🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 13.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.57 AU - 0.87 AU

Year: 429 Days

Day: 11.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,871,501 km

• M1: 167,849 km (0.077 R)
• M2: 623,075 km (0.107 R)
• M3: 1,301,501 km (0.107 R)
• M4: 1,914,554 km (0.053 R)
• M5: 2,412,116 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.7

Radius: 10.5

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.83 AU - 0.87 AU

Year: 551 Days

Day: 6.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,871,501 km

• M1: 130,599 km (0.106 R)
• M2: 461,360 km (0.1 R)
• M3: 796,459 km (0.067 R)
• M4: 1,141,133 km (0.049 R)
• M5: 1,718,880 km (0.101 R)
• M6: 2,562,163 km (0.119 R)
• M7: 3,004,524 km (0.066 R)
• M8: 4,571,711 km (0.107 R)
• M9: 5,258,664 km (0.11 R)
• M10: 5,906,124 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68

Radius: 11.2

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.9 AU - 1.18 AU

Year: 746 Days

Day: 14 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,871,501 km

• M1: 139,276 km (0.084 R)
• M2: 707,000 km (0.111 R)
• M3: 1,451,099 km (0.109 R)
• M4: 2,199,687 km (0.061 R)
• M5: 3,309,105 km (0.107 R)
• M6: 3,719,302 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.7

Radius: 10.5

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.54 AU - 3.58 AU

Year: 3763 Days

Day: 5.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,871,501 km

• M1: 130,599 km (0.102 R)
• M2: 514,168 km (0.032 R)
• M3: 1,160,730 km (0.073 R)
• M4: 2,117,408 km (0.109 R)
• M5: 2,512,646 km (0.108 R)
• M6: 2,903,246 km (0.07 R)
• M7: 3,314,790 km (0.117 R)
• M8: 3,743,836 km (0.096 R)
• M9: 4,232,872 km (0.102 R)
• M10: 4,714,128 km (0.054 R)
• M11: 5,504,304 km (0.033 R)
• M12: 6,019,370 km (0.076 R)
• M13: 7,620,516 km (0.089 R)
• M14: 8,297,745 km (0.115 R)
• M15: 8,975,872 km (0.116 R)
• M16: 10,314,773 km (0.093 R)
• M17: 12,542,136 km (0.036 R)
• M18: 14,423,778 km (0.109 R)
• M19: 16,312,451 km (0.111 R)
• M20: 18,612,219 km (0.1 R)
• M21: 21,675,535 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.5

Radius: 11.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.41 AU - 4.87 AU

Year: 7026 Days

Day: 13.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,871,501 km

• M1: 144,362 km (0.082 R)
• M2: 922,869 km (0.103 R)
• M3: 1,643,333 km (0.071 R)
• M4: 2,623,348 km (0.096 R)
• M5: 3,193,466 km (0.114 R)
• M6: 3,668,589 km (0.028 R)
• M7: 4,736,269 km (0.095 R)
• M8: 6,564,654 km (0.11 R)
• M9: 7,763,381 km (0.114 R)
• M10: 8,666,354 km (0.091 R)
• M11: 10,106,683 km (0.095 R)
• M12: 11,748,818 km (0.057 R)
• M13: 12,633,540 km (0.108 R)
• M14: 13,247,639 km (0.088 R)
• M15: 14,097,355 km (0.111 R)
• M16: 14,646,679 km (0.058 R)
• M17: 16,141,760 km (0.088 R)
• M18: 17,673,193 km (0.091 R)
• M19: 18,247,499 km (0.085 R)
• M20: 21,812,866 km (0.108 R)
• M21: 22,399,888 km (0.114 R)
• M22: 24,223,934 km (0.11 R)
• M23: 27,822,212 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.5

Radius: 3.8

Gravity: 51.14 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.22 AU - 9.38 AU

Year: 15313 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,871,501 km

• M1: 47,273 km (0.028 R)
• M2: 187,297 km (0.101 R)
• M3: 660,175 km (0.093 R)
• M4: 820,544 km (0.095 R)
• M5: 1,862,344 km (0.114 R)
• M6: 2,246,062 km (0.1 R)
• M7: 2,522,370 km (0.096 R)
• M8: 4,317,843 km (0.117 R)
• M9: 4,916,085 km (0.119 R)
• M10: 5,271,231 km (0.092 R)
• M11: 5,835,963 km (0.071 R)
• M12: 7,491,113 km (0.057 R)
• M13: 7,913,279 km (0.051 R)
• M14: 8,550,715 km (0.073 R)
• M15: 8,753,570 km (0.106 R)
• M16: 10,843,901 km (0.088 R)
• M17: 11,262,176 km (0.084 R)
• M18: 11,753,306 km (0.115 R)
• M19: 14,930,466 km (0.084 R)
• M20: 16,284,925 km (0.105 R)
• M21: 17,637,439 km (0.072 R)
• M22: 18,806,098 km (0.12 R)
• M23: 19,409,277 km (0.109 R)
• M24: 23,598,466 km (0.072 R)
• M25: 25,534,561 km (0.116 R)
• M26: 28,916,670 km (0.039 R)
• M27: 29,951,738 km (0.101 R)
• M28: 31,973,703 km (0.056 R)
• M29: 33,080,278 km (0.093 R)
• M30: 33,705,896 km (0.045 R)
• M31: 35,499,425 km (0.086 R)
• M32: 37,625,959 km (0.04 R)
• M33: 39,415,149 km (0.084 R)
• M34: 40,972,762 km (0.087 R)
• M35: 44,816,381 km (0.042 R)
• M36: 48,250,699 km (0.084 R)
• M37: 51,856,307 km (0.107 R)
• M38: 60,337,758 km (0.108 R)
• M39: 64,128,568 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.4

Radius: 6.2

Gravity: 17.1 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.39 AU - 9.95 AU

Year: 21137 Days

Day: 15.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,871,501 km

• M1: 85,121 km (0.07 R)
• M2: 329,265 km (0.109 R)
• M3: 999,164 km (0.092 R)
• M4: 1,292,675 km (0.094 R)
• M5: 1,557,912 km (0.101 R)
• M6: 3,188,978 km (0.077 R)
• M7: 3,384,053 km (0.108 R)
• M8: 4,482,102 km (0.069 R)
• M9: 4,835,302 km (0.085 R)
• M10: 8,467,239 km (0.109 R)
• M11: 9,743,160 km (0.105 R)
• M12: 10,155,751 km (0.119 R)
• M13: 10,457,490 km (0.097 R)
• M14: 12,463,597 km (0.119 R)
• M15: 14,182,925 km (0.071 R)
• M16: 14,484,066 km (0.047 R)
• M17: 24,002,530 km (0.06 R)
• M18: 28,038,381 km (0.072 R)
• M19: 30,465,008 km (0.11 R)
• M20: 36,852,837 km (0.113 R)
• M21: 53,635,923 km (0.102 R)
• M22: 55,476,276 km (0.104 R)
• M23: 65,520,277 km (0.097 R)
• M24: 66,355,632 km (0.077 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: 216 - 10,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit