🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.1

Radius: 9.2

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.47 AU - 0.75 AU

Year: 329 Days

Day: 12 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 53,506,289 km

• M1: 114,442 km (0.091 R)
• M2: 461,061 km (0.087 R)
• M3: 955,482 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.1

Radius: 10.9

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.23 AU - 1.93 AU

Year: 1371 Days

Day: 6.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,506,289 km

• M1: 135,536 km (0.081 R)
• M2: 476,768 km (0.053 R)
• M3: 1,405,322 km (0.119 R)
• M4: 1,907,672 km (0.117 R)
• M5: 2,405,683 km (0.085 R)
• M6: 3,059,426 km (0.071 R)
• M7: 3,506,275 km (0.105 R)
• M8: 3,861,420 km (0.093 R)
• M9: 4,457,867 km (0.032 R)
• M10: 4,974,578 km (0.112 R)
• M11: 6,082,350 km (0.082 R)
• M12: 6,478,186 km (0.07 R)
• M13: 7,041,123 km (0.105 R)
• M14: 7,663,001 km (0.095 R)
• M15: 8,015,005 km (0.057 R)
• M16: 8,868,760 km (0.084 R)
• M17: 10,035,773 km (0.078 R)
• M18: 11,723,836 km (0.072 R)
• M19: 12,375,484 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 8.4

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.6 AU - 1.8 AU

Year: 1530 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,506,289 km

• M1: 104,419 km (0.072 R)
• M2: 393,143 km (0.027 R)
• M3: 702,960 km (0.106 R)
• M4: 990,936 km (0.058 R)
• M5: 1,914,105 km (0.118 R)
• M6: 2,452,807 km (0.1 R)
• M7: 3,134,823 km (0.052 R)
• M8: 4,645,313 km (0.119 R)
• M9: 5,412,451 km (0.116 R)
• M10: 5,850,174 km (0.091 R)
• M11: 6,336,068 km (0.101 R)
• M12: 6,640,500 km (0.111 R)
• M13: 7,034,690 km (0.084 R)
• M14: 10,142,287 km (0.099 R)
• M15: 11,206,825 km (0.093 R)
• M16: 12,149,441 km (0.081 R)
• M17: 13,102,978 km (0.118 R)
• M18: 14,757,830 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.1

Radius: 12

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.95 AU - 2.77 AU

Year: 2503 Days

Day: 13.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,506,289 km

• M1: 149,747 km (0.038 R)
• M2: 761,603 km (0.102 R)
• M3: 1,307,186 km (0.071 R)
• M4: 1,877,752 km (0.117 R)
• M5: 2,261,920 km (0.094 R)
• M6: 2,639,654 km (0.112 R)
• M7: 3,365,055 km (0.111 R)
• M8: 4,037,347 km (0.066 R)
• M9: 5,094,705 km (0.072 R)
• M10: 5,675,893 km (0.108 R)
• M11: 6,574,826 km (0.063 R)
• M12: 7,535,694 km (0.109 R)
• M13: 8,002,289 km (0.097 R)
• M14: 8,721,855 km (0.11 R)
• M15: 9,699,328 km (0.071 R)
• M16: 10,177,293 km (0.068 R)
• M17: 10,670,966 km (0.058 R)
• M18: 11,300,623 km (0.036 R)
• M19: 11,830,200 km (0.042 R)
• M20: 12,248,924 km (0.061 R)
• M21: 13,204,854 km (0.113 R)
• M22: 14,731,202 km (0.075 R)
• M23: 15,561,918 km (0.115 R)
• M24: 16,014,153 km (0.089 R)
• M25: 17,585,678 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.3

Radius: 15

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.75 AU - 2.91 AU

Year: 3286 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 102.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,506,289 km

• M1: 186,848 km (0.107 R)
• M2: 903,122 km (0.119 R)
• M3: 1,557,015 km (0.108 R)
• M4: 3,036,238 km (0.089 R)
• M5: 4,065,472 km (0.064 R)
• M6: 4,998,663 km (0.099 R)
• M7: 5,746,204 km (0.071 R)
• M8: 6,702,433 km (0.06 R)
• M9: 7,176,359 km (0.06 R)
• M10: 8,006,029 km (0.106 R)
• M11: 11,619,416 km (0.054 R)
• M12: 12,764,588 km (0.075 R)
• M13: 13,539,804 km (0.11 R)
• M14: 15,279,478 km (0.118 R)
• M15: 16,452,475 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.4

Radius: 14.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.86 AU - 5.58 AU

Year: 7078 Days

Day: 8.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,506,289 km

• M1: 187,745 km (0.106 R)
• M2: 742,903 km (0.113 R)
• M3: 2,402,243 km (0.09 R)
• M4: 4,244,840 km (0.042 R)
• M5: 4,785,486 km (0.069 R)
• M6: 5,843,293 km (0.04 R)
• M7: 8,808,323 km (0.118 R)
• M8: 11,257,240 km (0.038 R)
• M9: 17,690,696 km (0.113 R)
• M10: 18,562,852 km (0.069 R)
• M11: 20,393,182 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.6

Radius: 5

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.52 AU - 6.28 AU

Year: 9892 Days

Day: 20.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,506,289 km

• M1: 64,028 km (0.032 R)
• M2: 284,535 km (0.074 R)
• M3: 587,172 km (0.073 R)
• M4: 870,360 km (0.045 R)
• M5: 1,075,908 km (0.114 R)
• M6: 1,400,236 km (0.076 R)
• M7: 1,709,754 km (0.095 R)
• M8: 3,047,159 km (0.099 R)
• M9: 3,300,129 km (0.083 R)
• M10: 4,285,381 km (0.098 R)
• M11: 8,775,860 km (0.12 R)
• M12: 9,248,140 km (0.088 R)
• M13: 10,766,858 km (0.101 R)
• M14: 12,542,435 km (0.11 R)
• M15: 13,602,934 km (0.073 R)
• M16: 14,128,472 km (0.057 R)
• M17: 15,275,738 km (0.117 R)
• M18: 15,444,634 km (0.072 R)
• M19: 15,900,907 km (0.087 R)
• M20: 17,878,591 km (0.11 R)
• M21: 18,066,187 km (0.119 R)
• M22: 18,254,979 km (0.107 R)
• M23: 21,108,708 km (0.114 R)
• M24: 22,386,723 km (0.113 R)
• M25: 24,862,269 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.2

Radius: 4.8

Gravity: 27.48 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.2 AU - 7.42 AU

Year: 12267 Days

Day: 22.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,506,289 km

• M1: 61,784 km (0.114 R)
• M2: 291,117 km (0.068 R)
• M3: 493,673 km (0.09 R)
• M4: 668,553 km (0.106 R)
• M5: 1,043,146 km (0.097 R)
• M6: 1,363,136 km (0.104 R)
• M7: 2,216,442 km (0.107 R)
• M8: 3,852,145 km (0.104 R)
• M9: 4,459,064 km (0.1 R)
• M10: 7,971,771 km (0.082 R)
• M11: 8,244,039 km (0.097 R)
• M12: 12,013,008 km (0.101 R)
• M13: 12,310,708 km (0.114 R)
• M14: 14,401,338 km (0.075 R)
• M15: 18,787,548 km (0.086 R)
• M16: 20,511,364 km (0.115 R)
• M17: 20,765,980 km (0.102 R)
• M18: 22,970,155 km (0.111 R)
• M19: 25,325,424 km (0.028 R)
• M20: 26,511,136 km (0.054 R)
• M21: 27,015,879 km (0.062 R)
• M22: 28,044,664 km (0.092 R)
• M23: 38,376,491 km (0.11 R)
• M24: 39,938,443 km (0.099 R)
• M25: 42,360,133 km (0.115 R)
• M26: 45,883,462 km (0.106 R)
• M27: 46,757,263 km (0.116 R)
• M28: 49,444,939 km (0.034 R)
• M29: 50,981,608 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 14,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit