🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.67 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.3

Radius: 14.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.77 AU - 3.89 AU

Year: 2634 Days

Day: 8 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,602,065 km

• M1: 177,872 km (0.059 R)
• M2: 858,991 km (0.103 R)
• M3: 1,343,838 km (0.098 R)
• M4: 1,803,702 km (0.078 R)
• M5: 2,527,157 km (0.104 R)
• M6: 3,073,339 km (0.114 R)
• M7: 3,774,953 km (0.114 R)
• M8: 6,179,290 km (0.092 R)
• M9: 7,090,789 km (0.056 R)
• M10: 8,287,872 km (0.09 R)
• M11: 10,603,198 km (0.118 R)
• M12: 11,325,606 km (0.07 R)
• M13: 14,548,692 km (0.089 R)
• M14: 15,747,121 km (0.108 R)
• M15: 16,848,759 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.2

Radius: 8.6

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.69 AU - 4.41 AU

Year: 2899 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 111.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,602,065 km

• M1: 106,962 km (0.096 R)
• M2: 404,812 km (0.112 R)
• M3: 728,841 km (0.074 R)
• M4: 1,124,976 km (0.095 R)
• M5: 1,531,284 km (0.106 R)
• M6: 1,811,032 km (0.031 R)
• M7: 2,815,582 km (0.109 R)
• M8: 4,681,366 km (0.102 R)
• M9: 5,228,745 km (0.07 R)
• M10: 5,556,663 km (0.077 R)
• M11: 6,740,431 km (0.112 R)
• M12: 7,313,840 km (0.108 R)
• M13: 7,660,458 km (0.109 R)
• M14: 9,561,099 km (0.056 R)
• M15: 12,766,981 km (0.111 R)
• M16: 13,597,399 km (0.061 R)
• M17: 14,561,857 km (0.052 R)
• M18: 15,010,351 km (0.074 R)
• M19: 15,416,809 km (0.099 R)
• M20: 16,145,799 km (0.101 R)
• M21: 19,472,108 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 11.6

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.27 AU - 4.11 AU

Year: 3073 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,602,065 km

• M1: 147,504 km (0.068 R)
• M2: 623,823 km (0.036 R)
• M3: 1,068,578 km (0.089 R)
• M4: 1,636,302 km (0.113 R)
• M5: 3,218,449 km (0.041 R)
• M6: 4,553,011 km (0.095 R)
• M7: 5,700,128 km (0.067 R)
• M8: 7,506,672 km (0.098 R)
• M9: 8,243,591 km (0.05 R)
• M10: 9,363,032 km (0.107 R)
• M11: 12,035,298 km (0.106 R)
• M12: 12,671,388 km (0.106 R)
• M13: 13,522,002 km (0.096 R)
• M14: 14,460,878 km (0.056 R)
• M15: 15,284,564 km (0.098 R)
• M16: 16,303,176 km (0.075 R)
• M17: 16,801,187 km (0.057 R)
• M18: 17,195,527 km (0.058 R)
• M19: 17,769,534 km (0.045 R)
• M20: 18,654,555 km (0.086 R)
• M21: 20,131,535 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.3

Radius: 10.7

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.64 AU - 5.52 AU

Year: 4249 Days

Day: 11 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,602,065 km

• M1: 134,189 km (0.1 R)
• M2: 534,663 km (0.092 R)
• M3: 881,281 km (0.084 R)
• M4: 1,233,135 km (0.078 R)
• M5: 1,597,256 km (0.063 R)
• M6: 2,549,896 km (0.114 R)
• M7: 3,170,727 km (0.084 R)
• M8: 3,507,172 km (0.116 R)
• M9: 4,114,091 km (0.094 R)
• M10: 4,515,911 km (0.082 R)
• M11: 5,235,028 km (0.073 R)
• M12: 7,198,350 km (0.098 R)
• M13: 7,608,548 km (0.107 R)
• M14: 8,106,709 km (0.085 R)
• M15: 11,337,424 km (0.049 R)
• M16: 13,568,976 km (0.098 R)
• M17: 15,792,000 km (0.116 R)
• M18: 16,603,868 km (0.07 R)
• M19: 19,665,388 km (0.11 R)
• M20: 20,131,385 km (0.107 R)
• M21: 24,205,683 km (0.107 R)
• M22: 24,587,457 km (0.057 R)
• M23: 26,637,397 km (0.114 R)
• M24: 27,372,820 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.7

Radius: 13.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.8 AU - 4.98 AU

Year: 4687 Days

Day: 5.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,602,065 km

• M1: 162,912 km (0.074 R)
• M2: 748,588 km (0.102 R)
• M3: 1,616,854 km (0.076 R)
• M4: 2,458,342 km (0.091 R)
• M5: 3,553,847 km (0.107 R)
• M6: 5,575,662 km (0.081 R)
• M7: 7,214,657 km (0.076 R)
• M8: 7,909,987 km (0.074 R)
• M9: 8,385,709 km (0.095 R)
• M10: 9,638,740 km (0.076 R)
• M11: 12,270,915 km (0.095 R)
• M12: 13,726,353 km (0.107 R)
• M13: 14,795,229 km (0.094 R)
• M14: 16,266,973 km (0.05 R)
• M15: 19,831,591 km (0.062 R)
• M16: 24,728,528 km (0.091 R)
• M17: 25,195,872 km (0.118 R)
• M18: 28,464,286 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.2

Radius: 8.3

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.87 AU - 5.14 AU

Year: 4846 Days

Day: 11.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,602,065 km

• M1: 103,223 km (0.089 R)
• M2: 445,802 km (0.073 R)
• M3: 871,707 km (0.11 R)
• M4: 1,147,565 km (0.101 R)
• M5: 1,799,662 km (0.054 R)
• M6: 2,304,256 km (0.037 R)
• M7: 3,507,621 km (0.069 R)
• M8: 4,246,336 km (0.091 R)
• M9: 6,445,125 km (0.042 R)
• M10: 6,777,681 km (0.11 R)
• M11: 10,041,009 km (0.071 R)
• M12: 11,279,979 km (0.071 R)
• M13: 12,010,914 km (0.114 R)
• M14: 12,362,469 km (0.049 R)
• M15: 13,459,021 km (0.054 R)
• M16: 14,962,181 km (0.081 R)
• M17: 17,390,304 km (0.119 R)
• M18: 20,069,602 km (0.028 R)
• M19: 20,351,743 km (0.042 R)
• M20: 26,399,087 km (0.112 R)
• M21: 29,192,379 km (0.096 R)
• M22: 29,737,214 km (0.097 R)
• M23: 31,034,826 km (0.11 R)
• M24: 31,984,623 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.3

Radius: 8

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.2 AU - 6.08 AU

Year: 5051 Days

Day: 11.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,602,065 km

• M1: 99,483 km (0.095 R)
• M2: 356,641 km (0.036 R)
• M3: 782,696 km (0.107 R)
• M4: 1,054,815 km (0.093 R)
• M5: 1,451,997 km (0.091 R)
• M6: 1,822,102 km (0.063 R)
• M7: 2,226,166 km (0.075 R)
• M8: 2,704,879 km (0.096 R)
• M9: 3,888,049 km (0.1 R)
• M10: 4,560,341 km (0.103 R)
• M11: 5,591,819 km (0.067 R)
• M12: 8,040,736 km (0.042 R)
• M13: 9,880,640 km (0.037 R)
• M14: 12,886,061 km (0.114 R)
• M15: 15,860,516 km (0.066 R)
• M16: 18,022,055 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.8

Radius: 9.3

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.85 AU - 7.47 AU

Year: 8305 Days

Day: 7.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,602,065 km

• M1: 115,789 km (0.047 R)
• M2: 738,714 km (0.076 R)
• M3: 1,085,632 km (0.067 R)
• M4: 1,816,118 km (0.114 R)
• M5: 2,227,213 km (0.062 R)
• M6: 2,679,747 km (0.115 R)
• M7: 3,950,581 km (0.083 R)
• M8: 4,557,948 km (0.106 R)
• M9: 6,205,320 km (0.076 R)
• M10: 7,302,022 km (0.095 R)
• M11: 9,777,717 km (0.074 R)
• M12: 10,783,314 km (0.095 R)
• M13: 12,079,430 km (0.098 R)
• M14: 14,465,815 km (0.076 R)
• M15: 15,043,113 km (0.108 R)
• M16: 16,175,569 km (0.073 R)
• M17: 18,759,723 km (0.103 R)
• M18: 19,913,421 km (0.079 R)
• M19: 21,113,795 km (0.101 R)
• M20: 27,165,627 km (0.036 R)
• M21: 30,480,566 km (0.04 R)
• M22: 34,055,806 km (0.087 R)
• M23: 37,660,217 km (0.096 R)
• M24: 38,752,580 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.6

Radius: 3.7

Gravity: 43.29 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 10.31 AU - 12.97 AU

Year: 17214 Days

Day: 22.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,602,065 km

• M1: 46,076 km (0.067 R)
• M2: 294,857 km (0.1 R)
• M3: 495,618 km (0.117 R)
• M4: 1,010,085 km (0.089 R)
• M5: 2,296,477 km (0.044 R)
• M6: 2,668,377 km (0.059 R)
• M7: 3,053,891 km (0.113 R)
• M8: 3,312,994 km (0.095 R)
• M9: 4,210,282 km (0.074 R)
• M10: 4,868,364 km (0.041 R)
• M11: 5,980,025 km (0.111 R)
• M12: 6,808,947 km (0.077 R)
• M13: 7,027,510 km (0.071 R)
• M14: 8,142,612 km (0.115 R)
• M15: 12,059,234 km (0.095 R)
• M16: 13,509,885 km (0.105 R)
• M17: 17,392,697 km (0.114 R)
• M18: 21,958,424 km (0.087 R)
• M19: 27,591,981 km (0.108 R)
• M20: 35,534,281 km (0.089 R)
• M21: 35,796,227 km (0.101 R)
• M22: 36,723,136 km (0.093 R)
• M23: 38,486,595 km (0.092 R)
• M24: 40,163,737 km (0.102 R)
• M25: 41,743,341 km (0.077 R)
• M26: 45,950,183 km (0.116 R)
• M27: 46,573,258 km (0.095 R)
• M28: 60,248,149 km (0.065 R)
• M29: 64,234,932 km (0.092 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 19,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit