🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.6

Radius: 11.9

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.72 AU - 0.96 AU

Year: 531 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,558,998 km

• M1: 148,251 km (0.056 R)
• M2: 571,464 km (0.088 R)
• M3: 975,229 km (0.062 R)
• M4: 1,607,429 km (0.048 R)
• M5: 1,991,746 km (0.119 R)
• M6: 2,407,778 km (0.032 R)
• M7: 2,882,153 km (0.08 R)
• M8: 3,431,476 km (0.113 R)
• M9: 3,920,661 km (0.068 R)
• M10: 4,581,435 km (0.108 R)
• M11: 5,350,368 km (0.099 R)
• M12: 5,784,650 km (0.093 R)
• M13: 6,164,629 km (0.12 R)
• M14: 6,561,213 km (0.053 R)
• M15: 7,494,105 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.2

Radius: 14.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.77 AU - 1.01 AU

Year: 580 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,558,998 km

• M1: 185,352 km (0.052 R)
• M2: 658,380 km (0.082 R)
• M3: 1,227,899 km (0.051 R)
• M4: 1,782,010 km (0.079 R)
• M5: 2,705,926 km (0.071 R)
• M6: 4,035,103 km (0.116 R)
• M7: 4,802,092 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 8.8

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.17 AU - 1.67 AU

Year: 1168 Days

Day: 12.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,558,998 km

• M1: 109,506 km (0.083 R)
• M2: 390,600 km (0.05 R)
• M3: 908,209 km (0.069 R)
• M4: 1,196,035 km (0.05 R)
• M5: 1,664,875 km (0.1 R)
• M6: 1,995,636 km (0.058 R)
• M7: 2,724,776 km (0.059 R)
• M8: 3,338,127 km (0.073 R)
• M9: 3,920,063 km (0.067 R)
• M10: 4,740,607 km (0.106 R)
• M11: 5,160,678 km (0.069 R)
• M12: 5,938,736 km (0.091 R)
• M13: 7,432,621 km (0.114 R)
• M14: 8,168,044 km (0.107 R)
• M15: 8,597,090 km (0.093 R)
• M16: 9,345,678 km (0.11 R)
• M17: 9,688,407 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.7

Radius: 14.6

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.36 AU - 3.06 AU

Year: 3079 Days

Day: 15 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,558,998 km

• M1: 181,612 km (0.063 R)
• M2: 1,514,080 km (0.094 R)
• M3: 2,111,873 km (0.068 R)
• M4: 2,740,932 km (0.084 R)
• M5: 3,493,709 km (0.078 R)
• M6: 4,625,417 km (0.097 R)
• M7: 5,316,110 km (0.082 R)
• M8: 6,742,376 km (0.043 R)
• M9: 7,409,134 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.1

Radius: 8.7

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.37 AU - 3.19 AU

Year: 3199 Days

Day: 10.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,558,998 km

• M1: 108,159 km (0.111 R)
• M2: 390,450 km (0.09 R)
• M3: 1,085,333 km (0.113 R)
• M4: 1,365,230 km (0.05 R)
• M5: 2,075,670 km (0.102 R)
• M6: 3,314,042 km (0.07 R)
• M7: 4,123,516 km (0.112 R)
• M8: 4,771,723 km (0.079 R)
• M9: 5,695,341 km (0.071 R)
• M10: 7,157,510 km (0.07 R)
• M11: 7,892,784 km (0.086 R)
• M12: 8,193,924 km (0.091 R)
• M13: 8,712,730 km (0.116 R)
• M14: 8,998,462 km (0.116 R)
• M15: 10,441,483 km (0.103 R)
• M16: 12,121,018 km (0.118 R)
• M17: 14,563,802 km (0.075 R)
• M18: 15,532,897 km (0.047 R)
• M19: 15,900,608 km (0.088 R)
• M20: 17,373,399 km (0.095 R)
• M21: 18,816,271 km (0.113 R)
• M22: 20,968,086 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.8

Radius: 8.2

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.17 AU - 3.41 AU

Year: 3217 Days

Day: 12.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,558,998 km

• M1: 113,545 km (0.108 R)
• M2: 520,451 km (0.085 R)
• M3: 1,033,871 km (0.084 R)
• M4: 1,359,545 km (0.038 R)
• M5: 1,645,427 km (0.097 R)
• M6: 2,355,867 km (0.114 R)
• M7: 2,875,421 km (0.095 R)
• M8: 3,650,338 km (0.045 R)
• M9: 4,462,953 km (0.059 R)
• M10: 7,128,638 km (0.095 R)
• M11: 8,500,749 km (0.057 R)
• M12: 9,798,511 km (0.117 R)
• M13: 11,488,668 km (0.078 R)
• M14: 11,894,228 km (0.104 R)
• M15: 12,169,936 km (0.061 R)
• M16: 12,926,004 km (0.041 R)
• M17: 14,169,312 km (0.032 R)
• M18: 14,531,339 km (0.065 R)
• M19: 16,719,656 km (0.091 R)
• M20: 17,475,874 km (0.108 R)
• M21: 18,376,303 km (0.04 R)
• M22: 19,181,589 km (0.116 R)
• M23: 20,010,062 km (0.108 R)
• M24: 21,196,373 km (0.103 R)
• M25: 22,568,634 km (0.095 R)
• M26: 23,853,530 km (0.101 R)
• M27: 24,736,756 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.1

Radius: 10.1

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.44 AU - 3.64 AU

Year: 3659 Days

Day: 10.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,558,998 km

• M1: 125,662 km (0.075 R)
• M2: 458,966 km (0.101 R)
• M3: 1,062,594 km (0.079 R)
• M4: 1,540,409 km (0.072 R)
• M5: 1,989,652 km (0.105 R)
• M6: 2,398,203 km (0.096 R)
• M7: 2,987,619 km (0.061 R)
• M8: 3,567,460 km (0.039 R)
• M9: 4,197,866 km (0.058 R)
• M10: 4,649,801 km (0.05 R)
• M11: 6,055,423 km (0.082 R)
• M12: 6,447,369 km (0.1 R)
• M13: 7,349,145 km (0.115 R)
• M14: 7,830,551 km (0.116 R)
• M15: 8,296,399 km (0.108 R)
• M16: 8,856,643 km (0.053 R)
• M17: 9,969,950 km (0.102 R)
• M18: 12,424,702 km (0.094 R)
• M19: 14,392,362 km (0.088 R)
• M20: 14,928,671 km (0.047 R)
• M21: 17,751,433 km (0.043 R)
• M22: 18,745,361 km (0.116 R)
• M23: 20,506,278 km (0.049 R)
• M24: 22,445,964 km (0.07 R)
• M25: 25,270,072 km (0.103 R)
• M26: 25,736,668 km (0.06 R)
• M27: 26,050,824 km (0.068 R)
• M28: 26,687,063 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.7

Radius: 6.1

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.34 AU - 8.82 AU

Year: 13004 Days

Day: 20.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,558,998 km

• M1: 75,846 km (0.082 R)
• M2: 289,173 km (0.083 R)
• M3: 1,294,919 km (0.091 R)
• M4: 2,200,136 km (0.104 R)
• M5: 2,559,919 km (0.101 R)
• M6: 4,911,896 km (0.078 R)
• M7: 8,281,289 km (0.097 R)
• M8: 10,748,009 km (0.119 R)
• M9: 15,878,916 km (0.117 R)
• M10: 23,045,253 km (0.092 R)
• M11: 23,398,154 km (0.048 R)
• M12: 28,623,309 km (0.09 R)
• M13: 29,236,510 km (0.112 R)
• M14: 33,324,870 km (0.088 R)
• M15: 35,154,602 km (0.101 R)
• M16: 40,402,196 km (0.119 R)
• M17: 42,349,063 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: 448 - 19,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit