🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.4

Radius: 9.6

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.12 AU - 1.82 AU

Year: 1209 Days

Day: 7.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,567,051 km

• M1: 119,379 km (0.098 R)
• M2: 614,997 km (0.107 R)
• M3: 937,380 km (0.07 R)
• M4: 1,489,247 km (0.058 R)
• M5: 1,792,033 km (0.044 R)
• M6: 2,325,050 km (0.065 R)
• M7: 3,070,347 km (0.117 R)
• M8: 3,521,683 km (0.115 R)
• M9: 4,378,281 km (0.113 R)
• M10: 4,705,302 km (0.095 R)
• M11: 5,087,824 km (0.086 R)
• M12: 5,388,216 km (0.106 R)
• M13: 5,807,389 km (0.118 R)
• M14: 6,640,201 km (0.118 R)
• M15: 7,601,965 km (0.088 R)
• M16: 7,915,822 km (0.087 R)
• M17: 8,682,212 km (0.092 R)
• M18: 9,025,539 km (0.1 R)
• M19: 9,587,428 km (0.038 R)
• M20: 10,109,974 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 9.9

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.61 AU - 2.29 AU

Year: 1847 Days

Day: 6.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,567,051 km

• M1: 123,119 km (0.114 R)
• M2: 436,078 km (0.071 R)
• M3: 926,310 km (0.031 R)
• M4: 1,276,668 km (0.062 R)
• M5: 1,628,522 km (0.074 R)
• M6: 2,114,117 km (0.102 R)
• M7: 2,520,275 km (0.07 R)
• M8: 3,329,600 km (0.046 R)
• M9: 3,812,203 km (0.094 R)
• M10: 4,398,626 km (0.108 R)
• M11: 5,456,134 km (0.057 R)
• M12: 5,937,988 km (0.115 R)
• M13: 6,472,950 km (0.102 R)
• M14: 6,829,741 km (0.072 R)
• M15: 7,253,851 km (0.052 R)
• M16: 7,922,853 km (0.063 R)
• M17: 8,331,704 km (0.118 R)
• M18: 9,287,335 km (0.08 R)
• M19: 9,808,534 km (0.068 R)
• M20: 11,160,450 km (0.119 R)
• M21: 12,950,239 km (0.04 R)
• M22: 13,354,452 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.3

Radius: 11.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.6 AU - 5.38 AU

Year: 6453 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,567,051 km

• M1: 138,228 km (0.03 R)
• M2: 507,286 km (0.111 R)
• M3: 1,162,974 km (0.077 R)
• M4: 1,660,686 km (0.064 R)
• M5: 2,378,307 km (0.044 R)
• M6: 2,995,997 km (0.112 R)
• M7: 3,739,947 km (0.105 R)
• M8: 4,654,738 km (0.072 R)
• M9: 5,506,398 km (0.092 R)
• M10: 6,077,862 km (0.082 R)
• M11: 6,622,399 km (0.101 R)
• M12: 7,164,392 km (0.105 R)
• M13: 8,145,903 km (0.083 R)
• M14: 8,728,886 km (0.048 R)
• M15: 10,241,620 km (0.102 R)
• M16: 10,828,791 km (0.065 R)
• M17: 11,824,515 km (0.111 R)
• M18: 13,834,213 km (0.08 R)
• M19: 15,352,481 km (0.098 R)
• M20: 16,182,301 km (0.096 R)
• M21: 17,166,804 km (0.12 R)
• M22: 19,871,684 km (0.069 R)
• M23: 21,948,551 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.6

Radius: 8.1

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.52 AU - 4.96 AU

Year: 6999 Days

Day: 13.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,567,051 km

• M1: 104,419 km (0.044 R)
• M2: 360,980 km (0.118 R)
• M3: 644,168 km (0.068 R)
• M4: 993,330 km (0.119 R)
• M5: 1,441,974 km (0.104 R)
• M6: 1,706,912 km (0.109 R)
• M7: 2,610,034 km (0.118 R)
• M8: 2,945,432 km (0.109 R)
• M9: 3,874,585 km (0.083 R)
• M10: 5,105,775 km (0.119 R)
• M11: 5,537,216 km (0.104 R)
• M12: 5,959,381 km (0.078 R)
• M13: 10,485,614 km (0.051 R)
• M14: 12,505,484 km (0.05 R)
• M15: 13,519,908 km (0.102 R)
• M16: 14,166,320 km (0.087 R)
• M17: 15,647,788 km (0.12 R)
• M18: 16,492,118 km (0.083 R)
• M19: 19,354,075 km (0.06 R)
• M20: 20,632,239 km (0.116 R)
• M21: 25,328,415 km (0.104 R)
• M22: 28,159,406 km (0.109 R)
• M23: 29,115,934 km (0.082 R)
• M24: 31,601,653 km (0.109 R)
• M25: 33,476,563 km (0.096 R)
• M26: 35,094,763 km (0.116 R)
• M27: 36,651,478 km (0.095 R)
• M28: 37,676,224 km (0.068 R)
• M29: 38,954,388 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.8

Radius: 7.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.88 AU - 11.58 AU

Year: 23839 Days

Day: 20.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,567,051 km

• M1: 171,439 km (0.102 R)
• M2: 510,129 km (0.044 R)
• M3: 1,318,406 km (0.068 R)
• M4: 1,664,276 km (0.074 R)
• M5: 3,453,916 km (0.09 R)
• M6: 3,830,603 km (0.029 R)
• M7: 4,794,911 km (0.093 R)
• M8: 5,093,359 km (0.104 R)
• M9: 5,618,298 km (0.07 R)
• M10: 6,452,755 km (0.099 R)
• M11: 7,675,717 km (0.094 R)
• M12: 9,815,864 km (0.089 R)
• M13: 10,628,480 km (0.12 R)
• M14: 12,510,571 km (0.1 R)
• M15: 14,398,945 km (0.03 R)
• M16: 15,734,405 km (0.078 R)
• M17: 22,916,299 km (0.098 R)
• M18: 26,848,479 km (0.042 R)
• M19: 40,885,397 km (0.102 R)
• M20: 41,992,721 km (0.041 R)
• M21: 49,995,459 km (0.1 R)
• M22: 52,224,617 km (0.026 R)
• M23: 52,548,346 km (0.098 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: 415 - 14,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit