🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.6

Radius: 11.9

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.69 AU - 0.73 AU

Year: 386 Days

Day: 14.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,038,569 km

• M1: 147,952 km (0.117 R)
• M2: 522,246 km (0.073 R)
• M3: 897,587 km (0.065 R)
• M4: 1,504,207 km (0.088 R)
• M5: 1,977,983 km (0.12 R)
• M6: 2,484,073 km (0.087 R)
• M7: 2,924,788 km (0.036 R)
• M8: 3,610,545 km (0.111 R)
• M9: 4,138,625 km (0.025 R)
• M10: 5,646,272 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.5

Radius: 13.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.8 AU - 1 AU

Year: 551 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,038,569 km

• M1: 170,392 km (0.105 R)
• M2: 804,986 km (0.102 R)
• M3: 1,283,101 km (0.097 R)
• M4: 1,823,299 km (0.093 R)
• M5: 2,878,413 km (0.068 R)
• M6: 3,452,569 km (0.098 R)
• M7: 5,282,002 km (0.039 R)
• M8: 6,716,346 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.4

Radius: 14.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.34 AU - 2.22 AU

Year: 1533 Days

Day: 12.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,038,569 km

• M1: 179,069 km (0.046 R)
• M2: 999,613 km (0.036 R)
• M3: 1,516,174 km (0.116 R)
• M4: 2,410,321 km (0.112 R)
• M5: 2,911,923 km (0.072 R)
• M6: 3,418,311 km (0.038 R)
• M7: 3,929,786 km (0.097 R)
• M8: 4,571,561 km (0.105 R)
• M9: 5,260,609 km (0.098 R)
• M10: 5,711,348 km (0.085 R)
• M11: 6,361,201 km (0.068 R)
• M12: 7,059,823 km (0.076 R)
• M13: 7,638,318 km (0.094 R)
• M14: 8,368,206 km (0.088 R)
• M15: 10,035,624 km (0.099 R)
• M16: 11,239,886 km (0.108 R)
• M17: 12,380,570 km (0.06 R)
• M18: 12,938,720 km (0.089 R)
• M19: 13,430,448 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.7

Radius: 10.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.61 AU - 2.09 AU

Year: 1625 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,038,569 km

• M1: 128,056 km (0.111 R)
• M2: 455,077 km (0.064 R)
• M3: 903,122 km (0.091 R)
• M4: 1,289,534 km (0.052 R)
• M5: 2,335,821 km (0.054 R)
• M6: 2,867,342 km (0.104 R)
• M7: 3,606,655 km (0.085 R)
• M8: 4,083,573 km (0.076 R)
• M9: 6,621,052 km (0.03 R)
• M10: 7,471,366 km (0.112 R)
• M11: 7,965,039 km (0.118 R)
• M12: 9,866,428 km (0.055 R)
• M13: 10,427,420 km (0.08 R)
• M14: 12,848,363 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.8

Radius: 11.3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.42 AU - 3.48 AU

Year: 3272 Days

Day: 10.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,038,569 km

• M1: 140,622 km (0.069 R)
• M2: 526,136 km (0.099 R)
• M3: 892,052 km (0.069 R)
• M4: 1,321,398 km (0.115 R)
• M5: 2,117,259 km (0.092 R)
• M6: 2,480,034 km (0.098 R)
• M7: 3,425,193 km (0.071 R)
• M8: 3,789,015 km (0.086 R)
• M9: 4,663,863 km (0.115 R)
• M10: 5,016,017 km (0.082 R)
• M11: 6,208,312 km (0.082 R)
• M12: 6,871,329 km (0.118 R)
• M13: 8,475,467 km (0.109 R)
• M14: 9,966,659 km (0.114 R)
• M15: 10,917,054 km (0.054 R)
• M16: 11,372,281 km (0.072 R)
• M17: 12,724,047 km (0.07 R)
• M18: 13,556,409 km (0.087 R)
• M19: 14,277,621 km (0.079 R)
• M20: 14,772,491 km (0.062 R)
• M21: 15,587,949 km (0.076 R)
• M22: 16,921,913 km (0.049 R)
• M23: 17,364,573 km (0.1 R)
• M24: 18,388,570 km (0.111 R)
• M25: 21,124,566 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.8

Radius: 14.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.7 AU - 4.46 AU

Year: 5321 Days

Day: 10.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 128.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,038,569 km

• M1: 186,997 km (0.082 R)
• M2: 656,435 km (0.101 R)
• M3: 1,105,229 km (0.087 R)
• M4: 1,891,515 km (0.113 R)
• M5: 3,065,111 km (0.058 R)
• M6: 4,680,020 km (0.104 R)
• M7: 6,337,415 km (0.11 R)
• M8: 7,459,099 km (0.066 R)
• M9: 8,118,527 km (0.037 R)
• M10: 9,143,721 km (0.085 R)
• M11: 11,238,390 km (0.103 R)
• M12: 13,065,878 km (0.115 R)
• M13: 14,473,145 km (0.095 R)
• M14: 15,239,685 km (0.109 R)
• M15: 16,086,857 km (0.105 R)
• M16: 17,702,514 km (0.094 R)
• M17: 21,450,390 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.5

Radius: 6.3

Gravity: 21.28 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.67 AU - 6.67 AU

Year: 9896 Days

Day: 16.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,038,569 km

• M1: 127,757 km (0.085 R)
• M2: 1,016,069 km (0.101 R)
• M3: 1,257,968 km (0.089 R)
• M4: 2,207,616 km (0.104 R)
• M5: 2,638,757 km (0.114 R)
• M6: 4,272,964 km (0.102 R)
• M7: 4,691,240 km (0.097 R)
• M8: 6,259,175 km (0.103 R)
• M9: 7,452,517 km (0.084 R)
• M10: 7,881,863 km (0.118 R)
• M11: 8,192,279 km (0.106 R)
• M12: 8,696,423 km (0.077 R)
• M13: 11,085,801 km (0.068 R)
• M14: 11,874,331 km (0.098 R)
• M15: 14,202,822 km (0.039 R)
• M16: 16,031,357 km (0.043 R)
• M17: 16,386,352 km (0.062 R)
• M18: 24,261,633 km (0.07 R)
• M19: 26,662,230 km (0.104 R)
• M20: 33,175,123 km (0.118 R)
• M21: 33,635,735 km (0.08 R)
• M22: 37,725,890 km (0.115 R)
• M23: 38,989,095 km (0.085 R)
• M24: 43,084,187 km (0.102 R)
• M25: 46,732,430 km (0.094 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: 319 - 18,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit