🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.1

Radius: 8.5

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.49 AU - 0.53 AU

Year: 251 Days

Day: 11.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,569,706 km

• M1: 105,766 km (0.114 R)
• M2: 567,425 km (0.083 R)
• M3: 940,073 km (0.113 R)
• M4: 1,254,977 km (0.096 R)
• M5: 1,777,821 km (0.108 R)
• M6: 2,356,017 km (0.073 R)
• M7: 2,801,669 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 12.2

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.51 AU - 0.57 AU

Year: 274 Days

Day: 12.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,569,706 km

• M1: 152,141 km (0.112 R)
• M2: 651,050 km (0.101 R)
• M3: 1,231,340 km (0.103 R)
• M4: 1,919,041 km (0.089 R)
• M5: 2,908,033 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.9

Radius: 11.6

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.71 AU - 1.01 AU

Year: 551 Days

Day: 6.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,569,706 km

• M1: 146,456 km (0.079 R)
• M2: 674,238 km (0.055 R)
• M3: 1,149,360 km (0.102 R)
• M4: 1,537,118 km (0.033 R)
• M5: 1,945,670 km (0.064 R)
• M6: 2,388,180 km (0.084 R)
• M7: 3,330,049 km (0.091 R)
• M8: 4,489,283 km (0.113 R)
• M9: 5,474,833 km (0.113 R)
• M10: 6,347,438 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.7

Radius: 12.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.7 AU - 1.08 AU

Year: 580 Days

Day: 7.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,569,706 km

• M1: 160,369 km (0.101 R)
• M2: 574,755 km (0.041 R)
• M3: 1,177,036 km (0.079 R)
• M4: 1,849,478 km (0.106 R)
• M5: 2,576,973 km (0.049 R)
• M6: 3,202,741 km (0.086 R)
• M7: 3,630,740 km (0.054 R)
• M8: 5,018,859 km (0.108 R)
• M9: 6,340,706 km (0.03 R)
• M10: 7,145,841 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.6

Radius: 13.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.93 AU - 0.95 AU

Year: 629 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,569,706 km

• M1: 167,849 km (0.109 R)
• M2: 652,396 km (0.081 R)
• M3: 1,166,115 km (0.1 R)
• M4: 1,622,987 km (0.104 R)
• M5: 2,049,192 km (0.116 R)
• M6: 2,676,007 km (0.071 R)
• M7: 3,781,086 km (0.104 R)
• M8: 4,393,241 km (0.06 R)
• M9: 4,955,878 km (0.088 R)
• M10: 5,601,842 km (0.114 R)
• M11: 6,150,866 km (0.096 R)
• M12: 6,635,862 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.8

Radius: 12.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1 AU - 1.02 AU

Year: 701 Days

Day: 9.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,569,706 km

• M1: 158,125 km (0.067 R)
• M2: 855,550 km (0.075 R)
• M3: 1,911,711 km (0.11 R)
• M4: 2,684,085 km (0.045 R)
• M5: 3,237,148 km (0.117 R)
• M6: 4,351,204 km (0.061 R)
• M7: 4,833,507 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 9.1

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.32 AU - 1.32 AU

Year: 1047 Days

Day: 10.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,569,706 km

• M1: 113,246 km (0.081 R)
• M2: 508,782 km (0.119 R)
• M3: 889,509 km (0.103 R)
• M4: 1,473,240 km (0.103 R)
• M5: 1,855,762 km (0.093 R)
• M6: 2,455,200 km (0.094 R)
• M7: 3,153,822 km (0.093 R)
• M8: 3,510,164 km (0.112 R)
• M9: 4,109,902 km (0.083 R)
• M10: 5,676,790 km (0.092 R)
• M11: 6,914,264 km (0.028 R)
• M12: 7,452,068 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.2

Radius: 14.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.49 AU - 5.51 AU

Year: 7717 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,569,706 km

• M1: 180,864 km (0.078 R)
• M2: 747,241 km (0.027 R)
• M3: 1,761,964 km (0.071 R)
• M4: 2,265,809 km (0.104 R)
• M5: 2,744,223 km (0.066 R)
• M6: 3,429,830 km (0.091 R)
• M7: 5,959,530 km (0.104 R)
• M8: 7,935,269 km (0.05 R)
• M9: 12,920,918 km (0.112 R)
• M10: 13,635,248 km (0.075 R)
• M11: 14,281,660 km (0.114 R)
• M12: 16,602,820 km (0.072 R)
• M13: 17,074,503 km (0.102 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 13.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.37 AU - 5.39 AU

Year: 8614 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,569,706 km

• M1: 168,298 km (0.119 R)
• M2: 676,033 km (0.046 R)
• M3: 1,364,183 km (0.117 R)
• M4: 2,151,816 km (0.091 R)
• M5: 2,690,219 km (0.106 R)
• M6: 3,135,721 km (0.1 R)
• M7: 4,069,511 km (0.069 R)
• M8: 5,571,623 km (0.12 R)
• M9: 6,449,164 km (0.047 R)
• M10: 7,176,060 km (0.118 R)
• M11: 7,830,252 km (0.104 R)
• M12: 10,234,589 km (0.098 R)
• M13: 10,905,386 km (0.117 R)
• M14: 11,495,848 km (0.069 R)
• M15: 11,994,757 km (0.077 R)
• M16: 13,886,871 km (0.116 R)
• M17: 15,034,885 km (0.118 R)
• M18: 16,314,246 km (0.119 R)
• M19: 20,106,851 km (0.109 R)
• M20: 22,250,140 km (0.062 R)
• M21: 24,179,504 km (0.097 R)
• M22: 25,557,450 km (0.12 R)
• M23: 31,059,510 km (0.093 R)
• M24: 31,595,818 km (0.109 R)
• M25: 33,465,642 km (0.118 R)
• M26: 35,408,170 km (0.112 R)
• M27: 40,528,008 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.3

Radius: 7

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.72 AU - 6.82 AU

Year: 10837 Days

Day: 19.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,569,706 km

• M1: 87,515 km (0.071 R)
• M2: 467,643 km (0.035 R)
• M3: 1,048,980 km (0.044 R)
• M4: 1,581,549 km (0.098 R)
• M5: 2,218,836 km (0.108 R)
• M6: 2,544,660 km (0.117 R)
• M7: 2,958,447 km (0.114 R)
• M8: 4,676,729 km (0.057 R)
• M9: 6,938,200 km (0.078 R)
• M10: 7,781,932 km (0.055 R)
• M11: 9,545,541 km (0.073 R)
• M12: 10,542,611 km (0.094 R)
• M13: 12,240,098 km (0.066 R)
• M14: 12,844,324 km (0.119 R)
• M15: 14,720,281 km (0.035 R)
• M16: 15,929,480 km (0.068 R)
• M17: 16,588,609 km (0.105 R)
• M18: 18,154,300 km (0.097 R)
• M19: 18,544,152 km (0.076 R)
• M20: 19,072,681 km (0.114 R)
• M21: 19,475,698 km (0.069 R)
• M22: 24,685,145 km (0.088 R)
• M23: 27,056,121 km (0.1 R)
• M24: 27,479,782 km (0.116 R)
• M25: 29,041,435 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 15,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit