🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.6

Radius: 10.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.89 AU - 1.37 AU

Year: 829 Days

Day: 12.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 99.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,685,389 km

• M1: 131,796 km (0.096 R)
• M2: 593,305 km (0.081 R)
• M3: 1,189,004 km (0.109 R)
• M4: 1,827,188 km (0.078 R)
• M5: 2,489,458 km (0.059 R)
• M6: 3,011,256 km (0.092 R)
• M7: 4,185,000 km (0.119 R)
• M8: 4,810,020 km (0.09 R)
• M9: 5,248,791 km (0.07 R)
• M10: 5,769,691 km (0.044 R)
• M11: 6,852,480 km (0.117 R)
• M12: 7,213,310 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.8

Radius: 9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.17 AU - 1.49 AU

Year: 1059 Days

Day: 14.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,685,389 km

• M1: 111,899 km (0.118 R)
• M2: 453,132 km (0.03 R)
• M3: 751,879 km (0.106 R)
• M4: 1,171,800 km (0.085 R)
• M5: 1,550,283 km (0.106 R)
• M6: 1,862,045 km (0.118 R)
• M7: 2,791,197 km (0.1 R)
• M8: 3,509,566 km (0.092 R)
• M9: 4,414,484 km (0.043 R)
• M10: 4,709,939 km (0.08 R)
• M11: 5,294,119 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 14.3

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.76 AU - 1.78 AU

Year: 1625 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,685,389 km

• M1: 178,171 km (0.096 R)
• M2: 705,803 km (0.089 R)
• M3: 1,294,171 km (0.096 R)
• M4: 2,079,261 km (0.094 R)
• M5: 2,531,046 km (0.116 R)
• M6: 3,452,420 km (0.095 R)
• M7: 4,725,647 km (0.099 R)
• M8: 5,577,607 km (0.102 R)
• M9: 7,160,652 km (0.086 R)
• M10: 7,931,380 km (0.105 R)
• M11: 8,440,761 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.2

Radius: 14.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.24 AU - 3.44 AU

Year: 3304 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,685,389 km

• M1: 181,013 km (0.097 R)
• M2: 1,070,522 km (0.105 R)
• M3: 2,045,003 km (0.081 R)
• M4: 2,536,432 km (0.108 R)
• M5: 3,534,998 km (0.118 R)
• M6: 4,851,459 km (0.08 R)
• M7: 5,306,984 km (0.062 R)
• M8: 7,209,421 km (0.095 R)
• M9: 9,906,521 km (0.114 R)
• M10: 10,644,337 km (0.094 R)
• M11: 13,683,867 km (0.099 R)
• M12: 14,257,724 km (0.062 R)
• M13: 18,852,922 km (0.106 R)
• M14: 19,805,262 km (0.066 R)
• M15: 20,540,386 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.3 AU - 3.44 AU

Year: 3356 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,685,389 km

• M1: 111,899 km (0.12 R)
• M2: 696,079 km (0.067 R)
• M3: 1,480,121 km (0.084 R)
• M4: 1,912,758 km (0.119 R)
• M5: 2,304,705 km (0.099 R)
• M6: 2,689,171 km (0.091 R)
• M7: 3,515,101 km (0.102 R)
• M8: 5,966,561 km (0.109 R)
• M9: 9,274,170 km (0.068 R)
• M10: 9,628,418 km (0.078 R)
• M11: 10,553,531 km (0.099 R)
• M12: 15,584,508 km (0.119 R)
• M13: 17,226,344 km (0.117 R)
• M14: 18,198,880 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.1

Radius: 5.5

Gravity: 23.24 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.61 AU - 8.99 AU

Year: 16505 Days

Day: 22.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 80,685,389 km

• M1: 68,366 km (0.084 R)
• M2: 287,078 km (0.098 R)
• M3: 1,085,033 km (0.1 R)
• M4: 1,309,729 km (0.115 R)
• M5: 2,217,340 km (0.093 R)
• M6: 2,470,758 km (0.082 R)
• M7: 2,814,534 km (0.045 R)
• M8: 3,086,503 km (0.086 R)
• M9: 3,770,166 km (0.063 R)
• M10: 4,549,870 km (0.102 R)
• M11: 5,138,238 km (0.093 R)
• M12: 5,933,351 km (0.117 R)
• M13: 6,677,750 km (0.099 R)
• M14: 7,717,156 km (0.104 R)
• M15: 9,719,074 km (0.092 R)
• M16: 11,292,246 km (0.047 R)
• M17: 11,852,340 km (0.099 R)
• M18: 14,712,951 km (0.085 R)
• M19: 17,097,989 km (0.088 R)
• M20: 18,509,595 km (0.08 R)
• M21: 19,025,708 km (0.073 R)
• M22: 19,551,544 km (0.093 R)
• M23: 23,207,566 km (0.065 R)
• M24: 25,989,788 km (0.069 R)
• M25: 26,636,798 km (0.076 R)
• M26: 31,349,131 km (0.104 R)
• M27: 33,203,247 km (0.098 R)
• M28: 40,052,885 km (0.064 R)
• M29: 42,530,076 km (0.041 R)
• M30: 44,033,834 km (0.09 R)
• M31: 48,432,610 km (0.073 R)
• M32: 50,237,807 km (0.1 R)
• M33: 53,981,943 km (0.049 R)
• M34: 54,682,210 km (0.04 R)
• M35: 54,858,138 km (0.09 R)
• M36: 56,999,481 km (0.09 R)
• M37: 59,010,825 km (0.032 R)
• M38: 63,951,893 km (0.041 R)
• M39: 65,327,894 km (0.03 R)
• M40: 65,724,478 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.4

Radius: 6.2

Gravity: 24.31 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.9 AU - 11.14 AU

Year: 18699 Days

Day: 22.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,685,389 km

• M1: 80,633 km (0.114 R)
• M2: 802,443 km (0.094 R)
• M3: 1,219,522 km (0.098 R)
• M4: 2,319,515 km (0.118 R)
• M5: 3,806,667 km (0.11 R)
• M6: 4,029,119 km (0.061 R)
• M7: 4,749,284 km (0.12 R)
• M8: 7,720,297 km (0.115 R)
• M9: 8,553,408 km (0.12 R)
• M10: 10,769,850 km (0.097 R)
• M11: 12,351,548 km (0.092 R)
• M12: 14,309,186 km (0.106 R)
• M13: 14,538,669 km (0.045 R)
• M14: 15,321,664 km (0.115 R)
• M15: 15,723,484 km (0.048 R)
• M16: 18,644,981 km (0.091 R)
• M17: 23,462,930 km (0.077 R)
• M18: 24,104,705 km (0.1 R)
• M19: 26,557,661 km (0.059 R)
• M20: 28,805,968 km (0.052 R)
• M21: 30,415,341 km (0.073 R)
• M22: 31,823,357 km (0.082 R)
• M23: 33,007,125 km (0.069 R)
• M24: 36,023,915 km (0.106 R)
• M25: 37,453,921 km (0.034 R)
• M26: 38,183,061 km (0.114 R)
• M27: 40,426,880 km (0.117 R)
• M28: 42,127,209 km (0.069 R)
• M29: 46,001,495 km (0.094 R)
• M30: 50,282,836 km (0.067 R)
• M31: 53,341,215 km (0.103 R)
• M32: 54,449,436 km (0.046 R)
• M33: 59,825,385 km (0.057 R)
• M34: 63,668,106 km (0.101 R)
• M35: 64,289,535 km (0.115 R)
• M36: 76,177,480 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 17,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit