🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.8

Radius: 8.5

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.49 AU - 0.53 AU

Year: 243 Days

Day: 8.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,328,258 km

• M1: 105,766 km (0.064 R)
• M2: 386,411 km (0.077 R)
• M3: 746,793 km (0.077 R)
• M4: 1,227,002 km (0.105 R)
• M5: 1,603,839 km (0.083 R)
• M6: 1,923,380 km (0.103 R)
• M7: 2,196,845 km (0.109 R)
• M8: 2,470,310 km (0.109 R)
• M9: 2,842,060 km (0.097 R)
• M10: 3,356,378 km (0.082 R)
• M11: 3,767,473 km (0.112 R)
• M12: 4,199,212 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 10.9

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.53 AU - 0.55 AU

Year: 265 Days

Day: 10.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 91,328,258 km

• M1: 135,835 km (0.027 R)
• M2: 480,359 km (0.092 R)
• M3: 981,063 km (0.101 R)
• M4: 1,505,254 km (0.12 R)
• M5: 1,972,897 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.2

Radius: 13.6

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.59 AU - 0.61 AU

Year: 310 Days

Day: 7 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 91,328,258 km

• M1: 169,195 km (0.082 R)
• M2: 637,586 km (0.09 R)
• M3: 2,215,395 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.5

Radius: 12.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.57 AU - 0.87 AU

Year: 407 Days

Day: 5.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,328,258 km

• M1: 155,432 km (0.105 R)
• M2: 566,976 km (0.092 R)
• M3: 977,921 km (0.053 R)
• M4: 1,402,480 km (0.048 R)
• M5: 1,828,834 km (0.112 R)
• M6: 2,218,536 km (0.085 R)
• M7: 2,744,672 km (0.073 R)
• M8: 3,678,163 km (0.119 R)
• M9: 4,448,592 km (0.073 R)
• M10: 5,502,359 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.7

Radius: 8.1

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.94 AU - 1.02 AU

Year: 647 Days

Day: 7.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 156.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,328,258 km

• M1: 103,073 km (0.103 R)
• M2: 384,167 km (0.077 R)
• M3: 1,032,076 km (0.085 R)
• M4: 1,568,534 km (0.079 R)
• M5: 1,853,966 km (0.082 R)
• M6: 2,192,955 km (0.103 R)
• M7: 2,489,458 km (0.092 R)
• M8: 3,287,712 km (0.09 R)
• M9: 3,597,530 km (0.089 R)
• M10: 4,489,582 km (0.066 R)
• M11: 4,987,593 km (0.065 R)
• M12: 5,241,461 km (0.117 R)
• M13: 5,867,677 km (0.073 R)
• M14: 6,286,252 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.1

Radius: 12.1

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.93 AU - 1.25 AU

Year: 759 Days

Day: 7.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,328,258 km

• M1: 150,645 km (0.093 R)
• M2: 538,852 km (0.078 R)
• M3: 967,001 km (0.08 R)
• M4: 1,504,207 km (0.113 R)
• M5: 2,160,492 km (0.114 R)
• M6: 2,561,415 km (0.079 R)
• M7: 2,988,517 km (0.109 R)
• M8: 4,003,089 km (0.076 R)
• M9: 4,598,339 km (0.097 R)
• M10: 5,322,393 km (0.097 R)
• M11: 6,179,589 km (0.064 R)
• M12: 6,580,212 km (0.047 R)
• M13: 7,019,282 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.6

Radius: 10

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.95 AU - 4.95 AU

Year: 6260 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,328,258 km

• M1: 143,464 km (0.084 R)
• M2: 517,309 km (0.106 R)
• M3: 2,431,863 km (0.098 R)
• M4: 2,771,301 km (0.112 R)
• M5: 3,718,405 km (0.109 R)
• M6: 4,441,411 km (0.095 R)
• M7: 6,440,787 km (0.065 R)
• M8: 8,207,238 km (0.101 R)
• M9: 9,529,235 km (0.081 R)
• M10: 11,171,071 km (0.119 R)
• M11: 12,952,932 km (0.086 R)
• M12: 14,126,078 km (0.107 R)
• M13: 14,649,970 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.3

Radius: 7.1

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.92 AU - 8.4 AU

Year: 12776 Days

Day: 20.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,328,258 km

• M1: 91,554 km (0.079 R)
• M2: 434,432 km (0.105 R)
• M3: 689,197 km (0.107 R)
• M4: 1,599,949 km (0.095 R)
• M5: 2,568,296 km (0.026 R)
• M6: 3,124,950 km (0.114 R)
• M7: 3,687,438 km (0.07 R)
• M8: 4,236,313 km (0.057 R)
• M9: 5,622,038 km (0.107 R)
• M10: 8,108,504 km (0.05 R)
• M11: 11,759,889 km (0.11 R)
• M12: 12,181,755 km (0.057 R)
• M13: 13,565,236 km (0.097 R)
• M14: 14,503,813 km (0.087 R)
• M15: 14,866,737 km (0.041 R)
• M16: 16,379,172 km (0.074 R)
• M17: 16,640,818 km (0.09 R)
• M18: 16,905,307 km (0.079 R)
• M19: 18,622,392 km (0.114 R)
• M20: 19,780,578 km (0.106 R)
• M21: 22,965,966 km (0.109 R)
• M22: 23,376,462 km (0.118 R)
• M23: 25,415,182 km (0.088 R)
• M24: 38,549,726 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.1

Radius: 5.9

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.1 AU - 7.34 AU

Year: 12937 Days

Day: 22.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,328,258 km

• M1: 122,371 km (0.091 R)
• M2: 341,981 km (0.118 R)
• M3: 1,128,118 km (0.101 R)
• M4: 1,321,099 km (0.117 R)
• M5: 2,006,257 km (0.097 R)
• M6: 2,529,251 km (0.094 R)
• M7: 3,968,981 km (0.109 R)
• M8: 5,270,782 km (0.102 R)
• M9: 8,048,066 km (0.06 R)
• M10: 8,815,055 km (0.091 R)
• M11: 11,046,606 km (0.052 R)
• M12: 11,252,303 km (0.081 R)
• M13: 12,485,438 km (0.088 R)
• M14: 33,655,631 km (0.073 R)
• M15: 36,649,683 km (0.116 R)
• M16: 40,544,314 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.6

Radius: 7.9

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.59 AU - 10.61 AU

Year: 23014 Days

Day: 16 Hours

Environment

Temp: -233 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,328,258 km

• M1: 197,918 km (0.097 R)
• M2: 1,179,579 km (0.095 R)
• M3: 1,874,013 km (0.119 R)
• M4: 2,369,630 km (0.102 R)
• M5: 2,737,940 km (0.034 R)
• M6: 3,115,824 km (0.086 R)
• M7: 4,077,140 km (0.045 R)
• M8: 5,385,972 km (0.11 R)
• M9: 5,678,137 km (0.05 R)
• M10: 9,330,270 km (0.092 R)
• M11: 14,623,940 km (0.099 R)
• M12: 14,947,819 km (0.11 R)
• M13: 33,166,147 km (0.079 R)
• M14: 36,174,860 km (0.082 R)
• M15: 37,367,454 km (0.109 R)
• M16: 42,236,416 km (0.109 R)
• M17: 66,826,865 km (0.091 R)
• M18: 73,954,156 km (0.119 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 15,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit