🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.8

Radius: 10.4

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.79 AU - 1.13 AU

Year: 649 Days

Day: 8.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,369,549 km

• M1: 129,552 km (0.09 R)
• M2: 622,028 km (0.088 R)
• M3: 1,141,881 km (0.119 R)
• M4: 1,667,119 km (0.052 R)
• M5: 2,043,507 km (0.036 R)
• M6: 2,711,312 km (0.104 R)
• M7: 3,279,185 km (0.074 R)
• M8: 3,948,935 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.2

Radius: 9.1

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.7 AU - 4.04 AU

Year: 5255 Days

Day: 9.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,369,549 km

• M1: 113,545 km (0.087 R)
• M2: 489,484 km (0.092 R)
• M3: 1,208,751 km (0.066 R)
• M4: 1,704,369 km (0.115 R)
• M5: 2,091,079 km (0.107 R)
• M6: 2,661,047 km (0.097 R)
• M7: 4,489,881 km (0.071 R)
• M8: 5,204,211 km (0.05 R)
• M9: 7,140,456 km (0.031 R)
• M10: 8,389,000 km (0.114 R)
• M11: 9,427,508 km (0.056 R)
• M12: 12,010,615 km (0.115 R)
• M13: 12,526,279 km (0.045 R)
• M14: 13,056,603 km (0.05 R)
• M15: 13,381,978 km (0.103 R)
• M16: 15,090,984 km (0.118 R)
• M17: 16,245,730 km (0.118 R)
• M18: 18,389,767 km (0.04 R)
• M19: 19,848,496 km (0.045 R)
• M20: 21,010,423 km (0.08 R)
• M21: 22,916,000 km (0.066 R)
• M22: 24,851,198 km (0.084 R)
• M23: 26,458,478 km (0.056 R)
• M24: 29,135,681 km (0.073 R)
• M25: 31,792,689 km (0.118 R)
• M26: 32,184,935 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.9

Radius: 9.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.24 AU - 5.12 AU

Year: 5899 Days

Day: 10.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,369,549 km

• M1: 119,529 km (0.118 R)
• M2: 428,897 km (0.089 R)
• M3: 1,339,051 km (0.097 R)
• M4: 1,877,004 km (0.106 R)
• M5: 2,209,411 km (0.102 R)
• M6: 2,724,177 km (0.059 R)
• M7: 4,226,140 km (0.091 R)
• M8: 6,825,852 km (0.107 R)
• M9: 11,582,466 km (0.101 R)
• M10: 12,300,386 km (0.087 R)
• M11: 16,293,003 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.6

Radius: 7.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.85 AU - 7.15 AU

Year: 12784 Days

Day: 19.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,369,549 km

• M1: 88,263 km (0.089 R)
• M2: 356,941 km (0.11 R)
• M3: 679,922 km (0.095 R)
• M4: 1,085,482 km (0.1 R)
• M5: 1,319,902 km (0.079 R)
• M6: 1,671,756 km (0.09 R)
• M7: 2,101,551 km (0.096 R)
• M8: 2,583,555 km (0.05 R)
• M9: 2,944,236 km (0.112 R)
• M10: 3,619,969 km (0.104 R)
• M11: 3,917,519 km (0.052 R)
• M12: 4,394,587 km (0.056 R)
• M13: 4,880,032 km (0.035 R)
• M14: 5,306,236 km (0.095 R)
• M15: 6,059,911 km (0.048 R)
• M16: 8,232,820 km (0.083 R)
• M17: 8,881,326 km (0.07 R)
• M18: 11,446,481 km (0.089 R)
• M19: 13,155,786 km (0.065 R)
• M20: 13,505,397 km (0.109 R)
• M21: 14,222,868 km (0.1 R)
• M22: 14,902,641 km (0.1 R)
• M23: 19,745,573 km (0.093 R)
• M24: 20,127,047 km (0.063 R)
• M25: 21,380,677 km (0.057 R)
• M26: 22,936,046 km (0.059 R)
• M27: 27,576,273 km (0.097 R)
• M28: 28,052,892 km (0.099 R)
• M29: 29,219,307 km (0.115 R)
• M30: 30,620,590 km (0.068 R)
• M31: 35,315,719 km (0.115 R)
• M32: 35,539,817 km (0.037 R)
• M33: 36,674,816 km (0.114 R)
• M34: 41,084,512 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.1

Radius: 5.4

Gravity: 25.83 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.11 AU - 10.95 AU

Year: 20307 Days

Day: 19.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,369,549 km

• M1: 67,618 km (0.054 R)
• M2: 266,583 km (0.117 R)
• M3: 442,959 km (0.116 R)
• M4: 801,246 km (0.088 R)
• M5: 1,019,061 km (0.112 R)
• M6: 1,381,536 km (0.116 R)
• M7: 1,644,679 km (0.111 R)
• M8: 1,980,377 km (0.096 R)
• M9: 2,272,242 km (0.108 R)
• M10: 2,889,932 km (0.112 R)
• M11: 3,378,967 km (0.115 R)
• M12: 3,613,387 km (0.059 R)
• M13: 4,555,405 km (0.059 R)
• M14: 5,450,748 km (0.05 R)
• M15: 5,981,820 km (0.112 R)
• M16: 7,242,183 km (0.105 R)
• M17: 13,691,347 km (0.116 R)
• M18: 18,236,579 km (0.037 R)
• M19: 20,076,782 km (0.069 R)
• M20: 20,651,986 km (0.055 R)
• M21: 22,341,844 km (0.099 R)
• M22: 25,768,532 km (0.101 R)
• M23: 26,220,168 km (0.104 R)
• M24: 26,447,856 km (0.086 R)
• M25: 26,676,891 km (0.102 R)
• M26: 27,724,076 km (0.059 R)
• M27: 27,960,590 km (0.067 R)
• M28: 33,240,647 km (0.117 R)
• M29: 33,775,758 km (0.082 R)
• M30: 37,973,026 km (0.05 R)
• M31: 41,263,132 km (0.092 R)
• M32: 43,452,796 km (0.094 R)
• M33: 48,918,354 km (0.104 R)
• M34: 54,453,775 km (0.119 R)
• M35: 56,324,795 km (0.054 R)
• M36: 57,085,051 km (0.085 R)
• M37: 63,210,336 km (0.119 R)
• M38: 65,067,295 km (0.12 R)
• M39: 69,323,653 km (0.09 R)
• M40: 77,680,190 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.4

Radius: 3.2

Gravity: 69.86 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.45 AU - 11.17 AU

Year: 22851 Days

Day: 24.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,369,549 km

• M1: 40,242 km (0.089 R)
• M2: 212,579 km (0.067 R)
• M3: 714,479 km (0.055 R)
• M4: 1,699,731 km (0.117 R)
• M5: 2,160,941 km (0.109 R)
• M6: 3,532,903 km (0.062 R)
• M7: 4,174,379 km (0.052 R)
• M8: 5,236,973 km (0.112 R)
• M9: 7,125,795 km (0.084 R)
• M10: 14,223,766 km (0.079 R)
• M11: 15,008,706 km (0.072 R)
• M12: 15,657,063 km (0.054 R)
• M13: 19,087,043 km (0.053 R)
• M14: 19,751,407 km (0.115 R)
• M15: 22,354,260 km (0.1 R)
• M16: 24,174,268 km (0.059 R)
• M17: 24,505,328 km (0.117 R)
• M18: 30,095,052 km (0.05 R)
• M19: 36,477,047 km (0.111 R)
• M20: 40,833,188 km (0.094 R)
• M21: 41,617,679 km (0.104 R)
• M22: 48,783,267 km (0.033 R)
• M23: 54,430,138 km (0.118 R)
• M24: 57,312,440 km (0.116 R)
• M25: 75,350,951 km (0.137 R)
• M26: 75,821,287 km (0.113 R)
• M27: 77,721,629 km (0.053 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 14,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit