🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.5

Radius: 11

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.58 AU - 0.9 AU

Year: 424 Days

Day: 10.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,771,260 km

• M1: 137,780 km (0.057 R)
• M2: 537,804 km (0.111 R)
• M3: 1,014,124 km (0.071 R)
• M4: 1,526,796 km (0.11 R)
• M5: 1,873,414 km (0.079 R)
• M6: 2,265,211 km (0.05 R)
• M7: 3,051,797 km (0.102 R)
• M8: 3,656,172 km (0.105 R)
• M9: 4,060,984 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.4

Radius: 9.4

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.52 AU - 2.08 AU

Year: 1610 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,771,260 km

• M1: 122,969 km (0.092 R)
• M2: 431,440 km (0.098 R)
• M3: 810,222 km (0.045 R)
• M4: 1,135,597 km (0.106 R)
• M5: 1,640,191 km (0.046 R)
• M6: 2,008,800 km (0.068 R)
• M7: 4,340,433 km (0.047 R)
• M8: 4,639,329 km (0.08 R)
• M9: 7,446,832 km (0.085 R)
• M10: 10,511,644 km (0.079 R)
• M11: 11,053,338 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 12.1

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.58 AU - 2.1 AU

Year: 1664 Days

Day: 7.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,771,260 km

• M1: 150,495 km (0.067 R)
• M2: 1,442,572 km (0.098 R)
• M3: 2,832,785 km (0.114 R)
• M4: 3,638,370 km (0.078 R)
• M5: 4,363,919 km (0.091 R)
• M6: 5,399,286 km (0.099 R)
• M7: 5,869,323 km (0.104 R)
• M8: 7,849,101 km (0.044 R)
• M9: 8,240,000 km (0.116 R)
• M10: 9,491,686 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.81 AU - 2.13 AU

Year: 1844 Days

Day: 6.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,771,260 km

• M1: 111,899 km (0.076 R)
• M2: 536,757 km (0.092 R)
• M3: 989,590 km (0.073 R)
• M4: 1,406,818 km (0.091 R)
• M5: 1,828,684 km (0.097 R)
• M6: 2,140,746 km (0.099 R)
• M7: 2,715,052 km (0.107 R)
• M8: 3,269,162 km (0.06 R)
• M9: 3,797,841 km (0.108 R)
• M10: 4,152,089 km (0.103 R)
• M11: 4,491,676 km (0.118 R)
• M12: 5,412,002 km (0.076 R)
• M13: 5,817,861 km (0.083 R)
• M14: 6,243,916 km (0.107 R)
• M15: 7,033,493 km (0.077 R)
• M16: 8,270,817 km (0.051 R)
• M17: 9,282,398 km (0.099 R)
• M18: 9,833,666 km (0.07 R)
• M19: 11,479,991 km (0.113 R)
• M20: 12,007,922 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634

Radius: 11.6

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.64 AU - 2.44 AU

Year: 1943 Days

Day: 5.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,771,260 km

• M1: 144,811 km (0.094 R)
• M2: 584,778 km (0.1 R)
• M3: 1,123,181 km (0.113 R)
• M4: 2,468,814 km (0.066 R)
• M5: 3,004,524 km (0.085 R)
• M6: 3,791,109 km (0.059 R)
• M7: 4,349,408 km (0.06 R)
• M8: 4,813,910 km (0.098 R)
• M9: 5,724,811 km (0.102 R)
• M10: 12,234,413 km (0.112 R)
• M11: 13,795,168 km (0.049 R)
• M12: 15,027,555 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.2

Radius: 12.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.92 AU - 3.08 AU

Year: 2636 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,771,260 km

• M1: 159,172 km (0.062 R)
• M2: 562,787 km (0.112 R)
• M3: 1,086,679 km (0.078 R)
• M4: 2,221,828 km (0.1 R)
• M5: 2,803,763 km (0.083 R)
• M6: 3,224,133 km (0.082 R)
• M7: 3,668,289 km (0.064 R)
• M8: 4,072,952 km (0.067 R)
• M9: 5,846,883 km (0.052 R)
• M10: 6,622,847 km (0.073 R)
• M11: 7,256,394 km (0.099 R)
• M12: 7,773,405 km (0.11 R)
• M13: 8,314,799 km (0.084 R)
• M14: 9,226,598 km (0.11 R)
• M15: 10,129,272 km (0.103 R)
• M16: 11,249,161 km (0.042 R)
• M17: 11,942,996 km (0.111 R)
• M18: 13,103,427 km (0.081 R)
• M19: 13,506,593 km (0.102 R)
• M20: 15,056,128 km (0.119 R)
• M21: 16,051,253 km (0.119 R)
• M22: 17,036,804 km (0.088 R)
• M23: 17,517,462 km (0.067 R)
• M24: 18,618,203 km (0.104 R)
• M25: 19,242,924 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 8.6

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.42 AU - 5.36 AU

Year: 6134 Days

Day: 7.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,771,260 km

• M1: 107,112 km (0.101 R)
• M2: 446,400 km (0.056 R)
• M3: 1,200,224 km (0.072 R)
• M4: 2,059,065 km (0.114 R)
• M5: 2,638,158 km (0.057 R)
• M6: 3,054,938 km (0.082 R)
• M7: 3,364,007 km (0.102 R)
• M8: 4,192,032 km (0.118 R)
• M9: 4,734,324 km (0.101 R)
• M10: 5,410,506 km (0.115 R)
• M11: 5,710,600 km (0.11 R)
• M12: 6,213,996 km (0.1 R)
• M13: 6,543,411 km (0.085 R)
• M14: 7,130,283 km (0.099 R)
• M15: 8,018,147 km (0.099 R)
• M16: 13,101,931 km (0.103 R)
• M17: 17,546,334 km (0.064 R)
• M18: 19,295,732 km (0.089 R)
• M19: 24,091,839 km (0.052 R)
• M20: 25,739,660 km (0.108 R)
• M21: 26,419,433 km (0.106 R)
• M22: 27,637,608 km (0.11 R)
• M23: 31,904,289 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.6

Radius: 11.2

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.89 AU - 5.69 AU

Year: 6991 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,771,260 km

• M1: 139,276 km (0.106 R)
• M2: 515,065 km (0.098 R)
• M3: 1,051,972 km (0.119 R)
• M4: 1,760,468 km (0.069 R)
• M5: 2,133,266 km (0.049 R)
• M6: 3,748,025 km (0.057 R)
• M7: 5,994,387 km (0.065 R)
• M8: 6,638,106 km (0.111 R)
• M9: 7,290,054 km (0.066 R)
• M10: 10,285,302 km (0.079 R)
• M11: 11,871,489 km (0.083 R)
• M12: 13,844,385 km (0.095 R)
• M13: 18,290,284 km (0.057 R)
• M14: 20,382,710 km (0.051 R)
• M15: 21,994,178 km (0.113 R)
• M16: 23,606,544 km (0.098 R)
• M17: 24,441,599 km (0.098 R)
• M18: 26,082,239 km (0.066 R)
• M19: 28,915,024 km (0.052 R)
• M20: 31,444,126 km (0.081 R)
• M21: 33,906,357 km (0.096 R)
• M22: 37,723,646 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.5

Radius: 8

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.04 AU - 9.66 AU

Year: 14667 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,771,260 km

• M1: 100,679 km (0.083 R)
• M2: 491,878 km (0.079 R)
• M3: 901,178 km (0.052 R)
• M4: 1,449,155 km (0.107 R)
• M5: 1,776,176 km (0.116 R)
• M6: 2,037,224 km (0.045 R)
• M7: 2,979,990 km (0.102 R)
• M8: 3,704,642 km (0.111 R)
• M9: 4,513,667 km (0.114 R)
• M10: 10,203,323 km (0.073 R)
• M11: 12,321,479 km (0.066 R)
• M12: 14,166,320 km (0.118 R)
• M13: 15,730,366 km (0.058 R)
• M14: 18,539,066 km (0.112 R)
• M15: 19,420,496 km (0.078 R)
• M16: 19,720,440 km (0.105 R)
• M17: 20,406,646 km (0.12 R)
• M18: 21,585,477 km (0.12 R)
• M19: 25,304,629 km (0.108 R)
• M20: 26,114,702 km (0.117 R)
• M21: 27,409,172 km (0.091 R)
• M22: 38,628,115 km (0.088 R)
• M23: 41,163,649 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.3

Radius: 3.2

Gravity: 53.15 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.11 AU - 9.99 AU

Year: 15231 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,771,260 km

• M1: 48,470 km (0.106 R)
• M2: 365,468 km (0.09 R)
• M3: 545,733 km (0.114 R)
• M4: 882,478 km (0.1 R)
• M5: 1,083,986 km (0.093 R)
• M6: 2,493,647 km (0.115 R)
• M7: 2,919,253 km (0.033 R)
• M8: 3,855,287 km (0.074 R)
• M9: 5,356,053 km (0.098 R)
• M10: 8,882,972 km (0.094 R)
• M11: 12,536,451 km (0.084 R)
• M12: 13,305,235 km (0.096 R)
• M13: 17,156,183 km (0.073 R)
• M14: 18,102,539 km (0.116 R)
• M15: 18,917,249 km (0.064 R)
• M16: 21,060,388 km (0.116 R)
• M17: 23,075,621 km (0.12 R)
• M18: 29,885,316 km (0.054 R)
• M19: 32,068,398 km (0.082 R)
• M20: 33,621,673 km (0.113 R)
• M21: 39,250,592 km (0.115 R)
• M22: 39,791,388 km (0.064 R)
• M23: 44,884,298 km (0.119 R)
• M24: 49,446,584 km (0.096 R)
• M25: 49,919,164 km (0.055 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 18,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit