🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65

Radius: 8.1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.79 AU - 1.29 AU

Year: 707 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,542,794 km

• M1: 104,569 km (0.106 R)
• M2: 384,018 km (0.099 R)
• M3: 1,001,857 km (0.118 R)
• M4: 1,593,068 km (0.041 R)
• M5: 2,070,285 km (0.079 R)
• M6: 2,431,115 km (0.045 R)
• M7: 3,289,657 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.7

Radius: 13.2

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.19 AU - 3.31 AU

Year: 3041 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,542,794 km

• M1: 164,109 km (0.097 R)
• M2: 940,223 km (0.074 R)
• M3: 1,583,793 km (0.062 R)
• M4: 2,393,416 km (0.104 R)
• M5: 2,874,074 km (0.066 R)
• M6: 3,693,721 km (0.08 R)
• M7: 7,280,330 km (0.088 R)
• M8: 8,888,208 km (0.098 R)
• M9: 9,806,290 km (0.109 R)
• M10: 10,463,473 km (0.098 R)
• M11: 10,950,714 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.7

Radius: 9.5

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.13 AU - 3.51 AU

Year: 3158 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,542,794 km

• M1: 118,182 km (0.098 R)
• M2: 538,104 km (0.057 R)
• M3: 1,196,783 km (0.085 R)
• M4: 1,784,852 km (0.109 R)
• M5: 2,424,832 km (0.075 R)
• M6: 2,991,509 km (0.068 R)
• M7: 3,720,200 km (0.069 R)
• M8: 4,606,866 km (0.073 R)
• M9: 5,304,591 km (0.101 R)
• M10: 6,044,502 km (0.058 R)
• M11: 11,786,966 km (0.089 R)
• M12: 12,339,880 km (0.071 R)
• M13: 12,732,574 km (0.104 R)
• M14: 13,497,468 km (0.116 R)
• M15: 18,009,340 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.6

Radius: 11.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.18 AU - 3.6 AU

Year: 3276 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,542,794 km

• M1: 143,016 km (0.075 R)
• M2: 508,932 km (0.062 R)
• M3: 957,127 km (0.058 R)
• M4: 1,417,440 km (0.095 R)
• M5: 2,037,972 km (0.109 R)
• M6: 2,441,736 km (0.048 R)
• M7: 3,211,567 km (0.099 R)
• M8: 3,884,907 km (0.091 R)
• M9: 4,354,794 km (0.079 R)
• M10: 4,910,550 km (0.12 R)
• M11: 5,751,589 km (0.098 R)
• M12: 7,237,096 km (0.058 R)
• M13: 8,891,649 km (0.119 R)
• M14: 9,788,338 km (0.102 R)
• M15: 10,951,013 km (0.113 R)
• M16: 11,936,863 km (0.081 R)
• M17: 13,215,775 km (0.096 R)
• M18: 14,991,651 km (0.083 R)
• M19: 15,354,576 km (0.069 R)
• M20: 17,542,894 km (0.115 R)
• M21: 18,062,447 km (0.08 R)
• M22: 18,711,552 km (0.054 R)
• M23: 19,072,083 km (0.103 R)
• M24: 20,434,022 km (0.067 R)
• M25: 21,399,078 km (0.116 R)
• M26: 22,596,908 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 12.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.11 AU - 4.09 AU

Year: 4555 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,542,794 km

• M1: 155,432 km (0.071 R)
• M2: 719,416 km (0.096 R)
• M3: 2,616,766 km (0.097 R)
• M4: 3,102,211 km (0.06 R)
• M5: 3,608,001 km (0.101 R)
• M6: 4,858,939 km (0.118 R)
• M7: 6,528,002 km (0.06 R)
• M8: 7,014,943 km (0.028 R)
• M9: 9,023,893 km (0.115 R)
• M10: 9,551,974 km (0.084 R)
• M11: 10,261,367 km (0.046 R)
• M12: 12,417,222 km (0.076 R)
• M13: 13,504,200 km (0.084 R)
• M14: 14,602,099 km (0.114 R)
• M15: 16,084,613 km (0.083 R)
• M16: 16,581,727 km (0.077 R)
• M17: 17,665,115 km (0.117 R)
• M18: 18,795,028 km (0.08 R)
• M19: 20,035,942 km (0.06 R)
• M20: 23,096,266 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.5

Radius: 12

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.75 AU - 5.25 AU

Year: 7456 Days

Day: 10.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,542,794 km

• M1: 149,299 km (0.076 R)
• M2: 636,389 km (0.114 R)
• M3: 1,035,516 km (0.078 R)
• M4: 1,505,852 km (0.118 R)
• M5: 2,933,165 km (0.115 R)
• M6: 3,313,294 km (0.086 R)
• M7: 4,174,229 km (0.106 R)
• M8: 6,269,048 km (0.05 R)
• M9: 6,688,521 km (0.117 R)
• M10: 7,277,039 km (0.077 R)
• M11: 8,431,934 km (0.088 R)
• M12: 10,952,210 km (0.076 R)
• M13: 12,740,652 km (0.066 R)
• M14: 14,716,242 km (0.106 R)
• M15: 15,841,068 km (0.073 R)
• M16: 16,754,962 km (0.113 R)
• M17: 20,688,189 km (0.119 R)
• M18: 21,938,977 km (0.085 R)
• M19: 29,831,910 km (0.045 R)
• M20: 36,106,194 km (0.097 R)
• M21: 38,611,360 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643

Radius: 4.2

Gravity: 36.45 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.78 AU - 6.82 AU

Year: 9315 Days

Day: 17.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,542,794 km

• M1: 52,210 km (0.076 R)
• M2: 490,382 km (0.047 R)
• M3: 1,109,268 km (0.038 R)
• M4: 1,748,201 km (0.114 R)
• M5: 1,952,851 km (0.096 R)
• M6: 2,978,643 km (0.041 R)
• M7: 3,732,467 km (0.094 R)
• M8: 4,404,161 km (0.106 R)
• M9: 4,547,626 km (0.055 R)
• M10: 4,966,051 km (0.106 R)
• M11: 5,184,613 km (0.104 R)
• M12: 6,375,263 km (0.103 R)
• M13: 6,671,018 km (0.092 R)
• M14: 8,596,642 km (0.077 R)
• M15: 9,328,624 km (0.103 R)
• M16: 15,061,813 km (0.117 R)
• M17: 15,586,153 km (0.105 R)
• M18: 23,637,960 km (0.091 R)
• M19: 29,800,195 km (0.083 R)
• M20: 32,973,615 km (0.107 R)
• M21: 37,425,946 km (0.068 R)
• M22: 42,651,251 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.5

Radius: 7

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.69 AU - 8.61 AU

Year: 15516 Days

Day: 17.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,542,794 km

• M1: 87,066 km (0.084 R)
• M2: 355,145 km (0.112 R)
• M3: 822,788 km (0.061 R)
• M4: 1,122,134 km (0.09 R)
• M5: 1,361,191 km (0.041 R)
• M6: 1,634,357 km (0.099 R)
• M7: 2,728,366 km (0.117 R)
• M8: 5,364,131 km (0.12 R)
• M9: 6,012,039 km (0.106 R)
• M10: 8,269,022 km (0.068 R)
• M11: 9,237,669 km (0.109 R)
• M12: 10,223,219 km (0.085 R)
• M13: 10,508,951 km (0.108 R)
• M14: 12,990,780 km (0.086 R)
• M15: 13,944,616 km (0.099 R)
• M16: 19,685,733 km (0.057 R)
• M17: 20,850,502 km (0.076 R)
• M18: 23,712,908 km (0.109 R)
• M19: 28,145,343 km (0.088 R)
• M20: 31,750,353 km (0.109 R)
• M21: 33,224,789 km (0.075 R)
• M22: 34,105,622 km (0.087 R)
• M23: 35,913,811 km (0.098 R)
• M24: 42,745,497 km (0.075 R)
• M25: 60,196,986 km (0.083 R)
• M26: 61,505,070 km (0.105 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 14,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit