🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.61 AU - 0.67 AU

Year: 184 Days

Day: 25.8 Hours

Environment

Temp: 174 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.73 AU - 0.95 AU

Year: 277 Days

Day: 42.9 Hours

Environment

Temp: 176 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.65 AU - 1.05 AU

Year: 282 Days

Day: 17.6 Hours

Environment

Temp: 162 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 93,889,567 km

• M1: 179,069 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.85 AU - 1.31 AU

Year: 404 Days

Day: 25.9 Hours

Environment

Temp: 20 °C

Axial Tilt: 26.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.48 AU - 3.1 AU

Year: 1677 Days

Day: 31.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,889,567 km

• M1: 1,554,920 km (0.09 R)

Asteroid Belt

Center: 4.25 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.6

Radius: 11.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.98 AU - 6.42 AU

Year: 4898 Days

Day: 8.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 93,889,567 km

• M1: 223,499 km (0.071 R)
• M2: 1,916,199 km (0.113 R)
• M3: 2,822,313 km (0.051 R)
• M4: 3,275,296 km (0.056 R)
• M5: 3,826,265 km (0.084 R)
• M6: 6,919,949 km (0.049 R)
• M7: 9,700,225 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.4

Radius: 10.7

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.01 AU - 7.83 AU

Year: 5854 Days

Day: 10.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 93,889,567 km

• M1: 133,142 km (0.091 R)
• M2: 509,082 km (0.063 R)
• M3: 863,479 km (0.058 R)
• M4: 1,532,181 km (0.114 R)
• M5: 2,187,570 km (0.043 R)
• M6: 5,249,838 km (0.109 R)
• M7: 5,727,354 km (0.119 R)
• M8: 6,398,002 km (0.105 R)
• M9: 7,049,201 km (0.052 R)
• M10: 8,363,867 km (0.084 R)
• M11: 10,892,221 km (0.088 R)
• M12: 11,621,211 km (0.065 R)
• M13: 12,073,895 km (0.097 R)
• M14: 12,486,336 km (0.106 R)
• M15: 16,007,870 km (0.097 R)
• M16: 18,196,187 km (0.078 R)
• M17: 20,070,499 km (0.107 R)
• M18: 21,614,798 km (0.111 R)
• M19: 25,104,916 km (0.119 R)
• M20: 27,778,230 km (0.087 R)
• M21: 28,679,707 km (0.074 R)
• M22: 31,018,371 km (0.08 R)
• M23: 31,500,973 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.7

Radius: 9.6

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.65 AU - 13.97 AU

Year: 13689 Days

Day: 13.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 93,889,567 km

• M1: 121,922 km (0.096 R)
• M2: 692,937 km (0.119 R)
• M3: 1,009,786 km (0.116 R)
• M4: 1,315,115 km (0.075 R)
• M5: 1,765,255 km (0.092 R)
• M6: 2,275,982 km (0.109 R)
• M7: 3,026,066 km (0.115 R)
• M8: 3,432,224 km (0.074 R)
• M9: 4,170,190 km (0.069 R)
• M10: 4,674,784 km (0.113 R)
• M11: 5,044,889 km (0.102 R)
• M12: 5,470,794 km (0.077 R)
• M13: 5,959,381 km (0.091 R)
• M14: 6,725,471 km (0.044 R)
• M15: 8,162,209 km (0.099 R)
• M16: 12,000,292 km (0.104 R)
• M17: 13,352,508 km (0.114 R)
• M18: 13,757,020 km (0.119 R)
• M19: 15,827,904 km (0.039 R)
• M20: 16,510,818 km (0.078 R)
• M21: 18,098,500 km (0.095 R)
• M22: 19,098,711 km (0.12 R)
• M23: 20,223,388 km (0.105 R)
• M24: 20,936,970 km (0.107 R)
• M25: 21,945,708 km (0.114 R)
• M26: 22,794,676 km (0.087 R)
• M27: 23,763,622 km (0.086 R)
• M28: 24,158,710 km (0.117 R)
• M29: 26,411,055 km (0.039 R)
• M30: 35,781,268 km (0.119 R)
• M31: 36,300,671 km (0.049 R)
• M32: 37,621,022 km (0.112 R)
• M33: 38,428,402 km (0.115 R)
• M34: 40,077,868 km (0.095 R)
• M35: 42,639,731 km (0.094 R)
• M36: 53,642,206 km (0.082 R)
• M37: 56,925,131 km (0.045 R)
• M38: 60,523,259 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.8

Radius: 6.2

Gravity: 17.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 11.97 AU - 13.59 AU

Year: 16443 Days

Day: 19.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 93,889,567 km

• M1: 77,043 km (0.108 R)
• M2: 378,632 km (0.093 R)
• M3: 1,034,469 km (0.111 R)
• M4: 1,331,421 km (0.103 R)
• M5: 2,196,396 km (0.119 R)
• M6: 2,644,591 km (0.096 R)
• M7: 3,442,397 km (0.097 R)
• M8: 4,016,553 km (0.073 R)
• M9: 4,994,624 km (0.057 R)
• M10: 5,207,801 km (0.027 R)
• M11: 6,703,181 km (0.032 R)
• M12: 6,919,201 km (0.109 R)
• M13: 7,184,587 km (0.069 R)
• M14: 9,078,646 km (0.115 R)
• M15: 11,041,520 km (0.096 R)
• M16: 12,605,715 km (0.034 R)
• M17: 14,099,450 km (0.113 R)
• M18: 14,743,169 km (0.115 R)
• M19: 17,843,286 km (0.112 R)
• M20: 18,091,918 km (0.09 R)
• M21: 20,982,149 km (0.089 R)
• M22: 25,294,906 km (0.091 R)
• M23: 27,436,997 km (0.072 R)
• M24: 28,552,100 km (0.081 R)
• M25: 31,350,927 km (0.063 R)
• M26: 33,315,296 km (0.041 R)
• M27: 35,884,041 km (0.096 R)
• M28: 44,226,217 km (0.092 R)
• M29: 44,681,892 km (0.07 R)
• M30: 46,223,348 km (0.091 R)
• M31: 49,086,801 km (0.1 R)
• M32: 54,989,036 km (0.028 R)
• M33: 55,339,843 km (0.109 R)
• M34: 58,565,173 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.1

Radius: 6.2

Gravity: 24.64 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 12.87 AU - 19.39 AU

Year: 23314 Days

Day: 23 Hours

Environment

Temp: -183 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 93,889,567 km

• M1: 77,791 km (0.048 R)
• M2: 302,786 km (0.09 R)
• M3: 571,314 km (0.101 R)
• M4: 861,833 km (0.077 R)
• M5: 1,145,620 km (0.093 R)
• M6: 1,439,880 km (0.101 R)
• M7: 1,688,212 km (0.097 R)
• M8: 1,985,912 km (0.104 R)
• M9: 2,635,466 km (0.062 R)
• M10: 3,479,198 km (0.043 R)
• M11: 3,764,331 km (0.1 R)
• M12: 5,556,813 km (0.092 R)
• M13: 5,815,019 km (0.112 R)
• M14: 6,036,124 km (0.118 R)
• M15: 6,542,812 km (0.042 R)
• M16: 8,014,108 km (0.052 R)
• M17: 8,625,813 km (0.072 R)
• M18: 11,874,181 km (0.096 R)
• M19: 13,267,835 km (0.105 R)
• M20: 16,376,180 km (0.087 R)
• M21: 22,112,211 km (0.11 R)
• M22: 22,543,651 km (0.107 R)
• M23: 23,984,279 km (0.112 R)
• M24: 28,928,787 km (0.094 R)
• M25: 37,784,832 km (0.116 R)
• M26: 42,241,652 km (0.058 R)
• M27: 43,914,605 km (0.043 R)
• M28: 49,197,953 km (0.079 R)
• M29: 61,216,047 km (0.106 R)
• M30: 62,708,884 km (0.08 R)
• M31: 74,325,308 km (0.044 R)
• M32: 78,245,221 km (0.049 R)
• M33: 83,596,188 km (0.068 R)
• M34: 84,118,135 km (0.068 R)

Kuiper Belt

Range: 30.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 17,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit