🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.7

Radius: 13.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.62 AU - 0.82 AU

Year: 407 Days

Day: 9.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,183,019 km

• M1: 166,802 km (0.054 R)
• M2: 779,106 km (0.061 R)
• M3: 1,495,231 km (0.071 R)
• M4: 1,925,175 km (0.115 R)
• M5: 2,889,034 km (0.058 R)
• M6: 4,312,458 km (0.095 R)
• M7: 4,772,172 km (0.094 R)
• M8: 5,295,615 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.8

Radius: 11.7

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.71 AU - 0.87 AU

Year: 468 Days

Day: 11.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 83 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,183,019 km

• M1: 145,559 km (0.117 R)
• M2: 532,269 km (0.08 R)
• M3: 1,025,942 km (0.072 R)
• M4: 1,390,961 km (0.06 R)
• M5: 1,787,545 km (0.107 R)
• M6: 2,169,319 km (0.067 R)
• M7: 3,101,313 km (0.097 R)
• M8: 3,814,746 km (0.096 R)
• M9: 4,362,424 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.4

Radius: 15

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.94 AU - 1.38 AU

Year: 833 Days

Day: 13.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 91,183,019 km

• M1: 186,698 km (0.071 R)
• M2: 790,625 km (0.113 R)
• M3: 1,405,322 km (0.104 R)
• M4: 2,304,406 km (0.084 R)
• M5: 4,170,340 km (0.115 R)
• M6: 4,761,700 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192

Radius: 12.6

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.02 AU - 1.46 AU

Year: 921 Days

Day: 12.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,183,019 km

• M1: 156,779 km (0.084 R)
• M2: 593,006 km (0.08 R)
• M3: 1,034,020 km (0.068 R)
• M4: 1,731,895 km (0.091 R)
• M5: 3,027,711 km (0.107 R)
• M6: 3,622,363 km (0.1 R)
• M7: 4,336,842 km (0.084 R)
• M8: 4,921,172 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.9

Radius: 14.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.45 AU - 2.15 AU

Year: 1610 Days

Day: 14.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,183,019 km

• M1: 182,958 km (0.059 R)
• M2: 647,908 km (0.031 R)
• M3: 1,215,931 km (0.113 R)
• M4: 1,740,422 km (0.07 R)
• M5: 5,000,458 km (0.064 R)
• M6: 6,025,802 km (0.112 R)
• M7: 8,219,805 km (0.086 R)
• M8: 9,829,178 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.9

Radius: 11.1

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.41 AU - 2.41 AU

Year: 2495 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,183,019 km

• M1: 138,079 km (0.114 R)
• M2: 498,011 km (0.106 R)
• M3: 903,870 km (0.101 R)
• M4: 1,277,566 km (0.103 R)
• M5: 1,800,560 km (0.075 R)
• M6: 2,182,932 km (0.105 R)
• M7: 2,562,013 km (0.09 R)
• M8: 3,147,689 km (0.117 R)
• M9: 3,508,369 km (0.12 R)
• M10: 4,985,050 km (0.095 R)
• M11: 5,477,975 km (0.075 R)
• M12: 7,876,178 km (0.06 R)
• M13: 8,546,377 km (0.064 R)
• M14: 11,254,248 km (0.089 R)
• M15: 11,735,205 km (0.087 R)
• M16: 12,313,550 km (0.119 R)
• M17: 13,843,039 km (0.096 R)
• M18: 14,914,609 km (0.067 R)
• M19: 15,300,122 km (0.066 R)
• M20: 16,496,606 km (0.083 R)
• M21: 16,909,047 km (0.115 R)
• M22: 18,024,299 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 15

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.2 AU - 3.06 AU

Year: 2844 Days

Day: 13.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,183,019 km

• M1: 186,698 km (0.079 R)
• M2: 988,842 km (0.117 R)
• M3: 2,421,690 km (0.107 R)
• M4: 2,934,512 km (0.066 R)
• M5: 3,447,483 km (0.047 R)
• M6: 4,524,588 km (0.098 R)
• M7: 6,464,124 km (0.113 R)
• M8: 7,010,904 km (0.094 R)
• M9: 8,198,113 km (0.096 R)
• M10: 8,840,037 km (0.101 R)
• M11: 13,654,546 km (0.094 R)
• M12: 14,607,185 km (0.082 R)
• M13: 15,654,669 km (0.109 R)
• M14: 18,521,114 km (0.102 R)
• M15: 19,867,794 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 12.7

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.49 AU - 4.65 AU

Year: 5475 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 157.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 91,183,019 km

• M1: 157,975 km (0.106 R)
• M2: 702,811 km (0.097 R)
• M3: 1,243,009 km (0.102 R)
• M4: 2,133,864 km (0.117 R)
• M5: 2,638,308 km (0.09 R)
• M6: 3,391,833 km (0.096 R)
• M7: 3,867,255 km (0.094 R)
• M8: 4,284,483 km (0.055 R)
• M9: 5,941,429 km (0.098 R)
• M10: 6,365,240 km (0.089 R)
• M11: 6,914,563 km (0.098 R)
• M12: 7,347,350 km (0.047 R)
• M13: 7,798,088 km (0.117 R)
• M14: 9,348,969 km (0.115 R)
• M15: 10,903,291 km (0.095 R)
• M16: 11,491,061 km (0.049 R)
• M17: 12,307,566 km (0.118 R)
• M18: 13,604,430 km (0.113 R)
• M19: 15,656,165 km (0.115 R)
• M20: 16,090,149 km (0.063 R)
• M21: 16,723,995 km (0.065 R)
• M22: 17,839,696 km (0.088 R)
• M23: 18,518,870 km (0.116 R)
• M24: 18,934,453 km (0.103 R)
• M25: 22,021,405 km (0.046 R)
• M26: 22,961,628 km (0.08 R)
• M27: 24,010,309 km (0.049 R)
• M28: 26,815,269 km (0.051 R)
• M29: 28,251,109 km (0.086 R)
• M30: 30,596,355 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.3

Radius: 8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.46 AU - 9.64 AU

Year: 15231 Days

Day: 17.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,183,019 km

• M1: 99,632 km (0.098 R)
• M2: 420,520 km (0.05 R)
• M3: 728,542 km (0.107 R)
• M4: 1,451,847 km (0.047 R)
• M5: 1,912,459 km (0.062 R)
• M6: 2,836,376 km (0.106 R)
• M7: 3,218,299 km (0.06 R)
• M8: 3,711,224 km (0.118 R)
• M9: 4,573,656 km (0.073 R)
• M10: 5,036,063 km (0.072 R)
• M11: 8,179,563 km (0.066 R)
• M12: 10,286,350 km (0.098 R)
• M13: 12,552,757 km (0.112 R)
• M14: 14,473,444 km (0.066 R)
• M15: 16,228,975 km (0.109 R)
• M16: 21,567,824 km (0.054 R)
• M17: 31,003,560 km (0.075 R)
• M18: 35,181,530 km (0.065 R)
• M19: 38,332,360 km (0.085 R)
• M20: 38,707,551 km (0.119 R)
• M21: 40,880,311 km (0.07 R)
• M22: 41,272,108 km (0.069 R)
• M23: 42,328,867 km (0.034 R)
• M24: 45,327,856 km (0.106 R)
• M25: 46,452,682 km (0.119 R)
• M26: 47,308,382 km (0.039 R)
• M27: 48,029,593 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.7

Radius: 7.9

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 10.64 AU - 11.36 AU

Year: 24329 Days

Day: 15.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,183,019 km

• M1: 100,979 km (0.054 R)
• M2: 387,608 km (0.098 R)
• M3: 665,711 km (0.048 R)
• M4: 1,054,964 km (0.115 R)
• M5: 1,405,173 km (0.09 R)
• M6: 2,206,718 km (0.048 R)
• M7: 2,945,133 km (0.106 R)
• M8: 4,173,332 km (0.092 R)
• M9: 4,825,130 km (0.101 R)
• M10: 5,377,595 km (0.113 R)
• M11: 6,468,163 km (0.069 R)
• M12: 6,798,475 km (0.074 R)
• M13: 7,090,490 km (0.072 R)
• M14: 7,963,543 km (0.057 R)
• M15: 10,108,627 km (0.045 R)
• M16: 10,814,280 km (0.045 R)
• M17: 14,046,043 km (0.1 R)
• M18: 14,600,752 km (0.068 R)
• M19: 16,352,693 km (0.118 R)
• M20: 18,710,206 km (0.08 R)
• M21: 21,806,283 km (0.099 R)
• M22: 24,312,945 km (0.09 R)
• M23: 25,228,035 km (0.082 R)
• M24: 27,005,408 km (0.091 R)
• M25: 28,360,764 km (0.104 R)
• M26: 31,608,833 km (0.101 R)
• M27: 34,379,535 km (0.113 R)
• M28: 55,641,731 km (0.055 R)
• M29: 57,831,395 km (0.06 R)
• M30: 60,284,950 km (0.111 R)
• M31: 64,310,180 km (0.107 R)
• M32: 79,431,682 km (0.072 R)
• M33: 79,681,062 km (0.096 R)
• M34: 81,189,008 km (0.093 R)
• M35: 81,950,013 km (0.074 R)
• M36: 83,486,233 km (0.114 R)
• M37: 88,477,716 km (0.057 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 11,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit