🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923

Radius: 12.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.7 AU - 1.02 AU

Year: 532 Days

Day: 7.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,021,376 km

• M1: 157,227 km (0.077 R)
• M2: 658,231 km (0.085 R)
• M3: 1,152,203 km (0.115 R)
• M4: 1,669,961 km (0.092 R)
• M5: 2,207,317 km (0.044 R)
• M6: 2,649,528 km (0.06 R)
• M7: 3,103,258 km (0.096 R)
• M8: 3,966,588 km (0.114 R)
• M9: 4,501,550 km (0.106 R)
• M10: 5,000,608 km (0.058 R)
• M11: 5,429,655 km (0.065 R)
• M12: 6,382,444 km (0.079 R)
• M13: 6,805,806 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.9

Radius: 10.3

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.94 AU - 1.42 AU

Year: 855 Days

Day: 6.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,021,376 km

• M1: 128,355 km (0.103 R)
• M2: 572,361 km (0.108 R)
• M3: 947,254 km (0.12 R)
• M4: 1,389,914 km (0.086 R)
• M5: 2,046,798 km (0.082 R)
• M6: 2,391,322 km (0.098 R)
• M7: 3,053,293 km (0.112 R)
• M8: 3,578,979 km (0.1 R)
• M9: 5,216,927 km (0.12 R)
• M10: 5,545,294 km (0.093 R)
• M11: 5,867,079 km (0.076 R)
• M12: 7,000,283 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.7

Radius: 9.7

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.12 AU - 1.7 AU

Year: 1116 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,021,376 km

• M1: 120,725 km (0.094 R)
• M2: 444,006 km (0.105 R)
• M3: 1,055,114 km (0.084 R)
• M4: 1,400,685 km (0.054 R)
• M5: 1,702,723 km (0.055 R)
• M6: 2,250,550 km (0.109 R)
• M7: 2,620,805 km (0.108 R)
• M8: 3,031,750 km (0.102 R)
• M9: 3,697,910 km (0.115 R)
• M10: 4,082,526 km (0.084 R)
• M11: 4,582,931 km (0.076 R)
• M12: 4,913,841 km (0.102 R)
• M13: 5,460,472 km (0.067 R)
• M14: 6,628,831 km (0.103 R)
• M15: 7,149,881 km (0.057 R)
• M16: 7,852,243 km (0.087 R)
• M17: 8,167,146 km (0.11 R)
• M18: 10,613,221 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.1

Radius: 12.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.41 AU - 3.95 AU

Year: 4708 Days

Day: 13.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,021,376 km

• M1: 155,582 km (0.099 R)
• M2: 548,575 km (0.12 R)
• M3: 1,136,196 km (0.034 R)
• M4: 1,598,154 km (0.088 R)
• M5: 2,694,407 km (0.117 R)
• M6: 3,280,981 km (0.065 R)
• M7: 4,172,285 km (0.062 R)
• M8: 4,860,136 km (0.119 R)
• M9: 6,252,593 km (0.095 R)
• M10: 6,771,548 km (0.106 R)
• M11: 7,352,137 km (0.1 R)
• M12: 8,249,275 km (0.109 R)
• M13: 8,836,746 km (0.053 R)
• M14: 9,452,042 km (0.074 R)
• M15: 10,428,468 km (0.1 R)
• M16: 12,203,745 km (0.109 R)
• M17: 15,949,676 km (0.097 R)
• M18: 16,459,207 km (0.056 R)
• M19: 17,391,650 km (0.114 R)
• M20: 17,931,549 km (0.103 R)
• M21: 20,800,387 km (0.06 R)
• M22: 23,962,437 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.9

Radius: 14.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.41 AU - 4.89 AU

Year: 5638 Days

Day: 12.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,021,376 km

• M1: 201,060 km (0.106 R)
• M2: 779,255 km (0.117 R)
• M3: 1,399,338 km (0.061 R)
• M4: 5,134,498 km (0.082 R)
• M5: 5,850,174 km (0.075 R)
• M6: 6,664,436 km (0.086 R)
• M7: 11,918,313 km (0.077 R)
• M8: 14,355,112 km (0.066 R)
• M9: 16,313,797 km (0.046 R)
• M10: 21,543,889 km (0.08 R)
• M11: 22,649,716 km (0.078 R)
• M12: 29,733,474 km (0.06 R)
• M13: 30,459,323 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.8

Radius: 6

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.46 AU - 11.9 AU

Year: 21660 Days

Day: 15 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,021,376 km

• M1: 74,649 km (0.103 R)
• M2: 1,027,737 km (0.116 R)
• M3: 1,253,331 km (0.056 R)
• M4: 1,570,628 km (0.081 R)
• M5: 1,940,584 km (0.109 R)
• M6: 2,830,990 km (0.057 R)
• M7: 3,559,382 km (0.082 R)
• M8: 4,779,802 km (0.11 R)
• M9: 11,001,427 km (0.04 R)
• M10: 17,097,092 km (0.117 R)
• M11: 18,491,344 km (0.069 R)
• M12: 20,296,093 km (0.118 R)
• M13: 20,980,653 km (0.116 R)
• M14: 22,758,922 km (0.114 R)
• M15: 25,217,713 km (0.119 R)
• M16: 25,710,040 km (0.095 R)
• M17: 26,309,329 km (0.093 R)
• M18: 30,767,495 km (0.093 R)
• M19: 32,128,088 km (0.111 R)
• M20: 37,587,811 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.8

Radius: 4.6

Gravity: 14.69 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.5 AU - 12.64 AU

Year: 22916 Days

Day: 16.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,021,376 km

• M1: 89,908 km (0.04 R)
• M2: 286,330 km (0.044 R)
• M3: 701,764 km (0.072 R)
• M4: 898,036 km (0.053 R)
• M5: 1,666,071 km (0.068 R)
• M6: 1,981,274 km (0.065 R)
• M7: 2,273,289 km (0.12 R)
• M8: 2,440,540 km (0.104 R)
• M9: 2,967,573 km (0.055 R)
• M10: 3,679,060 km (0.063 R)
• M11: 4,530,572 km (0.073 R)
• M12: 5,358,745 km (0.09 R)
• M13: 5,770,139 km (0.103 R)
• M14: 10,129,272 km (0.088 R)
• M15: 13,060,941 km (0.077 R)
• M16: 14,012,085 km (0.102 R)
• M17: 15,375,520 km (0.112 R)
• M18: 31,236,185 km (0.085 R)
• M19: 35,067,536 km (0.098 R)
• M20: 37,296,096 km (0.092 R)
• M21: 39,200,776 km (0.112 R)
• M22: 39,896,406 km (0.069 R)
• M23: 45,914,279 km (0.117 R)
• M24: 46,068,066 km (0.081 R)
• M25: 57,003,072 km (0.066 R)
• M26: 62,876,883 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 19,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit