7,082,861 km (0.097 R)
• M12: 7,674,670 km (0.11 R)
• M13: 8,154,281 km (0.109 R)
• M14: 11,577,379 km (0.078 R)
• M15: 13,504,499 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.4

Radius: 12.2

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.81 AU - 5.39 AU

Year: 6579 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,846,122 km

• M1: 158,275 km (0.089 R)
• M2: 589,715 km (0.069 R)
• M3: 1,340,397 km (0.091 R)
• M4: 1,770,790 km (0.111 R)
• M5: 5,147,513 km (0.096 R)
• M6: 6,595,172 km (0.043 R)
• M7: 7,413,472 km (0.104 R)
• M8: 10,199,732 km (0.115 R)
• M9: 10,757,882 km (0.11 R)
• M10: 11,378,414 km (0.117 R)
• M11: 15,615,475 km (0.116 R)
• M12: 16,143,256 km (0.116 R)
• M13: 20,740,249 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84

Radius: 8.1

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.49 AU - 5.21 AU

Year: 7123 Days

Day: 8.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,846,122 km

• M1: 111,600 km (0.103 R)
• M2: 460,313 km (0.106 R)
• M3: 876,494 km (0.086 R)
• M4: 1,346,530 km (0.094 R)
• M5: 1,988,006 km (0.117 R)
• M6: 2,548,250 km (0.07 R)
• M7: 2,834,431 km (0.114 R)
• M8: 3,092,188 km (0.092 R)
• M9: 3,400,808 km (0.086 R)
• M10: 5,532,129 km (0.059 R)
• M11: 5,808,287 km (0.09 R)
• M12: 6,552,985 km (0.061 R)
• M13: 7,818,583 km (0.097 R)
• M14: 8,826,873 km (0.097 R)
• M15: 11,099,414 km (0.114 R)
• M16: 14,196,988 km (0.057 R)

Asteroid Belt

Center: 7.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.9

Radius: 4.9

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.43 AU - 10.71 AU

Year: 19742 Days

Day: 19 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,846,122 km

• M1: 61,036 km (0.045 R)
• M2: 334,950 km (0.099 R)
• M3: 489,335 km (0.119 R)
• M4: 667,954 km (0.108 R)
• M5: 1,223,860 km (0.119 R)
• M6: 1,684,322 km (0.105 R)
• M7: 1,849,927 km (0.087 R)
• M8: 2,008,202 km (0.067 R)
• M9: 2,312,185 km (0.059 R)
• M10: 2,940,795 km (0.064 R)
• M11: 3,871,294 km (0.096 R)
• M12: 4,559,743 km (0.085 R)
• M13: 5,685,467 km (0.114 R)
• M14: 6,817,773 km (0.039 R)
• M15: 7,502,932 km (0.098 R)
• M16: 8,139,171 km (0.088 R)
• M17: 8,566,872 km (0.11 R)
• M18: 9,210,741 km (0.077 R)
• M19: 10,046,694 km (0.111 R)
• M20: 13,371,506 km (0.096 R)
• M21: 13,899,437 km (0.098 R)
• M22: 15,422,942 km (0.119 R)
• M23: 17,208,243 km (0.098 R)
• M24: 17,991,089 km (0.034 R)
• M25: 21,809,425 km (0.103 R)
• M26: 22,540,360 km (0.113 R)
• M27: 27,907,034 km (0.066 R)
• M28: 31,227,508 km (0.103 R)
• M29: 40,797,733 km (0.092 R)
• M30: 42,892,402 km (0.062 R)
• M31: 43,893,960 km (0.08 R)
• M32: 47,903,333 km (0.082 R)
• M33: 49,448,230 km (0.095 R)
• M34: 52,474,296 km (0.107 R)
• M35: 56,470,354 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 14,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit