🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 11.5

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.56 AU - 0.74 AU

Year: 362 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,125,234 km

• M1: 143,016 km (0.07 R)
• M2: 571,165 km (0.109 R)
• M3: 958,174 km (0.077 R)
• M4: 1,357,152 km (0.116 R)
• M5: 2,405,384 km (0.059 R)
• M6: 2,801,519 km (0.112 R)
• M7: 3,616,529 km (0.115 R)
• M8: 4,261,445 km (0.075 R)
• M9: 4,728,041 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.8

Radius: 11.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.76 AU - 1 AU

Year: 570 Days

Day: 8.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,125,234 km

• M1: 145,559 km (0.086 R)
• M2: 567,425 km (0.115 R)
• M3: 1,002,755 km (0.109 R)
• M4: 1,460,823 km (0.083 R)
• M5: 2,079,710 km (0.11 R)
• M6: 2,488,112 km (0.089 R)
• M7: 3,129,438 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.6

Radius: 9.5

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.52 AU - 2.9 AU

Year: 3079 Days

Day: 7.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,125,234 km

• M1: 118,182 km (0.114 R)
• M2: 471,233 km (0.114 R)
• M3: 832,961 km (0.113 R)
• M4: 1,324,091 km (0.095 R)
• M5: 1,898,547 km (0.058 R)
• M6: 2,344,049 km (0.046 R)
• M7: 2,662,992 km (0.119 R)
• M8: 3,115,974 km (0.072 R)
• M9: 3,541,879 km (0.097 R)
• M10: 4,533,863 km (0.082 R)
• M11: 5,594,512 km (0.114 R)
• M12: 7,245,174 km (0.093 R)
• M13: 8,511,969 km (0.088 R)
• M14: 8,868,611 km (0.108 R)
• M15: 11,222,383 km (0.08 R)
• M16: 11,695,113 km (0.107 R)
• M17: 12,361,272 km (0.087 R)
• M18: 14,062,798 km (0.059 R)
• M19: 15,280,675 km (0.111 R)
• M20: 15,968,974 km (0.101 R)
• M21: 20,413,228 km (0.034 R)
• M22: 20,924,404 km (0.118 R)
• M23: 21,905,616 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.1

Radius: 10.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.91 AU - 4.57 AU

Year: 6026 Days

Day: 13.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,125,234 km

• M1: 126,111 km (0.034 R)
• M2: 722,408 km (0.104 R)
• M3: 1,469,051 km (0.102 R)
• M4: 1,822,252 km (0.053 R)
• M5: 3,041,774 km (0.09 R)
• M6: 5,551,128 km (0.111 R)
• M7: 6,486,414 km (0.09 R)
• M8: 6,820,616 km (0.073 R)
• M9: 9,365,425 km (0.105 R)
• M10: 10,233,841 km (0.112 R)
• M11: 10,966,422 km (0.11 R)
• M12: 11,782,777 km (0.101 R)
• M13: 12,742,597 km (0.047 R)
• M14: 16,545,076 km (0.071 R)
• M15: 20,826,716 km (0.104 R)
• M16: 25,134,387 km (0.071 R)
• M17: 30,186,307 km (0.108 R)
• M18: 30,838,404 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.3

Radius: 12.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.88 AU - 4.7 AU

Year: 6133 Days

Day: 5.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,125,234 km

• M1: 160,519 km (0.081 R)
• M2: 745,297 km (0.068 R)
• M3: 1,149,061 km (0.047 R)
• M4: 1,692,251 km (0.043 R)
• M5: 2,173,807 km (0.097 R)
• M6: 2,672,267 km (0.11 R)
• M7: 3,289,358 km (0.118 R)
• M8: 4,276,106 km (0.117 R)
• M9: 6,180,187 km (0.049 R)
• M10: 8,148,746 km (0.092 R)
• M11: 11,534,445 km (0.115 R)
• M12: 13,229,987 km (0.12 R)
• M13: 15,086,048 km (0.117 R)
• M14: 16,913,086 km (0.108 R)
• M15: 21,078,340 km (0.096 R)
• M16: 23,765,716 km (0.109 R)
• M17: 24,682,153 km (0.041 R)
• M18: 27,482,026 km (0.087 R)
• M19: 29,525,683 km (0.096 R)
• M20: 31,074,320 km (0.115 R)
• M21: 33,601,477 km (0.071 R)
• M22: 36,591,340 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.5

Radius: 6.4

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.58 AU - 8.62 AU

Year: 13059 Days

Day: 15.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,125,234 km

• M1: 79,586 km (0.089 R)
• M2: 344,225 km (0.082 R)
• M3: 859,290 km (0.083 R)
• M4: 1,313,469 km (0.079 R)
• M5: 2,124,439 km (0.083 R)
• M6: 2,524,763 km (0.106 R)
• M7: 2,796,882 km (0.114 R)
• M8: 2,996,745 km (0.099 R)
• M9: 5,386,870 km (0.034 R)
• M10: 7,061,917 km (0.043 R)
• M11: 9,546,439 km (0.1 R)
• M12: 10,956,398 km (0.089 R)
• M13: 12,619,628 km (0.109 R)
• M14: 16,295,098 km (0.11 R)
• M15: 19,479,288 km (0.082 R)
• M16: 22,430,854 km (0.075 R)
• M17: 26,449,053 km (0.088 R)
• M18: 29,733,026 km (0.116 R)
• M19: 30,486,101 km (0.035 R)
• M20: 35,632,866 km (0.11 R)
• M21: 36,238,139 km (0.061 R)
• M22: 37,345,014 km (0.099 R)
• M23: 37,718,859 km (0.044 R)
• M24: 38,855,504 km (0.107 R)
• M25: 47,605,184 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.1

Radius: 3.1

Gravity: 17.18 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.68 AU - 10.3 AU

Year: 18606 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,125,234 km

• M1: 38,596 km (0.103 R)
• M2: 137,630 km (0.102 R)
• M3: 906,413 km (0.107 R)
• M4: 1,149,660 km (0.091 R)
• M5: 2,359,607 km (0.112 R)
• M6: 3,100,715 km (0.11 R)
• M7: 3,307,908 km (0.075 R)
• M8: 3,931,881 km (0.064 R)
• M9: 6,827,198 km (0.117 R)
• M10: 7,417,810 km (0.058 R)
• M11: 8,520,796 km (0.061 R)
• M12: 8,744,744 km (0.071 R)
• M13: 10,272,437 km (0.106 R)
• M14: 12,249,822 km (0.086 R)
• M15: 13,538,308 km (0.088 R)
• M16: 17,362,628 km (0.072 R)
• M17: 19,908,784 km (0.075 R)
• M18: 20,144,700 km (0.042 R)
• M19: 21,516,961 km (0.102 R)
• M20: 24,716,411 km (0.112 R)
• M21: 25,632,548 km (0.084 R)
• M22: 26,857,156 km (0.084 R)
• M23: 28,218,946 km (0.097 R)
• M24: 32,579,125 km (0.12 R)
• M25: 34,690,998 km (0.051 R)
• M26: 35,838,414 km (0.116 R)
• M27: 41,827,565 km (0.082 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: 373 - 11,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit