🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.3

Radius: 14.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.83 AU - 1.29 AU

Year: 728 Days

Day: 7.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,896,770 km

• M1: 182,958 km (0.118 R)
• M2: 664,215 km (0.046 R)
• M3: 1,220,719 km (0.105 R)
• M4: 1,782,758 km (0.117 R)
• M5: 2,394,464 km (0.111 R)
• M6: 3,295,043 km (0.032 R)
• M7: 6,431,811 km (0.073 R)
• M8: 7,544,819 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.2

Radius: 10.7

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.88 AU - 1.4 AU

Year: 812 Days

Day: 9.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,896,770 km

• M1: 133,142 km (0.116 R)
• M2: 539,151 km (0.11 R)
• M3: 978,370 km (0.07 R)
• M4: 1,427,612 km (0.099 R)
• M5: 1,937,592 km (0.111 R)
• M6: 2,293,635 km (0.084 R)
• M7: 2,764,718 km (0.092 R)
• M8: 3,437,161 km (0.092 R)
• M9: 3,812,502 km (0.077 R)
• M10: 4,544,185 km (0.105 R)
• M11: 5,198,676 km (0.057 R)
• M12: 6,078,161 km (0.105 R)
• M13: 6,783,964 km (0.048 R)
• M14: 7,543,622 km (0.094 R)
• M15: 8,031,012 km (0.117 R)
• M16: 8,774,962 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.1

Radius: 10.4

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.55 AU - 1.81 AU

Year: 1452 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,896,770 km

• M1: 129,552 km (0.113 R)
• M2: 487,390 km (0.095 R)
• M3: 818,899 km (0.111 R)
• M4: 1,443,320 km (0.078 R)
• M5: 1,800,710 km (0.091 R)
• M6: 2,979,690 km (0.117 R)
• M7: 3,437,759 km (0.076 R)
• M8: 4,139,672 km (0.091 R)
• M9: 4,612,850 km (0.093 R)
• M10: 5,943,673 km (0.12 R)
• M11: 6,572,283 km (0.112 R)
• M12: 7,032,895 km (0.085 R)
• M13: 8,545,479 km (0.048 R)
• M14: 9,126,069 km (0.092 R)
• M15: 9,667,613 km (0.04 R)
• M16: 10,163,081 km (0.072 R)
• M17: 11,641,258 km (0.094 R)
• M18: 12,088,854 km (0.096 R)
• M19: 12,781,642 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.1

Radius: 11.6

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.72 AU - 2.8 AU

Year: 3058 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,896,770 km

• M1: 144,512 km (0.052 R)
• M2: 505,940 km (0.073 R)
• M3: 1,314,217 km (0.106 R)
• M4: 1,865,336 km (0.09 R)
• M5: 2,242,921 km (0.082 R)
• M6: 2,733,153 km (0.09 R)
• M7: 3,437,460 km (0.053 R)
• M8: 4,072,503 km (0.119 R)
• M9: 4,853,254 km (0.069 R)
• M10: 5,402,428 km (0.102 R)
• M11: 7,737,351 km (0.106 R)
• M12: 8,488,482 km (0.1 R)
• M13: 10,060,457 km (0.089 R)
• M14: 11,238,241 km (0.071 R)
• M15: 11,692,420 km (0.104 R)
• M16: 12,418,418 km (0.108 R)
• M17: 16,507,527 km (0.117 R)
• M18: 16,879,726 km (0.111 R)
• M19: 18,030,433 km (0.078 R)
• M20: 19,823,513 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.3

Radius: 10.7

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.69 AU - 4.71 AU

Year: 6795 Days

Day: 8.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,896,770 km

• M1: 135,835 km (0.118 R)
• M2: 653,892 km (0.118 R)
• M3: 2,297,075 km (0.073 R)
• M4: 3,466,183 km (0.045 R)
• M5: 4,016,553 km (0.078 R)
• M6: 5,477,526 km (0.087 R)
• M7: 6,294,330 km (0.109 R)
• M8: 7,846,558 km (0.086 R)
• M9: 9,777,717 km (0.063 R)
• M10: 12,381,917 km (0.074 R)
• M11: 14,256,079 km (0.106 R)
• M12: 15,732,909 km (0.079 R)
• M13: 16,772,464 km (0.085 R)
• M14: 20,850,203 km (0.078 R)
• M15: 21,865,075 km (0.096 R)
• M16: 22,505,803 km (0.089 R)
• M17: 23,076,668 km (0.084 R)
• M18: 28,090,591 km (0.12 R)
• M19: 29,521,494 km (0.059 R)
• M20: 34,750,837 km (0.087 R)
• M21: 38,909,808 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.2

Radius: 5.2

Gravity: 35.92 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.08 AU - 6.52 AU

Year: 9315 Days

Day: 24.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,896,770 km

• M1: 64,626 km (0.031 R)
• M2: 252,072 km (0.068 R)
• M3: 539,749 km (0.097 R)
• M4: 738,864 km (0.114 R)
• M5: 966,253 km (0.051 R)
• M6: 1,463,516 km (0.113 R)
• M7: 1,698,684 km (0.117 R)
• M8: 1,908,121 km (0.053 R)
• M9: 2,579,516 km (0.091 R)
• M10: 3,250,014 km (0.108 R)
• M11: 5,122,979 km (0.095 R)
• M12: 6,749,557 km (0.103 R)
• M13: 7,701,298 km (0.032 R)
• M14: 9,816,313 km (0.095 R)
• M15: 11,089,092 km (0.079 R)
• M16: 11,536,689 km (0.11 R)
• M17: 11,707,679 km (0.072 R)
• M18: 12,951,884 km (0.11 R)
• M19: 14,744,815 km (0.115 R)
• M20: 15,561,470 km (0.093 R)
• M21: 15,840,171 km (0.042 R)
• M22: 17,734,229 km (0.092 R)
• M23: 18,423,576 km (0.065 R)
• M24: 19,051,289 km (0.085 R)
• M25: 19,370,381 km (0.063 R)
• M26: 22,228,149 km (0.104 R)
• M27: 22,670,809 km (0.102 R)
• M28: 27,832,833 km (0.045 R)
• M29: 31,455,047 km (0.11 R)
• M30: 34,428,155 km (0.072 R)
• M31: 35,259,470 km (0.113 R)
• M32: 37,458,559 km (0.104 R)
• M33: 37,708,387 km (0.112 R)
• M34: 47,754,183 km (0.05 R)
• M35: 50,593,850 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402

Radius: 8

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.97 AU - 12.91 AU

Year: 22495 Days

Day: 16.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,896,770 km

• M1: 99,483 km (0.065 R)
• M2: 666,608 km (0.094 R)
• M3: 1,086,679 km (0.06 R)
• M4: 1,625,979 km (0.095 R)
• M5: 1,975,589 km (0.089 R)
• M6: 2,291,091 km (0.094 R)
• M7: 2,617,065 km (0.104 R)
• M8: 2,924,489 km (0.117 R)
• M9: 5,418,136 km (0.073 R)
• M10: 5,999,922 km (0.119 R)
• M11: 7,016,739 km (0.118 R)
• M12: 8,143,958 km (0.114 R)
• M13: 8,393,189 km (0.093 R)
• M14: 8,802,788 km (0.114 R)
• M15: 9,717,279 km (0.054 R)
• M16: 11,297,781 km (0.067 R)
• M17: 11,860,718 km (0.106 R)
• M18: 16,024,326 km (0.109 R)
• M19: 17,549,027 km (0.076 R)
• M20: 17,881,882 km (0.069 R)
• M21: 22,601,845 km (0.096 R)
• M22: 23,696,901 km (0.066 R)
• M23: 25,352,351 km (0.105 R)
• M24: 25,885,069 km (0.098 R)
• M25: 30,299,852 km (0.048 R)
• M26: 31,385,484 km (0.097 R)
• M27: 33,634,239 km (0.088 R)
• M28: 34,148,257 km (0.085 R)
• M29: 36,796,738 km (0.077 R)
• M30: 47,303,296 km (0.088 R)
• M31: 48,436,200 km (0.098 R)
• M32: 49,586,907 km (0.113 R)
• M33: 55,794,919 km (0.088 R)
• M34: 58,342,571 km (0.087 R)
• M35: 62,694,972 km (0.077 R)
• M36: 64,061,249 km (0.088 R)
• M37: 66,047,610 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 12,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit