🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650

Radius: 15

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.88 AU - 0.9 AU

Year: 542 Days

Day: 14.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,117,092 km

• M1: 186,549 km (0.103 R)
• M2: 655,388 km (0.112 R)
• M3: 1,174,343 km (0.084 R)
• M4: 1,646,474 km (0.086 R)
• M5: 2,133,266 km (0.094 R)
• M6: 2,780,875 km (0.118 R)
• M7: 3,311,798 km (0.065 R)
• M8: 3,964,942 km (0.102 R)
• M9: 4,626,913 km (0.096 R)
• M10: 5,514,626 km (0.05 R)
• M11: 6,552,088 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 8.3

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.88 AU - 1.44 AU

Year: 807 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,117,092 km

• M1: 103,671 km (0.088 R)
• M2: 363,822 km (0.106 R)
• M3: 741,108 km (0.066 R)
• M4: 1,809,685 km (0.11 R)
• M5: 2,136,706 km (0.112 R)
• M6: 2,525,810 km (0.075 R)
• M7: 3,475,308 km (0.081 R)
• M8: 4,289,569 km (0.1 R)
• M9: 4,875,245 km (0.113 R)
• M10: 5,731,244 km (0.074 R)
• M11: 6,269,497 km (0.089 R)
• M12: 7,375,175 km (0.084 R)
• M13: 8,266,629 km (0.032 R)
• M14: 8,818,944 km (0.042 R)
• M15: 9,117,841 km (0.101 R)
• M16: 9,536,415 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.8

Radius: 11.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.83 AU - 3.07 AU

Year: 3272 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,117,092 km

• M1: 146,756 km (0.098 R)
• M2: 584,928 km (0.092 R)
• M3: 1,040,603 km (0.107 R)
• M4: 1,510,041 km (0.068 R)
• M5: 1,962,425 km (0.115 R)
• M6: 2,547,801 km (0.094 R)
• M7: 3,196,607 km (0.098 R)
• M8: 3,952,974 km (0.05 R)
• M9: 4,715,026 km (0.064 R)
• M10: 5,166,213 km (0.047 R)
• M11: 5,770,887 km (0.119 R)
• M12: 8,607,712 km (0.067 R)
• M13: 9,706,957 km (0.082 R)
• M14: 10,365,337 km (0.063 R)
• M15: 10,859,010 km (0.056 R)
• M16: 11,852,789 km (0.099 R)
• M17: 12,993,024 km (0.041 R)
• M18: 13,433,440 km (0.103 R)
• M19: 14,719,832 km (0.116 R)
• M20: 18,624,187 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 14.6

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.05 AU - 5.93 AU

Year: 7197 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,117,092 km

• M1: 182,210 km (0.103 R)
• M2: 711,188 km (0.061 R)
• M3: 1,389,166 km (0.067 R)
• M4: 2,224,520 km (0.107 R)
• M5: 2,690,219 km (0.055 R)
• M6: 3,654,377 km (0.105 R)
• M7: 4,499,904 km (0.032 R)
• M8: 5,133,750 km (0.068 R)
• M9: 5,663,925 km (0.077 R)
• M10: 6,127,978 km (0.061 R)
• M11: 7,020,329 km (0.114 R)
• M12: 7,875,879 km (0.079 R)
• M13: 8,975,423 km (0.116 R)
• M14: 11,531,602 km (0.099 R)
• M15: 12,280,938 km (0.081 R)
• M16: 13,349,516 km (0.059 R)
• M17: 14,787,002 km (0.09 R)
• M18: 17,339,889 km (0.079 R)
• M19: 17,897,889 km (0.099 R)
• M20: 20,327,209 km (0.06 R)
• M21: 29,415,729 km (0.111 R)
• M22: 30,411,153 km (0.064 R)
• M23: 31,326,093 km (0.093 R)
• M24: 33,639,924 km (0.1 R)
• M25: 34,838,651 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.9

Radius: 6.5

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.95 AU - 11.63 AU

Year: 19778 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,117,092 km

• M1: 81,980 km (0.117 R)
• M2: 435,479 km (0.117 R)
• M3: 788,830 km (0.11 R)
• M4: 1,041,201 km (0.1 R)
• M5: 1,360,443 km (0.054 R)
• M6: 1,652,458 km (0.103 R)
• M7: 2,142,242 km (0.106 R)
• M8: 2,940,496 km (0.089 R)
• M9: 4,759,007 km (0.071 R)
• M10: 4,977,720 km (0.09 R)
• M11: 6,472,651 km (0.109 R)
• M12: 9,265,943 km (0.091 R)
• M13: 16,078,181 km (0.097 R)
• M14: 21,229,883 km (0.061 R)
• M15: 23,046,599 km (0.036 R)
• M16: 32,794,247 km (0.079 R)
• M17: 33,702,904 km (0.094 R)
• M18: 36,047,851 km (0.108 R)
• M19: 37,015,450 km (0.041 R)
• M20: 37,260,042 km (0.035 R)
• M21: 43,731,497 km (0.104 R)
• M22: 47,519,016 km (0.092 R)
• M23: 49,418,310 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149

Radius: 7.4

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.84 AU - 10.04 AU

Year: 20235 Days

Day: 17.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,117,092 km

• M1: 95,743 km (0.091 R)
• M2: 449,242 km (0.102 R)
• M3: 696,976 km (0.111 R)
• M4: 1,530,536 km (0.041 R)
• M5: 1,900,940 km (0.112 R)
• M6: 2,480,482 km (0.083 R)
• M7: 3,828,509 km (0.083 R)
• M8: 4,719,663 km (0.102 R)
• M9: 4,962,610 km (0.118 R)
• M10: 5,245,949 km (0.111 R)
• M11: 5,640,588 km (0.061 R)
• M12: 8,887,609 km (0.066 R)
• M13: 9,306,334 km (0.116 R)
• M14: 12,615,289 km (0.08 R)
• M15: 12,966,395 km (0.11 R)
• M16: 13,872,809 km (0.057 R)
• M17: 14,121,441 km (0.091 R)
• M18: 15,277,533 km (0.11 R)
• M19: 17,558,751 km (0.106 R)
• M20: 22,526,597 km (0.109 R)
• M21: 25,099,232 km (0.103 R)
• M22: 28,657,567 km (0.076 R)
• M23: 30,714,238 km (0.11 R)
• M24: 31,671,216 km (0.041 R)
• M25: 32,429,078 km (0.063 R)
• M26: 35,119,297 km (0.079 R)
• M27: 36,993,309 km (0.062 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 19,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit