🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.34 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502

Radius: 13.3

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.59 AU - 2.77 AU

Year: 2976 Days

Day: 7.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,567,715 km

• M1: 165,455 km (0.077 R)
• M2: 584,628 km (0.102 R)
• M3: 1,510,639 km (0.115 R)
• M4: 2,097,811 km (0.083 R)
• M5: 4,147,601 km (0.077 R)
• M6: 7,594,336 km (0.087 R)
• M7: 8,254,063 km (0.12 R)
• M8: 9,545,092 km (0.108 R)
• M9: 11,605,653 km (0.115 R)
• M10: 15,724,831 km (0.091 R)
• M11: 18,249,145 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.9

Radius: 14.9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.17 AU - 3.35 AU

Year: 3992 Days

Day: 14.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,567,715 km

• M1: 185,352 km (0.083 R)
• M2: 655,388 km (0.089 R)
• M3: 1,348,924 km (0.101 R)
• M4: 2,058,766 km (0.101 R)
• M5: 3,201,394 km (0.109 R)
• M6: 3,844,366 km (0.089 R)
• M7: 5,417,537 km (0.094 R)
• M8: 6,250,797 km (0.108 R)
• M9: 11,585,757 km (0.07 R)
• M10: 16,120,367 km (0.119 R)
• M11: 19,504,271 km (0.04 R)
• M12: 20,059,130 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.4

Radius: 12.9

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.46 AU - 3.54 AU

Year: 4441 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,567,715 km

• M1: 160,369 km (0.072 R)
• M2: 739,462 km (0.119 R)
• M3: 1,372,411 km (0.088 R)
• M4: 1,840,802 km (0.094 R)
• M5: 2,481,829 km (0.066 R)
• M6: 2,939,149 km (0.066 R)
• M7: 3,452,719 km (0.049 R)
• M8: 5,086,627 km (0.113 R)
• M9: 5,507,745 km (0.078 R)
• M10: 6,485,217 km (0.096 R)
• M11: 7,222,136 km (0.059 R)
• M12: 8,469,932 km (0.063 R)
• M13: 9,350,914 km (0.042 R)
• M14: 10,072,873 km (0.066 R)
• M15: 12,767,430 km (0.113 R)
• M16: 14,867,635 km (0.084 R)
• M17: 15,733,657 km (0.111 R)
• M18: 17,376,989 km (0.043 R)
• M19: 21,652,347 km (0.105 R)
• M20: 22,991,996 km (0.094 R)
• M21: 23,527,706 km (0.095 R)
• M22: 24,624,109 km (0.105 R)
• M23: 26,918,790 km (0.099 R)
• M24: 27,858,115 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613

Radius: 5.6

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.51 AU - 7.29 AU

Year: 9720 Days

Day: 19.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 71.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,567,715 km

• M1: 71,657 km (0.115 R)
• M2: 337,942 km (0.099 R)
• M3: 606,021 km (0.113 R)
• M4: 1,010,833 km (0.1 R)
• M5: 1,497,624 km (0.116 R)
• M6: 2,026,602 km (0.113 R)
• M7: 2,437,099 km (0.036 R)
• M8: 2,754,097 km (0.087 R)
• M9: 3,327,655 km (0.063 R)
• M10: 6,543,710 km (0.065 R)
• M11: 6,922,193 km (0.093 R)
• M12: 7,315,186 km (0.097 R)
• M13: 8,450,634 km (0.106 R)
• M14: 8,628,207 km (0.091 R)
• M15: 9,037,207 km (0.052 R)
• M16: 11,118,263 km (0.102 R)
• M17: 11,439,600 km (0.088 R)
• M18: 13,318,399 km (0.075 R)
• M19: 13,619,839 km (0.057 R)
• M20: 14,425,274 km (0.079 R)
• M21: 18,857,859 km (0.086 R)
• M22: 26,039,604 km (0.106 R)
• M23: 40,990,864 km (0.043 R)
• M24: 42,144,114 km (0.055 R)
• M25: 45,053,792 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.7

Radius: 3.7

Gravity: 29.2 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.62 AU - 6.76 AU

Year: 11736 Days

Day: 17.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,567,715 km

• M1: 74,350 km (0.081 R)
• M2: 435,180 km (0.07 R)
• M3: 653,743 km (0.111 R)
• M4: 1,033,871 km (0.075 R)
• M5: 1,359,545 km (0.051 R)
• M6: 1,874,162 km (0.087 R)
• M7: 2,508,307 km (0.103 R)
• M8: 3,003,476 km (0.109 R)
• M9: 3,344,410 km (0.065 R)
• M10: 3,463,640 km (0.047 R)
• M11: 3,710,626 km (0.068 R)
• M12: 4,102,871 km (0.091 R)
• M13: 4,697,822 km (0.1 R)
• M14: 7,948,434 km (0.06 R)
• M15: 9,376,645 km (0.106 R)
• M16: 14,798,670 km (0.075 R)
• M17: 18,159,686 km (0.043 R)
• M18: 21,010,871 km (0.079 R)
• M19: 21,499,608 km (0.097 R)
• M20: 28,264,423 km (0.091 R)
• M21: 31,009,843 km (0.112 R)
• M22: 35,855,767 km (0.081 R)
• M23: 39,434,298 km (0.081 R)
• M24: 39,680,985 km (0.115 R)
• M25: 43,769,195 km (0.067 R)

Asteroid Belt

Center: 7.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.7

Radius: 6.7

Gravity: 15.03 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.36 AU - 9.8 AU

Year: 17046 Days

Day: 15.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,567,715 km

• M1: 83,775 km (0.116 R)
• M2: 299,196 km (0.081 R)
• M3: 635,342 km (0.045 R)
• M4: 857,495 km (0.082 R)
• M5: 1,451,099 km (0.108 R)
• M6: 1,955,543 km (0.113 R)
• M7: 2,228,111 km (0.105 R)
• M8: 2,826,203 km (0.099 R)
• M9: 5,992,592 km (0.082 R)
• M10: 6,829,592 km (0.091 R)
• M11: 8,837,195 km (0.092 R)
• M12: 12,148,394 km (0.095 R)
• M13: 16,126,351 km (0.108 R)
• M14: 19,802,869 km (0.119 R)
• M15: 22,218,725 km (0.057 R)
• M16: 22,509,543 km (0.054 R)
• M17: 24,617,078 km (0.106 R)
• M18: 24,928,391 km (0.115 R)
• M19: 30,633,156 km (0.078 R)
• M20: 34,107,267 km (0.111 R)
• M21: 38,528,333 km (0.069 R)
• M22: 39,512,837 km (0.107 R)
• M23: 60,407,770 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.1

Radius: 5.6

Gravity: 18.56 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.29 AU - 13.05 AU

Year: 23639 Days

Day: 15.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,567,715 km

• M1: 74,799 km (0.107 R)
• M2: 290,519 km (0.093 R)
• M3: 587,620 km (0.115 R)
• M4: 1,327,382 km (0.099 R)
• M5: 1,799,214 km (0.108 R)
• M6: 2,073,875 km (0.076 R)
• M7: 2,286,903 km (0.052 R)
• M8: 2,832,935 km (0.055 R)
• M9: 3,701,500 km (0.062 R)
• M10: 4,993,128 km (0.069 R)
• M11: 5,823,097 km (0.056 R)
• M12: 6,926,830 km (0.076 R)
• M13: 14,055,468 km (0.075 R)
• M14: 16,351,346 km (0.036 R)
• M15: 26,744,659 km (0.072 R)
• M16: 30,366,423 km (0.111 R)
• M17: 32,163,243 km (0.091 R)
• M18: 33,489,279 km (0.108 R)
• M19: 40,822,716 km (0.11 R)
• M20: 45,765,429 km (0.118 R)
• M21: 55,867,175 km (0.117 R)
• M22: 59,736,225 km (0.108 R)
• M23: 60,930,914 km (0.107 R)
• M24: 61,534,092 km (0.079 R)
• M25: 63,780,155 km (0.035 R)
• M26: 69,304,804 km (0.107 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 17,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit