🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.2

Radius: 11.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.54 AU - 0.78 AU

Year: 358 Days

Day: 11.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,478,795 km

• M1: 145,559 km (0.069 R)
• M2: 553,363 km (0.038 R)
• M3: 950,395 km (0.034 R)
• M4: 1,349,223 km (0.088 R)
• M5: 1,768,995 km (0.111 R)
• M6: 2,527,905 km (0.047 R)
• M7: 2,945,283 km (0.073 R)
• M8: 3,419,209 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 8.8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.5 AU - 1.56 AU

Year: 1262 Days

Day: 9.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,478,795 km

• M1: 109,506 km (0.114 R)
• M2: 555,906 km (0.102 R)
• M3: 1,808,189 km (0.05 R)
• M4: 2,516,386 km (0.077 R)
• M5: 3,098,322 km (0.048 R)
• M6: 4,404,461 km (0.111 R)
• M7: 5,096,500 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.9

Radius: 14.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.54 AU - 1.82 AU

Year: 1452 Days

Day: 9.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,478,795 km

• M1: 180,415 km (0.106 R)
• M2: 811,718 km (0.09 R)
• M3: 1,447,509 km (0.113 R)
• M4: 2,602,105 km (0.073 R)
• M5: 3,515,101 km (0.116 R)
• M6: 3,993,216 km (0.113 R)
• M7: 4,613,000 km (0.119 R)
• M8: 5,427,710 km (0.1 R)
• M9: 6,945,231 km (0.097 R)
• M10: 7,454,462 km (0.061 R)
• M11: 8,428,194 km (0.1 R)
• M12: 9,845,634 km (0.092 R)
• M13: 13,311,518 km (0.039 R)
• M14: 14,057,712 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.3

Radius: 11.3

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.76 AU - 3.06 AU

Year: 3310 Days

Day: 6.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,478,795 km

• M1: 140,472 km (0.079 R)
• M2: 598,242 km (0.051 R)
• M3: 1,419,235 km (0.112 R)
• M4: 2,121,896 km (0.109 R)
• M5: 2,766,065 km (0.11 R)
• M6: 3,972,571 km (0.052 R)
• M7: 4,730,883 km (0.06 R)
• M8: 5,340,943 km (0.12 R)
• M9: 7,065,507 km (0.106 R)
• M10: 8,072,600 km (0.12 R)
• M11: 9,404,321 km (0.118 R)
• M12: 11,312,741 km (0.094 R)
• M13: 15,441,642 km (0.117 R)
• M14: 16,047,812 km (0.075 R)
• M15: 16,726,987 km (0.085 R)
• M16: 17,662,422 km (0.117 R)
• M17: 20,153,077 km (0.092 R)
• M18: 21,346,868 km (0.112 R)
• M19: 22,099,345 km (0.113 R)
• M20: 22,727,956 km (0.112 R)
• M21: 23,802,218 km (0.097 R)
• M22: 25,060,336 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.8

Radius: 8.4

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.62 AU - 4.3 AU

Year: 4292 Days

Day: 5.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,478,795 km

• M1: 104,419 km (0.098 R)
• M2: 381,923 km (0.079 R)
• M3: 842,834 km (0.075 R)
• M4: 1,161,777 km (0.071 R)
• M5: 3,672,777 km (0.104 R)
• M6: 4,641,274 km (0.117 R)
• M7: 5,682,475 km (0.106 R)
• M8: 6,164,629 km (0.058 R)
• M9: 7,107,993 km (0.087 R)
• M10: 9,360,189 km (0.088 R)
• M11: 10,337,362 km (0.036 R)
• M12: 11,952,870 km (0.101 R)
• M13: 14,989,407 km (0.118 R)
• M14: 16,806,573 km (0.117 R)
• M15: 18,181,976 km (0.102 R)
• M16: 23,587,994 km (0.109 R)
• M17: 24,911,037 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.3

Radius: 6.1

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.37 AU - 7.13 AU

Year: 10420 Days

Day: 22.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,478,795 km

• M1: 77,193 km (0.09 R)
• M2: 286,330 km (0.103 R)
• M3: 601,383 km (0.1 R)
• M4: 867,967 km (0.104 R)
• M5: 1,156,242 km (0.044 R)
• M6: 1,700,928 km (0.093 R)
• M7: 1,911,262 km (0.12 R)
• M8: 2,366,788 km (0.112 R)
• M9: 3,962,100 km (0.104 R)
• M10: 5,149,159 km (0.112 R)
• M11: 8,244,339 km (0.104 R)
• M12: 9,487,647 km (0.119 R)
• M13: 12,507,579 km (0.086 R)
• M14: 13,960,772 km (0.092 R)
• M15: 16,514,259 km (0.109 R)
• M16: 16,717,562 km (0.085 R)
• M17: 17,547,082 km (0.053 R)
• M18: 20,123,457 km (0.1 R)
• M19: 22,110,864 km (0.046 R)
• M20: 25,466,794 km (0.032 R)
• M21: 29,147,200 km (0.11 R)
• M22: 29,643,267 km (0.118 R)
• M23: 33,816,599 km (0.086 R)
• M24: 34,254,322 km (0.108 R)
• M25: 35,253,037 km (0.109 R)
• M26: 36,614,528 km (0.12 R)
• M27: 40,662,048 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.9

Radius: 6.5

Gravity: 17.61 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.91 AU - 12.45 AU

Year: 21660 Days

Day: 21.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,478,795 km

• M1: 84,074 km (0.099 R)
• M2: 326,871 km (0.09 R)
• M3: 934,538 km (0.072 R)
• M4: 1,889,571 km (0.105 R)
• M5: 2,261,321 km (0.114 R)
• M6: 2,631,875 km (0.108 R)
• M7: 3,069,000 km (0.108 R)
• M8: 3,553,398 km (0.083 R)
• M9: 4,460,859 km (0.114 R)
• M10: 5,354,257 km (0.056 R)
• M11: 7,147,786 km (0.115 R)
• M12: 8,153,533 km (0.065 R)
• M13: 9,136,540 km (0.083 R)
• M14: 9,539,407 km (0.115 R)
• M15: 10,257,477 km (0.098 R)
• M16: 13,127,812 km (0.083 R)
• M17: 13,864,731 km (0.096 R)
• M18: 14,551,235 km (0.068 R)
• M19: 16,832,154 km (0.114 R)
• M20: 17,350,211 km (0.103 R)
• M21: 17,789,880 km (0.081 R)
• M22: 19,623,650 km (0.106 R)
• M23: 26,103,931 km (0.087 R)
• M24: 27,742,028 km (0.071 R)
• M25: 30,199,472 km (0.075 R)
• M26: 43,224,958 km (0.085 R)
• M27: 46,685,905 km (0.083 R)
• M28: 47,536,369 km (0.076 R)
• M29: 55,850,719 km (0.073 R)
• M30: 61,969,123 km (0.07 R)
• M31: 63,202,707 km (0.087 R)
• M32: 65,931,522 km (0.068 R)
• M33: 81,004,554 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 17,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit