🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.5

Radius: 14.7

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.26 AU - 1.98 AU

Year: 1375 Days

Day: 8.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,597,359 km

• M1: 182,809 km (0.062 R)
• M2: 663,766 km (0.078 R)
• M3: 1,347,428 km (0.112 R)
• M4: 1,834,070 km (0.078 R)
• M5: 2,463,428 km (0.076 R)
• M6: 3,452,120 km (0.061 R)
• M7: 3,981,248 km (0.087 R)
• M8: 4,510,974 km (0.114 R)
• M9: 6,807,900 km (0.115 R)
• M10: 8,442,705 km (0.104 R)
• M11: 9,032,420 km (0.078 R)
• M12: 9,500,213 km (0.096 R)
• M13: 10,484,417 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.5

Radius: 11.2

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.36 AU - 1.98 AU

Year: 1439 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,597,359 km

• M1: 140,024 km (0.042 R)
• M2: 651,349 km (0.077 R)
• M3: 1,385,875 km (0.113 R)
• M4: 2,404,038 km (0.106 R)
• M5: 5,464,062 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.3

Radius: 15

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.19 AU - 4.87 AU

Year: 6429 Days

Day: 7.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,597,359 km

• M1: 186,549 km (0.11 R)
• M2: 941,419 km (0.112 R)
• M3: 1,672,953 km (0.103 R)
• M4: 2,327,743 km (0.117 R)
• M5: 3,717,058 km (0.095 R)
• M6: 4,326,969 km (0.098 R)
• M7: 4,950,792 km (0.113 R)
• M8: 5,520,760 km (0.075 R)
• M9: 6,164,928 km (0.107 R)
• M10: 7,090,490 km (0.1 R)
• M11: 7,817,237 km (0.11 R)
• M12: 8,593,350 km (0.113 R)
• M13: 10,256,729 km (0.085 R)
• M14: 11,371,383 km (0.097 R)
• M15: 14,213,892 km (0.09 R)
• M16: 19,955,907 km (0.088 R)
• M17: 21,265,786 km (0.074 R)
• M18: 22,267,045 km (0.111 R)
• M19: 24,286,915 km (0.08 R)
• M20: 24,986,435 km (0.09 R)
• M21: 27,583,603 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.1

Radius: 11.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.2 AU - 6.4 AU

Year: 8137 Days

Day: 13.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,597,359 km

• M1: 144,212 km (0.086 R)
• M2: 514,168 km (0.069 R)
• M3: 1,301,801 km (0.104 R)
• M4: 2,134,762 km (0.076 R)
• M5: 2,524,015 km (0.094 R)
• M6: 3,145,445 km (0.07 R)
• M7: 3,866,507 km (0.113 R)
• M8: 4,585,175 km (0.06 R)
• M9: 5,005,545 km (0.111 R)
• M10: 5,513,280 km (0.082 R)
• M11: 6,088,035 km (0.056 R)
• M12: 6,916,209 km (0.109 R)
• M13: 7,509,065 km (0.027 R)
• M14: 9,404,021 km (0.107 R)
• M15: 14,291,833 km (0.055 R)
• M16: 18,473,542 km (0.11 R)
• M17: 19,253,844 km (0.082 R)
• M18: 20,880,422 km (0.091 R)
• M19: 21,649,355 km (0.103 R)
• M20: 22,198,678 km (0.105 R)
• M21: 23,243,620 km (0.117 R)
• M22: 26,575,463 km (0.113 R)
• M23: 28,215,505 km (0.096 R)
• M24: 32,917,815 km (0.068 R)
• M25: 35,888,978 km (0.072 R)
• M26: 36,658,809 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190

Radius: 7.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.79 AU - 9.25 AU

Year: 13752 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,597,359 km

• M1: 88,861 km (0.112 R)
• M2: 320,738 km (0.112 R)
• M3: 1,193,342 km (0.117 R)
• M4: 1,512,434 km (0.113 R)
• M5: 2,411,518 km (0.078 R)
• M6: 3,133,477 km (0.115 R)
• M7: 3,441,349 km (0.097 R)
• M8: 4,327,118 km (0.101 R)
• M9: 5,234,579 km (0.034 R)
• M10: 7,230,963 km (0.11 R)
• M11: 8,049,861 km (0.114 R)
• M12: 10,010,342 km (0.085 R)
• M13: 11,430,474 km (0.117 R)
• M14: 12,002,686 km (0.111 R)
• M15: 13,091,758 km (0.038 R)
• M16: 13,431,046 km (0.109 R)
• M17: 14,068,034 km (0.1 R)
• M18: 17,491,133 km (0.093 R)
• M19: 20,737,406 km (0.12 R)
• M20: 22,061,647 km (0.115 R)
• M21: 24,364,108 km (0.047 R)
• M22: 28,486,875 km (0.109 R)
• M23: 28,770,812 km (0.082 R)
• M24: 29,152,436 km (0.065 R)
• M25: 29,634,141 km (0.08 R)
• M26: 34,963,117 km (0.039 R)
• M27: 35,725,916 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.2

Radius: 5

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.17 AU - 9.09 AU

Year: 15458 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,597,359 km

• M1: 62,233 km (0.099 R)
• M2: 259,104 km (0.112 R)
• M3: 647,011 km (0.067 R)
• M4: 936,632 km (0.1 R)
• M5: 1,246,599 km (0.078 R)
• M6: 2,001,919 km (0.087 R)
• M7: 2,361,402 km (0.069 R)
• M8: 3,752,064 km (0.064 R)
• M9: 5,052,668 km (0.099 R)
• M10: 6,142,937 km (0.109 R)
• M11: 6,938,499 km (0.064 R)
• M12: 7,177,855 km (0.096 R)
• M13: 7,464,186 km (0.098 R)
• M14: 9,296,012 km (0.119 R)
• M15: 9,734,782 km (0.084 R)
• M16: 10,496,684 km (0.075 R)
• M17: 10,865,593 km (0.051 R)
• M18: 11,297,781 km (0.059 R)
• M19: 14,648,923 km (0.099 R)
• M20: 17,558,452 km (0.056 R)
• M21: 17,928,557 km (0.041 R)
• M22: 18,455,590 km (0.039 R)
• M23: 18,761,219 km (0.112 R)
• M24: 19,304,408 km (0.118 R)
• M25: 20,017,990 km (0.071 R)
• M26: 24,580,576 km (0.089 R)
• M27: 25,418,473 km (0.085 R)
• M28: 25,892,100 km (0.034 R)
• M29: 26,662,081 km (0.106 R)
• M30: 28,858,327 km (0.082 R)
• M31: 32,707,330 km (0.12 R)
• M32: 35,927,425 km (0.11 R)
• M33: 39,859,006 km (0.098 R)
• M34: 40,884,799 km (0.069 R)
• M35: 43,257,122 km (0.066 R)
• M36: 45,719,652 km (0.105 R)
• M37: 47,269,636 km (0.12 R)
• M38: 47,698,383 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.2

Radius: 4.7

Gravity: 43.51 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.23 AU - 10.55 AU

Year: 17676 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,597,359 km

• M1: 58,493 km (0.106 R)
• M2: 260,001 km (0.036 R)
• M3: 523,293 km (0.084 R)
• M4: 963,410 km (0.108 R)
• M5: 1,169,407 km (0.105 R)
• M6: 1,688,810 km (0.114 R)
• M7: 1,854,116 km (0.1 R)
• M8: 2,393,865 km (0.091 R)
• M9: 3,685,493 km (0.101 R)
• M10: 5,227,548 km (0.063 R)
• M11: 8,566,423 km (0.053 R)
• M12: 12,959,215 km (0.113 R)
• M13: 15,117,613 km (0.032 R)
• M14: 15,512,402 km (0.035 R)
• M15: 16,822,430 km (0.099 R)
• M16: 17,160,970 km (0.067 R)
• M17: 18,471,597 km (0.075 R)
• M18: 19,197,147 km (0.095 R)
• M19: 19,941,546 km (0.047 R)
• M20: 20,801,734 km (0.108 R)
• M21: 21,290,171 km (0.1 R)
• M22: 21,886,318 km (0.035 R)
• M23: 23,216,094 km (0.108 R)
• M24: 27,410,519 km (0.103 R)
• M25: 30,179,874 km (0.085 R)
• M26: 34,064,782 km (0.108 R)
• M27: 44,720,189 km (0.101 R)
• M28: 45,533,254 km (0.101 R)
• M29: 45,861,172 km (0.116 R)
• M30: 47,692,998 km (0.075 R)
• M31: 56,636,707 km (0.112 R)
• M32: 59,914,845 km (0.12 R)
• M33: 67,482,403 km (0.026 R)
• M34: 71,604,871 km (0.115 R)
• M35: 74,520,085 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.6

Radius: 3.4

Gravity: 85.17 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.51 AU - 10.51 AU

Year: 19557 Days

Day: 17.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,597,359 km

• M1: 42,785 km (0.11 R)
• M2: 219,610 km (0.082 R)
• M3: 535,411 km (0.114 R)
• M4: 718,668 km (0.052 R)
• M5: 859,440 km (0.092 R)
• M6: 2,147,477 km (0.108 R)
• M7: 4,430,341 km (0.084 R)
• M8: 5,135,545 km (0.109 R)
• M9: 5,253,428 km (0.045 R)
• M10: 6,042,108 km (0.036 R)
• M11: 6,441,984 km (0.091 R)
• M12: 6,625,241 km (0.094 R)
• M13: 7,443,242 km (0.117 R)
• M14: 7,850,597 km (0.078 R)
• M15: 8,489,081 km (0.116 R)
• M16: 9,104,227 km (0.094 R)
• M17: 11,391,130 km (0.115 R)
• M18: 11,862,962 km (0.079 R)
• M19: 12,488,580 km (0.106 R)
• M20: 12,845,520 km (0.099 R)
• M21: 14,654,159 km (0.114 R)
• M22: 23,156,254 km (0.066 R)
• M23: 24,021,528 km (0.052 R)
• M24: 29,169,191 km (0.066 R)
• M25: 30,561,947 km (0.062 R)
• M26: 31,734,047 km (0.108 R)
• M27: 32,531,703 km (0.057 R)
• M28: 34,167,256 km (0.119 R)
• M29: 34,445,059 km (0.119 R)
• M30: 35,713,948 km (0.094 R)
• M31: 40,322,610 km (0.069 R)
• M32: 40,788,607 km (0.091 R)
• M33: 48,215,244 km (0.081 R)
• M34: 57,076,824 km (0.107 R)
• M35: 58,058,036 km (0.104 R)
• M36: 58,453,573 km (0.115 R)
• M37: 64,816,569 km (0.035 R)
• M38: 67,180,963 km (0.097 R)
• M39: 73,226,662 km (0.091 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: 439 - 12,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit