🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.4

Radius: 13.1

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.83 AU - 0.91 AU

Year: 541 Days

Day: 15 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,364,192 km

• M1: 163,361 km (0.101 R)
• M2: 640,428 km (0.113 R)
• M3: 1,224,159 km (0.118 R)
• M4: 2,357,214 km (0.05 R)
• M5: 2,788,504 km (0.109 R)
• M6: 3,542,777 km (0.082 R)
• M7: 3,997,554 km (0.111 R)
• M8: 4,475,669 km (0.055 R)
• M9: 5,161,426 km (0.111 R)
• M10: 5,620,392 km (0.109 R)
• M11: 7,164,092 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.8

Radius: 11.3

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.55 AU - 1.81 AU

Year: 1452 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,364,192 km

• M1: 140,472 km (0.087 R)
• M2: 829,221 km (0.052 R)
• M3: 1,714,392 km (0.118 R)
• M4: 3,713,767 km (0.082 R)
• M5: 4,516,360 km (0.039 R)
• M6: 5,217,525 km (0.089 R)
• M7: 8,561,037 km (0.052 R)
• M8: 12,540,191 km (0.105 R)
• M9: 12,964,600 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474

Radius: 10.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.51 AU - 1.97 AU

Year: 1531 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,364,192 km

• M1: 134,339 km (0.119 R)
• M2: 549,922 km (0.03 R)
• M3: 1,042,248 km (0.072 R)
• M4: 2,065,647 km (0.105 R)
• M5: 2,414,958 km (0.114 R)
• M6: 2,857,319 km (0.098 R)
• M7: 3,323,616 km (0.075 R)
• M8: 5,114,901 km (0.096 R)
• M9: 5,937,539 km (0.107 R)
• M10: 6,652,617 km (0.07 R)
• M11: 8,478,160 km (0.046 R)
• M12: 9,204,607 km (0.072 R)
• M13: 9,909,064 km (0.086 R)
• M14: 10,355,165 km (0.12 R)
• M15: 10,814,729 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.7

Radius: 13.9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.71 AU - 1.93 AU

Year: 1637 Days

Day: 6.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,364,192 km

• M1: 172,935 km (0.07 R)
• M2: 875,596 km (0.114 R)
• M3: 1,419,833 km (0.115 R)
• M4: 2,179,342 km (0.117 R)
• M5: 2,786,410 km (0.106 R)
• M6: 3,441,948 km (0.111 R)
• M7: 5,043,842 km (0.114 R)
• M8: 5,529,137 km (0.063 R)
• M9: 6,022,661 km (0.087 R)
• M10: 6,893,919 km (0.111 R)
• M11: 7,547,362 km (0.092 R)
• M12: 8,327,814 km (0.066 R)
• M13: 8,767,782 km (0.106 R)
• M14: 10,822,658 km (0.07 R)
• M15: 11,634,376 km (0.046 R)
• M16: 13,103,128 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.2

Radius: 11.4

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.73 AU - 2.37 AU

Year: 1957 Days

Day: 9.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,364,192 km

• M1: 141,968 km (0.096 R)
• M2: 579,093 km (0.119 R)
• M3: 1,007,542 km (0.109 R)
• M4: 2,839,068 km (0.04 R)
• M5: 3,657,369 km (0.054 R)
• M6: 4,260,847 km (0.113 R)
• M7: 4,665,958 km (0.085 R)
• M8: 5,376,847 km (0.113 R)
• M9: 6,377,806 km (0.042 R)
• M10: 7,693,220 km (0.068 R)
• M11: 8,625,364 km (0.066 R)
• M12: 9,340,592 km (0.095 R)
• M13: 10,678,146 km (0.108 R)
• M14: 12,447,291 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.9

Radius: 12.3

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.88 AU - 4.14 AU

Year: 4385 Days

Day: 10.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,364,192 km

• M1: 153,487 km (0.03 R)
• M2: 646,263 km (0.089 R)
• M3: 1,185,264 km (0.104 R)
• M4: 1,817,913 km (0.098 R)
• M5: 2,373,669 km (0.079 R)
• M6: 3,154,271 km (0.05 R)
• M7: 3,700,603 km (0.097 R)
• M8: 4,828,421 km (0.075 R)
• M9: 6,295,527 km (0.051 R)
• M10: 7,065,208 km (0.034 R)
• M11: 7,507,719 km (0.117 R)
• M12: 8,041,334 km (0.062 R)
• M13: 9,065,781 km (0.07 R)
• M14: 10,477,236 km (0.062 R)
• M15: 14,640,396 km (0.104 R)
• M16: 18,043,598 km (0.11 R)
• M17: 19,068,044 km (0.109 R)
• M18: 20,608,303 km (0.118 R)
• M19: 21,585,477 km (0.079 R)
• M20: 22,739,774 km (0.098 R)
• M21: 24,316,835 km (0.109 R)
• M22: 25,014,559 km (0.095 R)
• M23: 28,705,288 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229

Radius: 13.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.78 AU - 4.6 AU

Year: 5719 Days

Day: 5.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,364,192 km

• M1: 166,652 km (0.098 R)
• M2: 1,643,781 km (0.107 R)
• M3: 2,875,570 km (0.105 R)
• M4: 3,420,855 km (0.045 R)
• M5: 4,335,496 km (0.088 R)
• M6: 4,768,133 km (0.115 R)
• M7: 6,414,906 km (0.082 R)
• M8: 9,537,163 km (0.091 R)
• M9: 10,514,038 km (0.047 R)
• M10: 14,690,361 km (0.08 R)
• M11: 18,766,454 km (0.105 R)
• M12: 21,192,483 km (0.086 R)
• M13: 22,717,633 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.2

Radius: 5.1

Gravity: 21.61 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8 AU - 8.66 AU

Year: 16032 Days

Day: 18.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,364,192 km

• M1: 99,782 km (0.078 R)
• M2: 270,623 km (0.066 R)
• M3: 547,379 km (0.038 R)
• M4: 1,640,041 km (0.077 R)
• M5: 2,001,171 km (0.115 R)
• M6: 2,171,563 km (0.119 R)
• M7: 2,787,756 km (0.068 R)
• M8: 3,459,900 km (0.082 R)
• M9: 3,706,287 km (0.082 R)
• M10: 4,844,577 km (0.109 R)
• M11: 5,548,435 km (0.072 R)
• M12: 5,886,377 km (0.107 R)
• M13: 6,439,291 km (0.112 R)
• M14: 7,332,689 km (0.093 R)
• M15: 7,602,564 km (0.114 R)
• M16: 8,305,973 km (0.053 R)
• M17: 10,618,756 km (0.113 R)
• M18: 12,999,457 km (0.049 R)
• M19: 13,662,774 km (0.1 R)
• M20: 14,628,877 km (0.105 R)
• M21: 15,200,939 km (0.119 R)
• M22: 15,565,958 km (0.1 R)
• M23: 16,928,495 km (0.101 R)
• M24: 22,889,821 km (0.036 R)
• M25: 24,447,882 km (0.059 R)
• M26: 27,773,443 km (0.083 R)
• M27: 34,798,409 km (0.085 R)
• M28: 35,177,790 km (0.063 R)
• M29: 38,178,573 km (0.041 R)
• M30: 39,124,630 km (0.117 R)
• M31: 40,224,923 km (0.1 R)
• M32: 40,503,175 km (0.09 R)
• M33: 43,356,604 km (0.11 R)
• M34: 50,100,327 km (0.058 R)
• M35: 55,249,785 km (0.105 R)
• M36: 56,459,433 km (0.119 R)
• M37: 60,012,831 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.5

Radius: 4.8

Gravity: 25.41 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.44 AU - 11.64 AU

Year: 19650 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,364,192 km

• M1: 59,839 km (0.075 R)
• M2: 235,168 km (0.115 R)
• M3: 647,460 km (0.112 R)
• M4: 818,899 km (0.104 R)
• M5: 2,204,624 km (0.03 R)
• M6: 2,837,572 km (0.085 R)
• M7: 3,196,159 km (0.045 R)
• M8: 4,003,239 km (0.069 R)
• M9: 4,192,480 km (0.098 R)
• M10: 5,010,182 km (0.063 R)
• M11: 6,216,839 km (0.111 R)
• M12: 6,385,585 km (0.117 R)
• M13: 8,866,217 km (0.095 R)
• M14: 9,352,410 km (0.105 R)
• M15: 10,795,880 km (0.102 R)
• M16: 11,538,933 km (0.105 R)
• M17: 13,828,678 km (0.116 R)
• M18: 14,044,099 km (0.116 R)
• M19: 14,704,124 km (0.081 R)
• M20: 17,719,868 km (0.041 R)
• M21: 22,878,152 km (0.084 R)
• M22: 26,563,196 km (0.086 R)
• M23: 30,141,278 km (0.106 R)
• M24: 30,869,072 km (0.069 R)
• M25: 34,420,675 km (0.114 R)
• M26: 35,483,269 km (0.078 R)
• M27: 41,274,352 km (0.08 R)
• M28: 42,020,995 km (0.097 R)
• M29: 42,776,614 km (0.112 R)
• M30: 43,849,529 km (0.088 R)
• M31: 49,989,026 km (0.12 R)
• M32: 50,837,246 km (0.08 R)
• M33: 53,615,727 km (0.101 R)
• M34: 57,044,660 km (0.077 R)
• M35: 57,414,017 km (0.104 R)
• M36: 62,555,696 km (0.089 R)
• M37: 62,751,819 km (0.09 R)
• M38: 69,036,874 km (0.066 R)
• M39: 70,299,929 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 12,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit