🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.55 AU - 2.21 AU

Year: 1110 Days

Day: 12.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.4

Radius: 8.9

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.82 AU - 5.92 AU

Year: 5357 Days

Day: 7.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,473,086 km

• M1: 110,702 km (0.045 R)
• M2: 506,987 km (0.081 R)
• M3: 785,538 km (0.116 R)
• M4: 1,681,480 km (0.089 R)
• M5: 2,411,966 km (0.116 R)
• M6: 2,958,148 km (0.079 R)
• M7: 3,379,865 km (0.093 R)
• M8: 4,041,835 km (0.113 R)
• M9: 4,367,959 km (0.077 R)
• M10: 4,916,085 km (0.091 R)
• M11: 5,233,981 km (0.081 R)
• M12: 6,677,600 km (0.102 R)
• M13: 7,718,053 km (0.104 R)
• M14: 8,785,883 km (0.101 R)
• M15: 9,375,299 km (0.06 R)
• M16: 10,074,968 km (0.084 R)
• M17: 11,211,912 km (0.091 R)
• M18: 14,859,108 km (0.101 R)
• M19: 15,639,111 km (0.096 R)
• M20: 16,039,136 km (0.1 R)
• M21: 16,622,567 km (0.101 R)
• M22: 17,831,767 km (0.084 R)
• M23: 18,969,309 km (0.106 R)
• M24: 19,886,943 km (0.056 R)
• M25: 21,458,319 km (0.094 R)
• M26: 21,952,590 km (0.082 R)
• M27: 22,382,235 km (0.108 R)
• M28: 23,930,274 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.2

Radius: 8.2

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.03 AU - 6.25 AU

Year: 5766 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,473,086 km

• M1: 102,175 km (0.049 R)
• M2: 409,300 km (0.109 R)
• M3: 729,140 km (0.059 R)
• M4: 1,008,738 km (0.033 R)
• M5: 1,431,352 km (0.117 R)
• M6: 1,880,146 km (0.073 R)
• M7: 3,288,610 km (0.114 R)
• M8: 3,643,307 km (0.096 R)
• M9: 4,047,819 km (0.088 R)
• M10: 7,281,826 km (0.091 R)
• M11: 12,131,490 km (0.027 R)
• M12: 16,201,300 km (0.092 R)
• M13: 17,295,608 km (0.073 R)
• M14: 18,853,670 km (0.081 R)
• M15: 20,063,917 km (0.101 R)
• M16: 28,066,805 km (0.082 R)
• M17: 34,408,109 km (0.053 R)
• M18: 35,567,941 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 12.4

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.96 AU - 6.06 AU

Year: 6342 Days

Day: 12.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,473,086 km

• M1: 162,613 km (0.105 R)
• M2: 595,549 km (0.104 R)
• M3: 1,156,392 km (0.041 R)
• M4: 1,676,543 km (0.045 R)
• M5: 2,613,774 km (0.073 R)
• M6: 3,221,291 km (0.107 R)
• M7: 11,306,906 km (0.11 R)
• M8: 12,332,549 km (0.063 R)
• M9: 14,275,526 km (0.119 R)
• M10: 16,223,440 km (0.11 R)
• M11: 17,527,635 km (0.097 R)
• M12: 18,342,943 km (0.11 R)
• M13: 19,041,415 km (0.048 R)
• M14: 24,859,127 km (0.069 R)
• M15: 26,767,547 km (0.099 R)
• M16: 28,031,799 km (0.074 R)
• M17: 28,492,859 km (0.114 R)
• M18: 29,430,090 km (0.061 R)
• M19: 30,679,232 km (0.06 R)
• M20: 31,366,186 km (0.071 R)
• M21: 35,705,870 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.6

Radius: 7.3

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.39 AU - 12.25 AU

Year: 15320 Days

Day: 15.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,473,086 km

• M1: 180,864 km (0.104 R)
• M2: 728,691 km (0.101 R)
• M3: 3,084,409 km (0.089 R)
• M4: 4,996,569 km (0.092 R)
• M5: 7,849,251 km (0.07 R)
• M6: 8,352,498 km (0.067 R)
• M7: 14,344,341 km (0.116 R)
• M8: 16,616,135 km (0.094 R)
• M9: 23,323,505 km (0.104 R)
• M10: 26,790,735 km (0.076 R)
• M11: 32,416,063 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.4

Radius: 7.3

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 9.09 AU - 13.41 AU

Year: 16242 Days

Day: 15.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,473,086 km

• M1: 90,806 km (0.09 R)
• M2: 342,729 km (0.083 R)
• M3: 618,587 km (0.073 R)
• M4: 1,227,301 km (0.098 R)
• M5: 1,753,885 km (0.095 R)
• M6: 2,163,634 km (0.114 R)
• M7: 3,199,150 km (0.078 R)
• M8: 4,532,516 km (0.086 R)
• M9: 5,095,453 km (0.051 R)
• M10: 6,936,853 km (0.115 R)
• M11: 8,147,698 km (0.108 R)
• M12: 8,928,599 km (0.062 R)
• M13: 11,933,123 km (0.062 R)
• M14: 15,405,888 km (0.071 R)
• M15: 18,089,375 km (0.089 R)
• M16: 19,584,007 km (0.108 R)
• M17: 21,069,364 km (0.096 R)
• M18: 21,429,446 km (0.035 R)
• M19: 22,722,421 km (0.069 R)
• M20: 23,292,089 km (0.081 R)
• M21: 24,164,544 km (0.085 R)
• M22: 25,260,049 km (0.116 R)
• M23: 25,666,656 km (0.037 R)
• M24: 29,861,680 km (0.109 R)
• M25: 30,316,158 km (0.115 R)
• M26: 30,775,274 km (0.104 R)
• M27: 48,347,040 km (0.099 R)
• M28: 50,403,562 km (0.118 R)
• M29: 58,857,337 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 15,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit