🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745

Radius: 14.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.11 AU - 1.23 AU

Year: 817 Days

Day: 11.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,095,171 km

• M1: 182,809 km (0.116 R)
• M2: 658,829 km (0.112 R)
• M3: 1,227,301 km (0.107 R)
• M4: 2,080,308 km (0.098 R)
• M5: 2,579,366 km (0.087 R)
• M6: 3,211,268 km (0.08 R)
• M7: 3,708,082 km (0.076 R)
• M8: 4,272,515 km (0.065 R)
• M9: 4,806,879 km (0.094 R)
• M10: 5,810,531 km (0.116 R)
• M11: 7,431,424 km (0.062 R)
• M12: 7,910,735 km (0.077 R)
• M13: 8,513,316 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.5

Radius: 14.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1 AU - 1.62 AU

Year: 968 Days

Day: 12.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,095,171 km

• M1: 179,069 km (0.117 R)
• M2: 789,129 km (0.075 R)
• M3: 1,257,221 km (0.104 R)
• M4: 1,705,715 km (0.061 R)
• M5: 2,640,103 km (0.1 R)
• M6: 4,226,589 km (0.055 R)
• M7: 5,170,701 km (0.065 R)
• M8: 5,653,453 km (0.047 R)
• M9: 6,936,853 km (0.116 R)
• M10: 9,496,174 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 10.4

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.32 AU - 1.74 AU

Year: 1222 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,095,171 km

• M1: 129,402 km (0.111 R)
• M2: 456,573 km (0.075 R)
• M3: 1,008,888 km (0.028 R)
• M4: 1,359,246 km (0.082 R)
• M5: 1,762,413 km (0.088 R)
• M6: 2,256,983 km (0.12 R)
• M7: 2,706,973 km (0.104 R)
• M8: 3,590,947 km (0.066 R)
• M9: 4,262,043 km (0.075 R)
• M10: 5,179,527 km (0.078 R)
• M11: 5,674,247 km (0.07 R)
• M12: 6,153,110 km (0.067 R)
• M13: 7,011,203 km (0.103 R)
• M14: 8,518,402 km (0.031 R)
• M15: 9,239,613 km (0.102 R)
• M16: 11,469,370 km (0.06 R)
• M17: 11,940,304 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.7

Radius: 14.8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.42 AU - 2.3 AU

Year: 1638 Days

Day: 12.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,095,171 km

• M1: 184,155 km (0.101 R)
• M2: 690,993 km (0.081 R)
• M3: 1,155,195 km (0.084 R)
• M4: 1,966,015 km (0.105 R)
• M5: 2,521,173 km (0.089 R)
• M6: 3,849,602 km (0.073 R)
• M7: 4,365,415 km (0.028 R)
• M8: 5,949,059 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 8

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.98 AU - 2 AU

Year: 1813 Days

Day: 7.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 55 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,095,171 km

• M1: 99,483 km (0.116 R)
• M2: 351,555 km (0.092 R)
• M3: 653,144 km (0.069 R)
• M4: 912,697 km (0.094 R)
• M5: 1,182,571 km (0.106 R)
• M6: 1,719,029 km (0.117 R)
• M7: 2,728,815 km (0.111 R)
• M8: 3,377,471 km (0.102 R)
• M9: 3,763,434 km (0.117 R)
• M10: 4,759,456 km (0.102 R)
• M11: 5,631,163 km (0.079 R)
• M12: 6,605,344 km (0.082 R)
• M13: 8,385,409 km (0.116 R)
• M14: 9,003,697 km (0.109 R)
• M15: 9,277,761 km (0.114 R)
• M16: 9,747,049 km (0.108 R)
• M17: 10,133,760 km (0.12 R)
• M18: 10,397,202 km (0.103 R)
• M19: 11,006,813 km (0.064 R)
• M20: 11,426,285 km (0.05 R)
• M21: 12,297,244 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.3

Radius: 15

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.42 AU - 3.78 AU

Year: 3524 Days

Day: 14.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,095,171 km

• M1: 187,446 km (0.079 R)
• M2: 1,344,885 km (0.116 R)
• M3: 3,632,685 km (0.112 R)
• M4: 4,124,264 km (0.094 R)
• M5: 7,262,977 km (0.097 R)
• M6: 8,732,177 km (0.083 R)
• M7: 14,284,053 km (0.098 R)
• M8: 15,804,865 km (0.093 R)
• M9: 16,579,932 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 11.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.91 AU - 4.15 AU

Year: 5224 Days

Day: 6.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,095,171 km

• M1: 145,110 km (0.089 R)
• M2: 589,864 km (0.118 R)
• M3: 1,079,199 km (0.091 R)
• M4: 1,495,829 km (0.07 R)
• M5: 2,075,521 km (0.079 R)
• M6: 2,442,335 km (0.114 R)
• M7: 2,870,185 km (0.07 R)
• M8: 3,545,769 km (0.073 R)
• M9: 4,119,776 km (0.085 R)
• M10: 6,192,005 km (0.068 R)
• M11: 6,835,127 km (0.12 R)
• M12: 7,522,230 km (0.112 R)
• M13: 8,694,479 km (0.076 R)
• M14: 9,383,377 km (0.114 R)
• M15: 10,611,875 km (0.06 R)
• M16: 11,176,457 km (0.085 R)
• M17: 14,779,970 km (0.118 R)
• M18: 15,985,280 km (0.097 R)
• M19: 17,612,905 km (0.055 R)
• M20: 18,097,453 km (0.105 R)
• M21: 18,967,065 km (0.073 R)
• M22: 21,536,409 km (0.059 R)
• M23: 23,518,580 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.3

Radius: 11.1

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.8 AU - 5.82 AU

Year: 6811 Days

Day: 14.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,095,171 km

• M1: 138,378 km (0.113 R)
• M2: 579,991 km (0.117 R)
• M3: 1,416,393 km (0.105 R)
• M4: 1,974,542 km (0.058 R)
• M5: 2,764,120 km (0.119 R)
• M6: 5,237,122 km (0.111 R)
• M7: 5,752,786 km (0.106 R)
• M8: 6,814,333 km (0.085 R)
• M9: 7,328,949 km (0.105 R)
• M10: 8,271,416 km (0.034 R)
• M11: 11,313,788 km (0.047 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.3

Radius: 9.9

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.23 AU - 5.53 AU

Year: 8057 Days

Day: 7.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,095,171 km

• M1: 123,119 km (0.118 R)
• M2: 541,245 km (0.097 R)
• M3: 1,194,689 km (0.115 R)
• M4: 1,514,379 km (0.117 R)
• M5: 2,070,285 km (0.098 R)
• M6: 3,468,576 km (0.118 R)
• M7: 3,998,601 km (0.102 R)
• M8: 5,032,323 km (0.099 R)
• M9: 5,479,321 km (0.062 R)
• M10: 6,199,336 km (0.094 R)
• M11: 7,216,452 km (0.096 R)
• M12: 8,253,913 km (0.04 R)
• M13: 9,340,741 km (0.049 R)
• M14: 9,869,570 km (0.117 R)
• M15: 11,199,345 km (0.104 R)
• M16: 12,586,866 km (0.086 R)
• M17: 13,352,208 km (0.098 R)
• M18: 14,148,219 km (0.091 R)
• M19: 15,302,217 km (0.11 R)
• M20: 18,534,877 km (0.069 R)
• M21: 20,072,743 km (0.074 R)
• M22: 22,536,321 km (0.086 R)
• M23: 24,647,296 km (0.105 R)
• M24: 29,258,501 km (0.073 R)
• M25: 30,390,957 km (0.071 R)
• M26: 30,809,831 km (0.111 R)
• M27: 33,515,907 km (0.076 R)
• M28: 33,963,205 km (0.116 R)
• M29: 34,527,787 km (0.077 R)
• M30: 36,142,098 km (0.111 R)
• M31: 38,290,772 km (0.097 R)
• M32: 38,902,328 km (0.044 R)
• M33: 42,448,695 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.7

Radius: 6.8

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.27 AU - 7.79 AU

Year: 12035 Days

Day: 15.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,095,171 km

• M1: 84,523 km (0.105 R)
• M2: 1,292,974 km (0.12 R)
• M3: 1,745,358 km (0.092 R)
• M4: 2,058,018 km (0.066 R)
• M5: 2,857,918 km (0.059 R)
• M6: 3,624,906 km (0.109 R)
• M7: 4,521,596 km (0.107 R)
• M8: 5,925,272 km (0.041 R)
• M9: 7,085,404 km (0.035 R)
• M10: 8,783,938 km (0.105 R)
• M11: 9,236,173 km (0.1 R)
• M12: 9,514,873 km (0.101 R)
• M13: 10,089,180 km (0.034 R)
• M14: 15,284,265 km (0.06 R)
• M15: 18,012,780 km (0.051 R)
• M16: 18,890,770 km (0.098 R)
• M17: 19,340,312 km (0.073 R)
• M18: 21,371,103 km (0.077 R)
• M19: 22,942,180 km (0.112 R)
• M20: 24,323,567 km (0.055 R)
• M21: 25,034,755 km (0.056 R)
• M22: 27,537,228 km (0.105 R)
• M23: 29,295,302 km (0.056 R)
• M24: 29,998,711 km (0.061 R)
• M25: 30,610,567 km (0.106 R)
• M26: 34,015,115 km (0.109 R)
• M27: 35,241,518 km (0.044 R)
• M28: 36,381,604 km (0.046 R)
• M29: 40,565,856 km (0.12 R)
• M30: 42,453,183 km (0.065 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 10,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit