🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.5

Radius: 9.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.65 AU - 0.91 AU

Year: 452 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,480,021 km

• M1: 123,119 km (0.119 R)
• M2: 457,769 km (0.074 R)
• M3: 856,897 km (0.091 R)
• M4: 1,177,934 km (0.091 R)
• M5: 1,683,724 km (0.109 R)
• M6: 2,133,415 km (0.069 R)
• M7: 2,482,726 km (0.099 R)
• M8: 3,133,178 km (0.114 R)
• M9: 4,283,286 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.5

Radius: 11.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.78 AU - 1.28 AU

Year: 686 Days

Day: 5.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,480,021 km

• M1: 139,425 km (0.06 R)
• M2: 610,958 km (0.067 R)
• M3: 1,623,885 km (0.12 R)
• M4: 3,013,500 km (0.077 R)
• M5: 3,701,051 km (0.115 R)
• M6: 4,609,858 km (0.096 R)
• M7: 5,272,427 km (0.119 R)
• M8: 5,818,908 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.2

Radius: 8

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.27 AU - 1.83 AU

Year: 1266 Days

Day: 7.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,480,021 km

• M1: 99,483 km (0.074 R)
• M2: 383,419 km (0.075 R)
• M3: 670,198 km (0.088 R)
• M4: 1,024,446 km (0.082 R)
• M5: 2,089,583 km (0.102 R)
• M6: 2,642,497 km (0.107 R)
• M7: 2,922,095 km (0.043 R)
• M8: 3,221,441 km (0.118 R)
• M9: 3,628,197 km (0.096 R)
• M10: 4,116,335 km (0.079 R)
• M11: 4,822,736 km (0.105 R)
• M12: 5,093,807 km (0.054 R)
• M13: 5,355,903 km (0.092 R)
• M14: 5,866,780 km (0.105 R)
• M15: 6,583,353 km (0.091 R)
• M16: 7,717,156 km (0.119 R)
• M17: 8,215,317 km (0.11 R)
• M18: 8,603,074 km (0.102 R)
• M19: 9,002,800 km (0.079 R)
• M20: 9,303,791 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.2

Radius: 13.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.89 AU - 2.49 AU

Year: 2126 Days

Day: 11.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,480,021 km

• M1: 169,195 km (0.076 R)
• M2: 617,839 km (0.114 R)
• M3: 1,130,062 km (0.095 R)
• M4: 1,846,487 km (0.032 R)
• M5: 2,271,644 km (0.078 R)
• M6: 3,620,268 km (0.058 R)
• M7: 4,145,058 km (0.082 R)
• M8: 4,576,199 km (0.112 R)
• M9: 5,611,715 km (0.093 R)
• M10: 6,589,188 km (0.065 R)
• M11: 7,351,239 km (0.103 R)
• M12: 7,934,671 km (0.082 R)
• M13: 8,494,167 km (0.094 R)
• M14: 9,514,873 km (0.083 R)
• M15: 9,994,035 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.2

Radius: 13.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.03 AU - 2.39 AU

Year: 2155 Days

Day: 12.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,480,021 km

• M1: 168,896 km (0.118 R)
• M2: 619,485 km (0.117 R)
• M3: 1,135,597 km (0.108 R)
• M4: 1,635,105 km (0.112 R)
• M5: 2,620,655 km (0.099 R)
• M6: 3,246,723 km (0.052 R)
• M7: 4,391,146 km (0.035 R)
• M8: 4,881,827 km (0.112 R)
• M9: 5,881,141 km (0.105 R)
• M10: 6,908,729 km (0.091 R)
• M11: 7,602,713 km (0.059 R)
• M12: 9,037,207 km (0.105 R)
• M13: 9,802,400 km (0.118 R)
• M14: 10,645,085 km (0.094 R)
• M15: 11,756,597 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.4

Radius: 10.1

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.35 AU - 4.61 AU

Year: 5209 Days

Day: 11.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,480,021 km

• M1: 128,205 km (0.082 R)
• M2: 479,910 km (0.077 R)
• M3: 907,012 km (0.078 R)
• M4: 1,416,393 km (0.089 R)
• M5: 1,731,895 km (0.079 R)
• M6: 2,272,691 km (0.032 R)
• M7: 2,923,142 km (0.111 R)
• M8: 3,243,431 km (0.114 R)
• M9: 3,714,366 km (0.118 R)
• M10: 4,183,953 km (0.039 R)
• M11: 4,897,086 km (0.06 R)
• M12: 5,351,714 km (0.06 R)
• M13: 6,853,976 km (0.079 R)
• M14: 7,773,405 km (0.079 R)
• M15: 8,696,124 km (0.12 R)
• M16: 10,279,169 km (0.082 R)
• M17: 10,626,236 km (0.064 R)
• M18: 11,161,647 km (0.107 R)
• M19: 13,178,076 km (0.119 R)
• M20: 14,650,419 km (0.069 R)
• M21: 14,979,684 km (0.078 R)
• M22: 15,997,248 km (0.104 R)
• M23: 16,405,202 km (0.1 R)
• M24: 19,458,195 km (0.119 R)
• M25: 20,944,749 km (0.116 R)
• M26: 22,288,138 km (0.119 R)
• M27: 23,091,778 km (0.06 R)
• M28: 24,066,258 km (0.079 R)
• M29: 25,303,133 km (0.055 R)
• M30: 27,154,407 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 9.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.21 AU - 4.29 AU

Year: 5748 Days

Day: 9.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 63.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,480,021 km

• M1: 114,592 km (0.061 R)
• M2: 667,805 km (0.075 R)
• M3: 1,867,131 km (0.065 R)
• M4: 2,328,192 km (0.118 R)
• M5: 3,518,093 km (0.066 R)
• M6: 8,439,115 km (0.085 R)
• M7: 12,090,799 km (0.12 R)
• M8: 13,446,305 km (0.069 R)
• M9: 13,936,388 km (0.086 R)
• M10: 14,693,802 km (0.06 R)
• M11: 16,735,514 km (0.102 R)
• M12: 17,649,108 km (0.084 R)
• M13: 18,296,268 km (0.11 R)
• M14: 21,772,025 km (0.097 R)
• M15: 22,175,940 km (0.102 R)
• M16: 23,347,740 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.7

Radius: 3.3

Gravity: 32.02 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.94 AU - 7.12 AU

Year: 9714 Days

Day: 17.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,480,021 km

• M1: 40,990 km (0.102 R)
• M2: 738,864 km (0.108 R)
• M3: 846,724 km (0.118 R)
• M4: 965,056 km (0.106 R)
• M5: 1,147,416 km (0.112 R)
• M6: 1,450,800 km (0.094 R)
• M7: 2,002,667 km (0.098 R)
• M8: 2,458,940 km (0.105 R)
• M9: 2,858,965 km (0.11 R)
• M10: 3,064,213 km (0.074 R)
• M11: 3,191,820 km (0.098 R)
• M12: 5,192,692 km (0.089 R)
• M13: 7,664,198 km (0.032 R)
• M14: 7,939,757 km (0.098 R)
• M15: 8,510,473 km (0.086 R)
• M16: 8,763,294 km (0.105 R)
• M17: 10,434,152 km (0.109 R)
• M18: 12,902,667 km (0.093 R)
• M19: 13,236,270 km (0.082 R)
• M20: 13,804,892 km (0.072 R)
• M21: 14,212,546 km (0.064 R)
• M22: 15,608,593 km (0.106 R)
• M23: 18,041,653 km (0.097 R)
• M24: 19,024,660 km (0.098 R)
• M25: 19,529,254 km (0.118 R)
• M26: 19,674,962 km (0.111 R)
• M27: 21,636,938 km (0.1 R)
• M28: 21,793,119 km (0.114 R)
• M29: 24,648,194 km (0.091 R)
• M30: 27,650,922 km (0.077 R)
• M31: 27,834,928 km (0.103 R)
• M32: 29,622,473 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.3

Radius: 6.9

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.15 AU - 7.27 AU

Year: 12700 Days

Day: 17.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,480,021 km

• M1: 86,019 km (0.116 R)
• M2: 630,405 km (0.082 R)
• M3: 997,818 km (0.063 R)
• M4: 1,661,584 km (0.113 R)
• M5: 2,495,292 km (0.083 R)
• M6: 3,510,613 km (0.09 R)
• M7: 3,772,260 km (0.089 R)
• M8: 4,072,353 km (0.087 R)
• M9: 4,469,835 km (0.084 R)
• M10: 5,159,331 km (0.091 R)
• M11: 6,392,915 km (0.114 R)
• M12: 7,653,427 km (0.119 R)
• M13: 8,384,063 km (0.059 R)
• M14: 9,749,742 km (0.078 R)
• M15: 11,463,086 km (0.099 R)
• M16: 12,309,362 km (0.103 R)
• M17: 13,027,132 km (0.103 R)
• M18: 13,714,235 km (0.119 R)
• M19: 15,222,631 km (0.063 R)
• M20: 16,705,295 km (0.096 R)
• M21: 18,000,513 km (0.034 R)
• M22: 20,944,001 km (0.036 R)
• M23: 22,367,574 km (0.092 R)
• M24: 22,610,970 km (0.032 R)
• M25: 23,602,056 km (0.106 R)
• M26: 26,116,497 km (0.094 R)
• M27: 29,188,789 km (0.042 R)
• M28: 33,754,815 km (0.074 R)
• M29: 36,039,773 km (0.117 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: 401 - 13,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit