🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 14.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.86 AU - 0.88 AU

Year: 560 Days

Day: 12.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,321,704 km

• M1: 185,352 km (0.119 R)
• M2: 690,394 km (0.097 R)
• M3: 1,170,454 km (0.088 R)
• M4: 1,930,411 km (0.107 R)
• M5: 2,815,432 km (0.082 R)
• M6: 3,585,113 km (0.112 R)
• M7: 4,238,706 km (0.064 R)
• M8: 5,148,261 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 12.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.32 AU - 1.4 AU

Year: 1095 Days

Day: 14.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,321,704 km

• M1: 150,645 km (0.06 R)
• M2: 712,834 km (0.046 R)
• M3: 1,597,556 km (0.047 R)
• M4: 2,038,271 km (0.106 R)
• M5: 2,478,837 km (0.091 R)
• M6: 3,212,165 km (0.073 R)
• M7: 3,630,441 km (0.102 R)
• M8: 4,490,180 km (0.118 R)
• M9: 5,303,095 km (0.089 R)
• M10: 5,683,373 km (0.098 R)
• M11: 6,211,603 km (0.06 R)
• M12: 6,865,345 km (0.078 R)
• M13: 7,342,413 km (0.119 R)
• M14: 8,770,175 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.1

Radius: 8.5

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.71 AU - 3.53 AU

Year: 3804 Days

Day: 6.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,321,704 km

• M1: 108,010 km (0.104 R)
• M2: 396,883 km (0.08 R)
• M3: 704,606 km (0.08 R)
• M4: 1,137,692 km (0.043 R)
• M5: 1,402,779 km (0.065 R)
• M6: 2,306,201 km (0.107 R)
• M7: 2,913,269 km (0.037 R)
• M8: 4,093,746 km (0.119 R)
• M9: 4,363,919 km (0.049 R)
• M10: 4,791,470 km (0.106 R)
• M11: 5,113,704 km (0.037 R)
• M12: 5,995,583 km (0.113 R)
• M13: 6,524,711 km (0.117 R)
• M14: 11,212,660 km (0.053 R)
• M15: 12,411,238 km (0.093 R)
• M16: 14,699,936 km (0.1 R)
• M17: 14,970,409 km (0.082 R)

Asteroid Belt

Center: 3.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.7

Radius: 11.3

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.88 AU - 4.6 AU

Year: 4993 Days

Day: 13.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,321,704 km

• M1: 146,756 km (0.109 R)
• M2: 1,175,989 km (0.051 R)
• M3: 2,324,153 km (0.111 R)
• M4: 3,164,893 km (0.107 R)
• M5: 3,553,847 km (0.072 R)
• M6: 4,312,159 km (0.088 R)
• M7: 5,254,476 km (0.115 R)
• M8: 5,606,629 km (0.061 R)
• M9: 6,238,979 km (0.069 R)
• M10: 6,759,729 km (0.108 R)
• M11: 7,243,080 km (0.108 R)
• M12: 7,646,246 km (0.092 R)
• M13: 8,645,859 km (0.114 R)
• M14: 9,851,768 km (0.119 R)
• M15: 13,528,883 km (0.115 R)
• M16: 15,423,840 km (0.077 R)
• M17: 15,867,846 km (0.077 R)
• M18: 16,492,268 km (0.106 R)
• M19: 16,956,769 km (0.074 R)
• M20: 20,389,591 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.7

Radius: 4.5

Gravity: 47.84 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.05 AU - 7.91 AU

Year: 14121 Days

Day: 16 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,321,704 km

• M1: 73,752 km (0.112 R)
• M2: 349,012 km (0.059 R)
• M3: 527,482 km (0.118 R)
• M4: 879,187 km (0.086 R)
• M5: 2,378,756 km (0.118 R)
• M6: 2,932,268 km (0.12 R)
• M7: 4,289,719 km (0.117 R)
• M8: 4,451,733 km (0.05 R)
• M9: 4,719,364 km (0.064 R)
• M10: 5,473,188 km (0.113 R)
• M11: 6,099,255 km (0.09 R)
• M12: 6,304,353 km (0.115 R)
• M13: 7,727,628 km (0.081 R)
• M14: 9,460,569 km (0.077 R)
• M15: 11,190,968 km (0.054 R)
• M16: 12,066,415 km (0.075 R)
• M17: 14,094,214 km (0.063 R)
• M18: 17,217,668 km (0.105 R)
• M19: 29,060,284 km (0.094 R)
• M20: 31,796,429 km (0.109 R)
• M21: 48,078,362 km (0.114 R)
• M22: 48,890,529 km (0.05 R)
• M23: 54,130,643 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.1

Radius: 5.5

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.86 AU - 11.44 AU

Year: 19105 Days

Day: 16.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,321,704 km

• M1: 68,965 km (0.06 R)
• M2: 462,407 km (0.114 R)
• M3: 682,316 km (0.119 R)
• M4: 1,216,979 km (0.103 R)
• M5: 1,597,107 km (0.094 R)
• M6: 2,229,906 km (0.085 R)
• M7: 3,272,453 km (0.102 R)
• M8: 3,542,178 km (0.106 R)
• M9: 3,797,692 km (0.099 R)
• M10: 5,373,705 km (0.114 R)
• M11: 6,681,490 km (0.057 R)
• M12: 7,250,560 km (0.109 R)
• M13: 11,180,047 km (0.096 R)
• M14: 17,360,683 km (0.093 R)
• M15: 20,345,909 km (0.107 R)
• M16: 35,837,367 km (0.116 R)
• M17: 42,805,636 km (0.087 R)
• M18: 49,476,953 km (0.119 R)
• M19: 53,829,203 km (0.108 R)
• M20: 62,142,207 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.5

Radius: 6.5

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.87 AU - 10.01 AU

Year: 20020 Days

Day: 17.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,321,704 km

• M1: 101,427 km (0.03 R)
• M2: 330,611 km (0.064 R)
• M3: 603,777 km (0.102 R)
• M4: 980,016 km (0.109 R)
• M5: 1,325,288 km (0.108 R)
• M6: 1,566,439 km (0.046 R)
• M7: 1,964,968 km (0.049 R)
• M8: 2,218,985 km (0.04 R)
• M9: 2,722,232 km (0.069 R)
• M10: 3,038,931 km (0.111 R)
• M11: 3,434,618 km (0.111 R)
• M12: 4,969,940 km (0.114 R)
• M13: 5,258,216 km (0.093 R)
• M14: 8,631,498 km (0.092 R)
• M15: 9,922,827 km (0.099 R)
• M16: 10,733,049 km (0.111 R)
• M17: 13,566,133 km (0.093 R)
• M18: 16,226,582 km (0.098 R)
• M19: 22,067,631 km (0.12 R)
• M20: 23,846,948 km (0.058 R)
• M21: 24,460,598 km (0.045 R)
• M22: 25,826,427 km (0.096 R)
• M23: 26,911,161 km (0.098 R)
• M24: 30,946,713 km (0.034 R)
• M25: 33,935,679 km (0.09 R)
• M26: 34,711,942 km (0.075 R)
• M27: 38,074,154 km (0.053 R)
• M28: 39,053,123 km (0.073 R)
• M29: 41,061,025 km (0.075 R)
• M30: 43,287,789 km (0.107 R)
• M31: 45,281,630 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.5

Radius: 7.5

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.78 AU - 10.38 AU

Year: 20467 Days

Day: 23 Hours

Environment

Temp: -241 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,321,704 km

• M1: 120,127 km (0.066 R)
• M2: 437,424 km (0.078 R)
• M3: 780,003 km (0.076 R)
• M4: 1,268,740 km (0.092 R)
• M5: 2,604,798 km (0.108 R)
• M6: 3,050,001 km (0.117 R)
• M7: 5,627,124 km (0.112 R)
• M8: 8,257,952 km (0.114 R)
• M9: 9,107,369 km (0.114 R)
• M10: 10,488,905 km (0.093 R)
• M11: 11,742,685 km (0.112 R)
• M12: 13,806,238 km (0.047 R)
• M13: 16,669,840 km (0.103 R)
• M14: 18,814,475 km (0.091 R)
• M15: 20,752,815 km (0.101 R)
• M16: 27,706,722 km (0.073 R)
• M17: 28,999,098 km (0.111 R)
• M18: 29,599,584 km (0.099 R)
• M19: 31,325,196 km (0.114 R)
• M20: 35,110,919 km (0.12 R)
• M21: 49,631,487 km (0.055 R)
• M22: 56,038,914 km (0.078 R)
• M23: 58,672,734 km (0.096 R)
• M24: 63,176,976 km (0.09 R)
• M25: 70,249,365 km (0.071 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 10,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit