🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.33 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 8.7

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.07 AU - 3.23 AU

Year: 2785 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 93,213,069 km

• M1: 113,694 km (0.109 R)
• M2: 400,324 km (0.032 R)
• M3: 694,733 km (0.109 R)
• M4: 1,192,893 km (0.054 R)
• M5: 1,587,533 km (0.082 R)
• M6: 2,459,987 km (0.109 R)
• M7: 2,968,022 km (0.097 R)
• M8: 3,319,876 km (0.082 R)
• M9: 3,640,913 km (0.092 R)
• M10: 4,150,593 km (0.117 R)
• M11: 4,434,081 km (0.052 R)
• M12: 4,943,462 km (0.084 R)
• M13: 6,947,176 km (0.037 R)
• M14: 7,602,564 km (0.114 R)
• M15: 8,470,381 km (0.106 R)
• M16: 11,512,603 km (0.056 R)
• M17: 12,295,898 km (0.069 R)
• M18: 15,629,836 km (0.102 R)
• M19: 16,319,183 km (0.053 R)
• M20: 16,973,374 km (0.113 R)
• M21: 18,392,310 km (0.111 R)
• M22: 21,724,154 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.4

Radius: 14.4

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.53 AU - 4.15 AU

Year: 3941 Days

Day: 11.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,213,069 km

• M1: 179,218 km (0.079 R)
• M2: 666,907 km (0.093 R)
• M3: 1,844,093 km (0.111 R)
• M4: 3,777,795 km (0.071 R)
• M5: 4,261,894 km (0.067 R)
• M6: 5,092,461 km (0.077 R)
• M7: 7,440,998 km (0.086 R)
• M8: 7,922,554 km (0.105 R)
• M9: 10,956,249 km (0.054 R)
• M10: 11,810,154 km (0.089 R)
• M11: 13,001,102 km (0.088 R)
• M12: 14,747,208 km (0.066 R)
• M13: 17,532,422 km (0.099 R)
• M14: 18,079,651 km (0.073 R)
• M15: 18,701,230 km (0.084 R)
• M16: 20,853,943 km (0.076 R)
• M17: 21,676,283 km (0.056 R)
• M18: 23,312,734 km (0.072 R)
• M19: 24,498,895 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.7

Radius: 12.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.13 AU - 3.87 AU

Year: 4228 Days

Day: 14.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,213,069 km

• M1: 163,959 km (0.073 R)
• M2: 651,648 km (0.113 R)
• M3: 1,094,159 km (0.058 R)
• M4: 1,863,391 km (0.109 R)
• M5: 2,414,210 km (0.11 R)
• M6: 2,952,164 km (0.073 R)
• M7: 3,686,989 km (0.059 R)
• M8: 4,162,710 km (0.112 R)
• M9: 4,726,395 km (0.05 R)
• M10: 6,035,376 km (0.052 R)
• M11: 7,970,275 km (0.108 R)
• M12: 10,531,241 km (0.103 R)
• M13: 13,120,930 km (0.12 R)
• M14: 14,387,126 km (0.093 R)
• M15: 16,109,297 km (0.059 R)
• M16: 17,733,032 km (0.068 R)
• M17: 21,238,410 km (0.082 R)
• M18: 21,897,837 km (0.116 R)
• M19: 22,367,425 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.5

Radius: 8.3

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.59 AU - 3.97 AU

Year: 4745 Days

Day: 14.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,213,069 km

• M1: 103,671 km (0.046 R)
• M2: 395,238 km (0.105 R)
• M3: 2,199,537 km (0.103 R)
• M4: 2,865,697 km (0.091 R)
• M5: 4,063,976 km (0.06 R)
• M6: 5,038,307 km (0.077 R)
• M7: 6,702,733 km (0.032 R)
• M8: 7,210,917 km (0.06 R)
• M9: 7,744,682 km (0.097 R)
• M10: 8,484,892 km (0.085 R)
• M11: 9,741,963 km (0.105 R)
• M12: 10,023,955 km (0.105 R)
• M13: 10,561,909 km (0.08 R)
• M14: 11,338,471 km (0.07 R)
• M15: 11,695,562 km (0.108 R)
• M16: 13,545,190 km (0.102 R)
• M17: 13,896,745 km (0.05 R)
• M18: 15,148,430 km (0.093 R)
• M19: 16,874,191 km (0.113 R)
• M20: 18,419,537 km (0.107 R)
• M21: 20,977,810 km (0.103 R)
• M22: 21,448,595 km (0.05 R)
• M23: 21,926,560 km (0.113 R)
• M24: 24,055,338 km (0.099 R)
• M25: 24,423,049 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.2

Radius: 12.2

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.53 AU - 5.29 AU

Year: 5980 Days

Day: 10.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 93,213,069 km

• M1: 151,842 km (0.063 R)
• M2: 631,153 km (0.069 R)
• M3: 1,537,567 km (0.095 R)
• M4: 2,145,682 km (0.098 R)
• M5: 2,549,896 km (0.12 R)
• M6: 3,083,063 km (0.09 R)
• M7: 3,987,232 km (0.059 R)
• M8: 4,553,011 km (0.114 R)
• M9: 5,088,123 km (0.082 R)
• M10: 6,000,520 km (0.093 R)
• M11: 6,847,244 km (0.095 R)
• M12: 7,698,007 km (0.112 R)
• M13: 9,782,354 km (0.114 R)
• M14: 14,126,527 km (0.086 R)
• M15: 14,861,800 km (0.079 R)
• M16: 15,563,115 km (0.12 R)
• M17: 17,349,164 km (0.096 R)
• M18: 17,735,127 km (0.097 R)
• M19: 18,126,774 km (0.117 R)
• M20: 19,063,257 km (0.096 R)
• M21: 20,815,497 km (0.082 R)
• M22: 23,445,577 km (0.069 R)
• M23: 24,236,052 km (0.091 R)
• M24: 25,703,607 km (0.119 R)
• M25: 28,725,334 km (0.08 R)
• M26: 31,023,756 km (0.049 R)
• M27: 32,362,956 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.1

Radius: 6.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.38 AU - 8.32 AU

Year: 14201 Days

Day: 25 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,213,069 km

• M1: 86,168 km (0.109 R)
• M2: 388,954 km (0.115 R)
• M3: 1,364,033 km (0.106 R)
• M4: 5,059,250 km (0.075 R)
• M5: 6,794,885 km (0.117 R)
• M6: 7,196,256 km (0.119 R)
• M7: 7,522,529 km (0.079 R)
• M8: 13,859,495 km (0.062 R)
• M9: 16,156,121 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.6

Radius: 4.3

Gravity: 30.81 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.77 AU - 10.99 AU

Year: 20052 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 93,213,069 km

• M1: 59,540 km (0.084 R)
• M2: 193,430 km (0.025 R)
• M3: 437,275 km (0.056 R)
• M4: 601,084 km (0.118 R)
• M5: 755,320 km (0.109 R)
• M6: 1,159,234 km (0.056 R)
• M7: 2,356,615 km (0.035 R)
• M8: 3,071,843 km (0.107 R)
• M9: 3,367,298 km (0.031 R)
• M10: 4,568,719 km (0.085 R)
• M11: 5,359,643 km (0.111 R)
• M12: 6,799,822 km (0.107 R)
• M13: 7,441,896 km (0.04 R)
• M14: 7,729,124 km (0.079 R)
• M15: 8,952,385 km (0.119 R)
• M16: 9,836,210 km (0.062 R)
• M17: 11,020,726 km (0.091 R)
• M18: 12,902,667 km (0.116 R)
• M19: 13,177,927 km (0.029 R)
• M20: 14,988,360 km (0.088 R)
• M21: 19,271,796 km (0.097 R)
• M22: 20,737,706 km (0.098 R)
• M23: 21,497,962 km (0.1 R)
• M24: 25,795,610 km (0.051 R)
• M25: 31,741,975 km (0.08 R)
• M26: 33,005,928 km (0.108 R)
• M27: 34,303,091 km (0.028 R)
• M28: 35,097,605 km (0.108 R)
• M29: 48,198,190 km (0.094 R)
• M30: 50,373,642 km (0.093 R)
• M31: 51,227,397 km (0.11 R)
• M32: 56,737,536 km (0.091 R)
• M33: 57,661,751 km (0.095 R)
• M34: 60,111,566 km (0.083 R)
• M35: 61,847,649 km (0.108 R)
• M36: 63,815,460 km (0.062 R)
• M37: 64,014,425 km (0.089 R)
• M38: 70,604,809 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.2

Radius: 3.9

Gravity: 56.09 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.59 AU - 12.87 AU

Year: 24299 Days

Day: 20.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 93,213,069 km

• M1: 49,517 km (0.084 R)
• M2: 309,668 km (0.106 R)
• M3: 582,833 km (0.07 R)
• M4: 771,626 km (0.094 R)
• M5: 1,013,675 km (0.11 R)
• M6: 1,486,853 km (0.113 R)
• M7: 1,923,380 km (0.073 R)
• M8: 2,464,625 km (0.112 R)
• M9: 2,589,240 km (0.113 R)
• M10: 2,744,223 km (0.044 R)
• M11: 3,101,313 km (0.083 R)
• M12: 4,181,410 km (0.115 R)
• M13: 4,468,040 km (0.115 R)
• M14: 4,616,141 km (0.115 R)
• M15: 5,120,436 km (0.091 R)
• M16: 5,365,028 km (0.082 R)
• M17: 5,574,914 km (0.069 R)
• M18: 6,422,685 km (0.102 R)
• M19: 8,651,843 km (0.12 R)
• M20: 12,118,325 km (0.083 R)
• M21: 15,047,003 km (0.093 R)
• M22: 15,633,426 km (0.118 R)
• M23: 16,674,029 km (0.097 R)
• M24: 19,971,465 km (0.094 R)
• M25: 22,467,805 km (0.082 R)
• M26: 25,164,307 km (0.091 R)
• M27: 26,590,124 km (0.098 R)
• M28: 28,447,082 km (0.104 R)
• M29: 30,653,950 km (0.112 R)
• M30: 36,142,397 km (0.08 R)
• M31: 37,343,668 km (0.066 R)
• M32: 38,882,581 km (0.104 R)
• M33: 41,921,811 km (0.059 R)
• M34: 51,041,447 km (0.092 R)
• M35: 51,793,176 km (0.113 R)
• M36: 68,419,185 km (0.075 R)
• M37: 71,184,501 km (0.107 R)
• M38: 71,652,443 km (0.095 R)
• M39: 76,201,266 km (0.085 R)
• M40: 77,676,750 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 19,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit