🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.4

Radius: 14.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.65 AU - 0.97 AU

Year: 478 Days

Day: 12.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,321,871 km

• M1: 184,005 km (0.102 R)
• M2: 670,198 km (0.033 R)
• M3: 1,302,249 km (0.086 R)
• M4: 1,828,236 km (0.106 R)
• M5: 2,497,686 km (0.097 R)
• M6: 3,184,789 km (0.06 R)
• M7: 4,229,431 km (0.062 R)
• M8: 4,724,301 km (0.069 R)
• M9: 5,196,581 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.2

Radius: 10.9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.68 AU - 1.06 AU

Year: 532 Days

Day: 14.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,321,871 km

• M1: 137,032 km (0.093 R)
• M2: 593,156 km (0.071 R)
• M3: 1,155,644 km (0.086 R)
• M4: 1,982,022 km (0.111 R)
• M5: 2,807,204 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100

Radius: 14.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.47 AU - 1.51 AU

Year: 1193 Days

Day: 13.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,321,871 km

• M1: 182,958 km (0.065 R)
• M2: 644,767 km (0.076 R)
• M3: 1,191,846 km (0.097 R)
• M4: 1,752,988 km (0.026 R)
• M5: 2,519,827 km (0.058 R)
• M6: 4,117,382 km (0.058 R)
• M7: 6,010,693 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.1

Radius: 10.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.99 AU - 2.43 AU

Year: 2155 Days

Day: 13.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,321,871 km

• M1: 127,009 km (0.114 R)
• M2: 468,541 km (0.095 R)
• M3: 807,978 km (0.083 R)
• M4: 1,784,852 km (0.081 R)
• M5: 2,406,880 km (0.087 R)
• M6: 2,974,454 km (0.069 R)
• M7: 3,563,122 km (0.066 R)
• M8: 3,938,164 km (0.111 R)
• M9: 5,464,810 km (0.106 R)
• M10: 6,928,625 km (0.079 R)
• M11: 8,252,417 km (0.085 R)
• M12: 9,968,305 km (0.098 R)
• M13: 10,857,365 km (0.081 R)
• M14: 11,576,482 km (0.084 R)
• M15: 14,050,232 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.7

Radius: 15

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.71 AU - 4.39 AU

Year: 5347 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,321,871 km

• M1: 188,493 km (0.073 R)
• M2: 661,372 km (0.048 R)
• M3: 1,285,195 km (0.092 R)
• M4: 1,898,846 km (0.026 R)
• M5: 3,366,251 km (0.108 R)
• M6: 4,002,790 km (0.087 R)
• M7: 5,406,467 km (0.091 R)
• M8: 5,965,365 km (0.086 R)
• M9: 6,849,638 km (0.053 R)
• M10: 9,627,670 km (0.103 R)
• M11: 10,701,484 km (0.116 R)
• M12: 11,360,761 km (0.025 R)
• M13: 12,008,221 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.8

Radius: 3.7

Gravity: 20.22 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.89 AU - 7.09 AU

Year: 9617 Days

Day: 20.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,321,871 km

• M1: 46,076 km (0.111 R)
• M2: 334,501 km (0.108 R)
• M3: 895,642 km (0.066 R)
• M4: 1,342,342 km (0.09 R)
• M5: 2,618,860 km (0.106 R)
• M6: 2,884,247 km (0.075 R)
• M7: 3,003,327 km (0.102 R)
• M8: 3,931,282 km (0.027 R)
• M9: 4,127,555 km (0.076 R)
• M10: 4,278,948 km (0.069 R)
• M11: 4,894,244 km (0.068 R)
• M12: 7,493,956 km (0.046 R)
• M13: 7,643,853 km (0.105 R)
• M14: 7,834,141 km (0.061 R)
• M15: 8,750,279 km (0.09 R)
• M16: 9,384,873 km (0.081 R)
• M17: 10,232,046 km (0.099 R)
• M18: 10,463,174 km (0.11 R)
• M19: 12,076,887 km (0.047 R)
• M20: 13,625,673 km (0.094 R)
• M21: 13,793,223 km (0.095 R)
• M22: 15,972,415 km (0.042 R)
• M23: 16,409,091 km (0.091 R)
• M24: 16,598,482 km (0.032 R)
• M25: 23,304,356 km (0.095 R)
• M26: 28,593,987 km (0.08 R)
• M27: 31,031,685 km (0.119 R)
• M28: 31,321,605 km (0.113 R)
• M29: 31,613,321 km (0.071 R)
• M30: 32,399,907 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.7

Radius: 6.9

Gravity: 18.92 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.17 AU - 9.53 AU

Year: 15828 Days

Day: 24.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 71,321,871 km

• M1: 86,617 km (0.12 R)
• M2: 930,050 km (0.101 R)
• M3: 1,266,944 km (0.113 R)
• M4: 1,487,900 km (0.093 R)
• M5: 1,787,545 km (0.105 R)
• M6: 2,106,936 km (0.089 R)
• M7: 2,333,577 km (0.068 R)
• M8: 3,166,239 km (0.05 R)
• M9: 5,554,270 km (0.086 R)
• M10: 5,789,138 km (0.117 R)
• M11: 6,620,603 km (0.107 R)
• M12: 6,974,552 km (0.1 R)
• M13: 8,062,876 km (0.054 R)
• M14: 8,621,475 km (0.111 R)
• M15: 10,691,161 km (0.072 R)
• M16: 11,302,867 km (0.082 R)
• M17: 12,132,687 km (0.078 R)
• M18: 13,417,583 km (0.115 R)
• M19: 14,940,489 km (0.106 R)
• M20: 15,860,665 km (0.116 R)
• M21: 16,655,928 km (0.099 R)
• M22: 17,228,140 km (0.106 R)
• M23: 18,153,851 km (0.06 R)
• M24: 20,659,167 km (0.108 R)
• M25: 26,563,944 km (0.103 R)
• M26: 27,008,250 km (0.111 R)
• M27: 27,570,738 km (0.06 R)
• M28: 34,677,235 km (0.099 R)
• M29: 36,695,610 km (0.1 R)
• M30: 45,238,097 km (0.09 R)
• M31: 47,156,839 km (0.082 R)
• M32: 48,796,881 km (0.113 R)
• M33: 51,156,189 km (0.111 R)
• M34: 53,414,069 km (0.116 R)
• M35: 56,832,381 km (0.071 R)
• M36: 57,570,048 km (0.06 R)
• M37: 60,393,558 km (0.101 R)
• M38: 60,969,211 km (0.072 R)
• M39: 63,308,024 km (0.116 R)
• M40: 67,338,041 km (0.046 R)
• M41: 68,579,553 km (0.083 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 11,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit