🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.3

Radius: 14.1

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.71 AU - 0.77 AU

Year: 447 Days

Day: 10.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,555,342 km

• M1: 175,329 km (0.073 R)
• M2: 697,126 km (0.083 R)
• M3: 1,164,619 km (0.097 R)
• M4: 1,805,497 km (0.093 R)
• M5: 2,666,582 km (0.059 R)
• M6: 3,152,925 km (0.064 R)
• M7: 3,890,293 km (0.089 R)
• M8: 5,779,115 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.3

Radius: 12.6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.64 AU - 0.86 AU

Year: 457 Days

Day: 12.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,555,342 km

• M1: 156,629 km (0.093 R)
• M2: 596,447 km (0.063 R)
• M3: 1,125,874 km (0.078 R)
• M4: 1,541,456 km (0.051 R)
• M5: 1,974,991 km (0.089 R)
• M6: 2,481,380 km (0.047 R)
• M7: 3,159,956 km (0.08 R)
• M8: 3,858,578 km (0.045 R)
• M9: 4,352,700 km (0.113 R)
• M10: 4,874,347 km (0.1 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.5

Radius: 4.7

Gravity: 40.58 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.8 AU - 6.1 AU

Year: 8943 Days

Day: 18.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 43,555,342 km

• M1: 58,642 km (0.036 R)
• M2: 229,184 km (0.107 R)
• M3: 453,132 km (0.073 R)
• M4: 649,853 km (0.082 R)
• M5: 1,004,699 km (0.039 R)
• M6: 1,293,722 km (0.069 R)
• M7: 2,270,148 km (0.03 R)
• M8: 3,031,601 km (0.078 R)
• M9: 3,216,504 km (0.097 R)
• M10: 3,869,648 km (0.095 R)
• M11: 6,026,101 km (0.109 R)
• M12: 6,431,212 km (0.077 R)
• M13: 6,698,245 km (0.106 R)
• M14: 7,052,492 km (0.051 R)
• M15: 7,502,184 km (0.089 R)
• M16: 8,014,407 km (0.099 R)
• M17: 9,396,541 km (0.119 R)
• M18: 9,890,514 km (0.069 R)
• M19: 10,246,557 km (0.058 R)
• M20: 10,663,785 km (0.1 R)
• M21: 14,161,383 km (0.053 R)
• M22: 14,548,243 km (0.029 R)
• M23: 16,027,617 km (0.104 R)
• M24: 16,236,754 km (0.089 R)
• M25: 17,237,265 km (0.032 R)
• M26: 20,239,844 km (0.113 R)
• M27: 20,895,980 km (0.028 R)
• M28: 27,156,202 km (0.108 R)
• M29: 27,354,270 km (0.099 R)
• M30: 27,553,235 km (0.1 R)
• M31: 32,179,400 km (0.072 R)
• M32: 33,753,319 km (0.06 R)
• M33: 36,690,224 km (0.085 R)
• M34: 42,664,266 km (0.092 R)
• M35: 44,287,253 km (0.118 R)
• M36: 44,837,175 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420

Radius: 5.3

Gravity: 14.95 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.72 AU - 5.9 AU

Year: 9844 Days

Day: 16.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 179.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,555,342 km

• M1: 66,122 km (0.1 R)
• M2: 364,271 km (0.109 R)
• M3: 657,483 km (0.1 R)
• M4: 840,291 km (0.107 R)
• M5: 1,264,401 km (0.109 R)
• M6: 1,564,943 km (0.044 R)
• M7: 1,790,836 km (0.1 R)
• M8: 3,089,346 km (0.116 R)
• M9: 4,110,949 km (0.113 R)
• M10: 4,377,533 km (0.054 R)
• M11: 5,064,636 km (0.032 R)
• M12: 5,247,145 km (0.108 R)
• M13: 5,954,145 km (0.045 R)
• M14: 6,295,826 km (0.083 R)
• M15: 6,542,663 km (0.025 R)
• M16: 7,207,027 km (0.062 R)
• M17: 7,438,156 km (0.058 R)
• M18: 8,203,050 km (0.097 R)
• M19: 9,378,291 km (0.051 R)
• M20: 12,111,743 km (0.073 R)
• M21: 12,771,619 km (0.093 R)
• M22: 16,236,455 km (0.048 R)
• M23: 18,006,497 km (0.083 R)
• M24: 19,452,660 km (0.116 R)
• M25: 26,925,074 km (0.061 R)
• M26: 27,575,525 km (0.08 R)
• M27: 28,715,012 km (0.1 R)
• M28: 29,688,296 km (0.106 R)
• M29: 32,113,577 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.4

Radius: 4

Gravity: 61.21 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.82 AU - 6.98 AU

Year: 12740 Days

Day: 23.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,555,342 km

• M1: 54,753 km (0.102 R)
• M2: 189,092 km (0.099 R)
• M3: 425,756 km (0.101 R)
• M4: 572,361 km (0.092 R)
• M5: 697,724 km (0.057 R)
• M6: 893,847 km (0.057 R)
• M7: 1,311,824 km (0.115 R)
• M8: 2,542,117 km (0.076 R)
• M9: 3,235,802 km (0.11 R)
• M10: 3,393,777 km (0.09 R)
• M11: 4,452,182 km (0.069 R)
• M12: 10,773,440 km (0.105 R)
• M13: 11,007,860 km (0.03 R)
• M14: 11,608,795 km (0.103 R)
• M15: 15,830,297 km (0.088 R)
• M16: 16,750,773 km (0.086 R)
• M17: 23,228,361 km (0.093 R)
• M18: 23,718,144 km (0.081 R)
• M19: 28,550,604 km (0.096 R)
• M20: 30,490,589 km (0.107 R)
• M21: 33,500,349 km (0.081 R)
• M22: 34,757,868 km (0.103 R)
• M23: 48,627,087 km (0.114 R)
• M24: 48,946,329 km (0.119 R)
• M25: 50,237,359 km (0.059 R)
• M26: 56,680,090 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.5

Radius: 6.6

Gravity: 19.62 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.42 AU - 10.46 AU

Year: 18789 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,555,342 km

• M1: 82,129 km (0.087 R)
• M2: 288,275 km (0.065 R)
• M3: 873,053 km (0.095 R)
• M4: 1,696,589 km (0.032 R)
• M5: 3,194,214 km (0.053 R)
• M6: 3,623,260 km (0.111 R)
• M7: 4,321,134 km (0.094 R)
• M8: 4,773,668 km (0.074 R)
• M9: 5,334,660 km (0.104 R)
• M10: 5,571,025 km (0.099 R)
• M11: 7,475,256 km (0.114 R)
• M12: 8,871,004 km (0.066 R)
• M13: 10,991,105 km (0.05 R)
• M14: 11,439,300 km (0.108 R)
• M15: 15,316,728 km (0.083 R)
• M16: 17,120,130 km (0.11 R)
• M17: 17,548,877 km (0.074 R)
• M18: 20,368,947 km (0.053 R)
• M19: 24,327,905 km (0.102 R)
• M20: 26,203,413 km (0.106 R)
• M21: 26,772,933 km (0.055 R)
• M22: 27,003,014 km (0.052 R)
• M23: 29,744,844 km (0.025 R)
• M24: 30,239,863 km (0.049 R)
• M25: 39,667,521 km (0.09 R)
• M26: 41,025,570 km (0.053 R)
• M27: 42,102,974 km (0.062 R)
• M28: 43,199,078 km (0.08 R)
• M29: 49,656,620 km (0.104 R)
• M30: 61,798,581 km (0.096 R)
• M31: 72,381,583 km (0.111 R)
• M32: 73,501,922 km (0.08 R)
• M33: 76,932,201 km (0.075 R)
• M34: 77,630,823 km (0.162 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.2

Radius: 3.7

Gravity: 39.9 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.49 AU - 11.55 AU

Year: 20647 Days

Day: 21.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 43,555,342 km

• M1: 46,076 km (0.117 R)
• M2: 186,698 km (0.08 R)
• M3: 425,456 km (0.115 R)
• M4: 1,066,782 km (0.117 R)
• M5: 1,212,341 km (0.098 R)
• M6: 1,432,400 km (0.055 R)
• M7: 1,730,997 km (0.101 R)
• M8: 2,876,917 km (0.115 R)
• M9: 3,160,704 km (0.108 R)
• M10: 3,998,153 km (0.119 R)
• M11: 4,690,342 km (0.039 R)
• M12: 4,937,777 km (0.058 R)
• M13: 5,852,867 km (0.111 R)
• M14: 7,668,088 km (0.065 R)
• M15: 7,813,946 km (0.095 R)
• M16: 8,781,844 km (0.097 R)
• M17: 9,103,330 km (0.042 R)
• M18: 9,266,990 km (0.077 R)
• M19: 16,555,697 km (0.065 R)
• M20: 17,714,931 km (0.057 R)
• M21: 19,643,996 km (0.116 R)
• M22: 25,391,396 km (0.092 R)
• M23: 26,043,194 km (0.1 R)
• M24: 28,180,349 km (0.106 R)
• M25: 31,913,714 km (0.078 R)
• M26: 35,154,303 km (0.063 R)
• M27: 35,557,319 km (0.056 R)
• M28: 42,128,855 km (0.112 R)
• M29: 43,348,526 km (0.111 R)
• M30: 44,591,535 km (0.085 R)
• M31: 48,795,385 km (0.088 R)
• M32: 52,552,535 km (0.069 R)
• M33: 54,322,278 km (0.086 R)
• M34: 64,770,343 km (0.046 R)
• M35: 68,460,174 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.2

Radius: 5.3

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.73 AU - 11.49 AU

Year: 20941 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,555,342 km

• M1: 135,536 km (0.086 R)
• M2: 581,337 km (0.108 R)
• M3: 1,311,973 km (0.077 R)
• M4: 1,600,548 km (0.08 R)
• M5: 1,836,314 km (0.099 R)
• M6: 4,815,555 km (0.062 R)
• M7: 5,666,767 km (0.116 R)
• M8: 6,838,119 km (0.098 R)
• M9: 9,272,974 km (0.052 R)
• M10: 9,696,485 km (0.084 R)
• M11: 12,399,270 km (0.103 R)
• M12: 12,682,907 km (0.078 R)
• M13: 13,440,920 km (0.103 R)
• M14: 13,680,127 km (0.083 R)
• M15: 13,983,063 km (0.053 R)
• M16: 17,617,543 km (0.104 R)
• M17: 19,307,849 km (0.093 R)
• M18: 22,332,569 km (0.111 R)
• M19: 23,092,526 km (0.098 R)
• M20: 24,663,902 km (0.112 R)
• M21: 28,802,676 km (0.117 R)
• M22: 34,262,999 km (0.085 R)
• M23: 36,418,554 km (0.12 R)
• M24: 36,766,968 km (0.118 R)
• M25: 43,294,970 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 10,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit