🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578

Radius: 8.1

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.81 AU - 1.09 AU

Year: 607 Days

Day: 6.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,273,654 km

• M1: 100,829 km (0.077 R)
• M2: 355,445 km (0.062 R)
• M3: 633,996 km (0.076 R)
• M4: 947,553 km (0.112 R)
• M5: 1,524,701 km (0.12 R)
• M6: 1,995,187 km (0.108 R)
• M7: 2,477,042 km (0.07 R)
• M8: 4,189,488 km (0.115 R)
• M9: 4,503,793 km (0.105 R)
• M10: 4,817,799 km (0.114 R)
• M11: 5,146,466 km (0.098 R)
• M12: 5,507,446 km (0.106 R)
• M13: 5,867,079 km (0.09 R)
• M14: 6,261,419 km (0.06 R)
• M15: 6,653,216 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.1

Radius: 10.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.66 AU - 1.88 AU

Year: 1545 Days

Day: 12 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,273,654 km

• M1: 138,228 km (0.083 R)
• M2: 569,369 km (0.11 R)
• M3: 931,696 km (0.1 R)
• M4: 1,499,868 km (0.091 R)
• M5: 2,018,075 km (0.111 R)
• M6: 3,069,599 km (0.062 R)
• M7: 3,761,489 km (0.062 R)
• M8: 4,622,425 km (0.094 R)
• M9: 6,174,353 km (0.114 R)
• M10: 6,978,142 km (0.065 R)
• M11: 7,417,362 km (0.081 R)
• M12: 8,767,183 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.1

Radius: 12.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.97 AU - 2.05 AU

Year: 1869 Days

Day: 12.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,273,654 km

• M1: 159,471 km (0.096 R)
• M2: 593,305 km (0.093 R)
• M3: 1,027,588 km (0.111 R)
• M4: 1,482,664 km (0.082 R)
• M5: 1,904,231 km (0.079 R)
• M6: 2,922,843 km (0.095 R)
• M7: 3,614,883 km (0.119 R)
• M8: 5,016,914 km (0.11 R)
• M9: 5,769,391 km (0.087 R)
• M10: 8,056,743 km (0.074 R)
• M11: 9,689,454 km (0.032 R)
• M12: 13,642,578 km (0.088 R)
• M13: 14,743,618 km (0.07 R)
• M14: 15,998,445 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.1

Radius: 11.3

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.96 AU - 2.54 AU

Year: 2214 Days

Day: 13.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,273,654 km

• M1: 145,260 km (0.114 R)
• M2: 506,239 km (0.06 R)
• M3: 898,634 km (0.102 R)
• M4: 1,289,384 km (0.06 R)
• M5: 1,762,562 km (0.1 R)
• M6: 2,797,031 km (0.069 R)
• M7: 3,231,912 km (0.092 R)
• M8: 3,601,120 km (0.087 R)
• M9: 4,574,254 km (0.076 R)
• M10: 4,927,604 km (0.053 R)
• M11: 6,231,350 km (0.085 R)
• M12: 8,850,659 km (0.03 R)
• M13: 9,227,346 km (0.078 R)
• M14: 9,758,269 km (0.057 R)
• M15: 10,765,362 km (0.083 R)
• M16: 11,554,940 km (0.062 R)
• M17: 12,467,786 km (0.111 R)
• M18: 13,294,164 km (0.088 R)
• M19: 13,743,556 km (0.108 R)
• M20: 14,342,845 km (0.087 R)
• M21: 17,231,880 km (0.094 R)
• M22: 17,604,977 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.4

Radius: 9.1

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.48 AU - 3.62 AU

Year: 3494 Days

Day: 15 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,273,654 km

• M1: 126,111 km (0.107 R)
• M2: 429,196 km (0.109 R)
• M3: 736,919 km (0.065 R)
• M4: 1,039,556 km (0.115 R)
• M5: 1,458,729 km (0.077 R)
• M6: 2,015,532 km (0.114 R)
• M7: 4,188,292 km (0.094 R)
• M8: 4,558,546 km (0.074 R)
• M9: 6,842,607 km (0.083 R)
• M10: 11,357,171 km (0.065 R)
• M11: 11,850,545 km (0.109 R)
• M12: 13,516,018 km (0.119 R)
• M13: 14,639,348 km (0.108 R)
• M14: 17,071,211 km (0.103 R)
• M15: 17,481,409 km (0.082 R)
• M16: 22,160,681 km (0.119 R)
• M17: 24,674,673 km (0.045 R)
• M18: 24,973,569 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.4

Radius: 13.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.37 AU - 3.85 AU

Year: 3598 Days

Day: 6.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,273,654 km

• M1: 166,951 km (0.109 R)
• M2: 1,940,584 km (0.054 R)
• M3: 2,981,486 km (0.053 R)
• M4: 4,829,468 km (0.115 R)
• M5: 5,378,941 km (0.057 R)
• M6: 6,202,477 km (0.049 R)
• M7: 6,727,566 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.5

Radius: 5.9

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.12 AU - 7.42 AU

Year: 10299 Days

Day: 22.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,273,654 km

• M1: 73,303 km (0.072 R)
• M2: 352,901 km (0.09 R)
• M3: 600,037 km (0.114 R)
• M4: 1,096,552 km (0.118 R)
• M5: 1,499,419 km (0.119 R)
• M6: 1,866,533 km (0.033 R)
• M7: 3,551,005 km (0.115 R)
• M8: 4,286,428 km (0.088 R)
• M9: 4,485,243 km (0.111 R)
• M10: 4,870,757 km (0.12 R)
• M11: 6,232,696 km (0.11 R)
• M12: 6,904,091 km (0.107 R)
• M13: 7,581,321 km (0.117 R)
• M14: 7,914,924 km (0.083 R)
• M15: 9,635,150 km (0.05 R)
• M16: 16,264,580 km (0.064 R)
• M17: 17,459,119 km (0.11 R)
• M18: 18,710,954 km (0.095 R)
• M19: 18,938,043 km (0.039 R)
• M20: 19,552,292 km (0.116 R)
• M21: 28,789,213 km (0.032 R)
• M22: 34,226,946 km (0.056 R)
• M23: 36,416,161 km (0.086 R)
• M24: 37,365,210 km (0.107 R)
• M25: 44,475,148 km (0.045 R)
• M26: 45,286,567 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.6

Radius: 3.5

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.7 AU - 7.74 AU

Year: 14071 Days

Day: 22.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 151.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,273,654 km

• M1: 45,627 km (0.106 R)
• M2: 204,650 km (0.119 R)
• M3: 1,050,925 km (0.106 R)
• M4: 1,222,963 km (0.107 R)
• M5: 1,473,389 km (0.045 R)
• M6: 1,985,014 km (0.064 R)
• M7: 2,363,796 km (0.09 R)
• M8: 2,807,802 km (0.057 R)
• M9: 3,099,518 km (0.088 R)
• M10: 3,475,907 km (0.093 R)
• M11: 3,743,238 km (0.108 R)
• M12: 4,369,455 km (0.076 R)
• M13: 4,654,289 km (0.05 R)
• M14: 5,090,516 km (0.12 R)
• M15: 5,764,455 km (0.08 R)
• M16: 7,005,219 km (0.095 R)
• M17: 7,216,152 km (0.095 R)
• M18: 11,874,032 km (0.103 R)
• M19: 15,046,105 km (0.049 R)
• M20: 15,515,543 km (0.059 R)
• M21: 16,116,029 km (0.094 R)
• M22: 16,607,308 km (0.083 R)
• M23: 23,460,985 km (0.086 R)
• M24: 24,733,764 km (0.085 R)
• M25: 31,032,881 km (0.095 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 19,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit