🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.3

Radius: 9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.39 AU - 0.63 AU

Year: 247 Days

Day: 14 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,016,624 km

• M1: 115,340 km (0.097 R)
• M2: 286,779 km (0.103 R)
• M3: 492,925 km (0.099 R)
• M4: 689,048 km (0.095 R)
• M5: 861,085 km (0.086 R)
• M6: 1,038,060 km (0.071 R)
• M7: 1,316,461 km (0.099 R)
• M8: 1,788,143 km (0.107 R)
• M9: 1,992,644 km (0.1 R)
• M10: 2,392,519 km (0.11 R)
• M11: 2,566,800 km (0.086 R)
• M12: 2,741,381 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.5

Radius: 11.7

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.49 AU - 0.55 AU

Year: 254 Days

Day: 9 Hours

Environment

Temp: -145 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,016,624 km

• M1: 148,999 km (0.086 R)
• M2: 430,842 km (0.05 R)
• M3: 760,406 km (0.106 R)
• M4: 979,716 km (0.087 R)
• M5: 2,054,128 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.2

Radius: 10.3

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.61 AU - 0.89 AU

Year: 441 Days

Day: 13.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 162.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,016,624 km

• M1: 128,654 km (0.117 R)
• M2: 447,447 km (0.073 R)
• M3: 793,018 km (0.058 R)
• M4: 1,001,109 km (0.073 R)
• M5: 1,216,829 km (0.088 R)
• M6: 1,467,705 km (0.072 R)
• M7: 1,769,892 km (0.116 R)
• M8: 1,986,211 km (0.077 R)
• M9: 2,259,077 km (0.098 R)
• M10: 2,628,285 km (0.077 R)
• M11: 2,868,988 km (0.055 R)
• M12: 3,620,119 km (0.118 R)
• M13: 3,913,181 km (0.071 R)
• M14: 4,158,073 km (0.101 R)
• M15: 4,503,644 km (0.081 R)
• M16: 4,841,585 km (0.065 R)
• M17: 5,520,909 km (0.078 R)
• M18: 5,919,438 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.3

Radius: 13.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.74 AU - 0.8 AU

Year: 458 Days

Day: 14.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,016,624 km

• M1: 169,644 km (0.099 R)
• M2: 434,731 km (0.109 R)
• M3: 718,519 km (0.09 R)
• M4: 1,155,195 km (0.042 R)
• M5: 1,460,823 km (0.117 R)
• M6: 1,813,874 km (0.051 R)
• M7: 2,103,196 km (0.114 R)
• M8: 2,625,143 km (0.08 R)
• M9: 3,258,990 km (0.028 R)
• M10: 3,572,547 km (0.11 R)
• M11: 3,847,059 km (0.059 R)
• M12: 4,188,591 km (0.111 R)
• M13: 4,496,164 km (0.073 R)
• M14: 4,784,738 km (0.117 R)
• M15: 5,145,419 km (0.059 R)
• M16: 5,454,488 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 9.1

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.84 AU - 1.17 AU

Year: 678 Days

Day: 8.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,016,624 km

• M1: 113,545 km (0.065 R)
• M2: 436,377 km (0.057 R)
• M3: 682,017 km (0.114 R)
• M4: 1,012,927 km (0.116 R)
• M5: 1,221,915 km (0.069 R)
• M6: 1,406,220 km (0.053 R)
• M7: 1,611,767 km (0.076 R)
• M8: 1,870,572 km (0.078 R)
• M9: 2,060,112 km (0.108 R)
• M10: 2,658,653 km (0.113 R)
• M11: 3,072,291 km (0.099 R)
• M12: 3,474,261 km (0.034 R)
• M13: 3,701,351 km (0.113 R)
• M14: 3,879,372 km (0.03 R)
• M15: 4,236,462 km (0.074 R)
• M16: 4,451,285 km (0.062 R)
• M17: 4,708,743 km (0.053 R)
• M18: 5,444,914 km (0.102 R)
• M19: 5,647,768 km (0.08 R)
• M20: 6,221,626 km (0.113 R)
• M21: 6,748,659 km (0.109 R)
• M22: 7,359,916 km (0.105 R)
• M23: 8,112,543 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.2

Radius: 8.4

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.02 AU - 1.5 AU

Year: 959 Days

Day: 13.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,016,624 km

• M1: 104,569 km (0.118 R)
• M2: 285,283 km (0.078 R)
• M3: 527,781 km (0.117 R)
• M4: 684,560 km (0.112 R)
• M5: 1,261,858 km (0.111 R)
• M6: 1,566,439 km (0.102 R)
• M7: 2,045,452 km (0.065 R)
• M8: 2,493,049 km (0.08 R)
• M9: 3,274,099 km (0.084 R)
• M10: 4,281,341 km (0.053 R)
• M11: 4,997,167 km (0.113 R)
• M12: 5,442,071 km (0.117 R)
• M13: 5,784,650 km (0.077 R)
• M14: 6,294,929 km (0.081 R)
• M15: 6,614,769 km (0.102 R)
• M16: 6,826,899 km (0.041 R)
• M17: 8,316,744 km (0.053 R)
• M18: 9,366,921 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.4

Radius: 11.8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.83 AU - 1.99 AU

Year: 1790 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,016,624 km

• M1: 271,520 km (0.083 R)
• M2: 607,068 km (0.081 R)
• M3: 1,261,409 km (0.109 R)
• M4: 1,912,310 km (0.083 R)
• M5: 2,412,864 km (0.065 R)
• M6: 3,541,730 km (0.114 R)
• M7: 3,782,582 km (0.084 R)
• M8: 5,128,365 km (0.116 R)
• M9: 5,474,684 km (0.045 R)
• M10: 5,699,380 km (0.113 R)
• M11: 6,603,699 km (0.087 R)
• M12: 7,060,272 km (0.08 R)
• M13: 7,380,561 km (0.096 R)
• M14: 8,500,600 km (0.103 R)
• M15: 9,138,784 km (0.081 R)
• M16: 12,768,029 km (0.115 R)
• M17: 13,026,085 km (0.101 R)
• M18: 13,491,185 km (0.075 R)
• M19: 14,629,026 km (0.055 R)
• M20: 15,246,417 km (0.106 R)
• M21: 16,100,620 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.8

Radius: 14.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.14 AU - 4.34 AU

Year: 5922 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,016,624 km

• M1: 209,287 km (0.102 R)
• M2: 750,233 km (0.092 R)
• M3: 1,094,308 km (0.103 R)
• M4: 1,781,561 km (0.072 R)
• M5: 2,625,293 km (0.048 R)
• M6: 2,994,351 km (0.117 R)
• M7: 4,614,197 km (0.096 R)
• M8: 5,548,735 km (0.116 R)
• M9: 7,018,534 km (0.114 R)
• M10: 8,384,063 km (0.109 R)
• M11: 9,145,815 km (0.094 R)
• M12: 9,473,285 km (0.039 R)
• M13: 10,077,212 km (0.093 R)
• M14: 11,487,620 km (0.077 R)
• M15: 11,817,933 km (0.067 R)
• M16: 12,683,506 km (0.11 R)
• M17: 13,739,218 km (0.112 R)
• M18: 15,297,579 km (0.109 R)
• M19: 15,892,979 km (0.072 R)
• M20: 18,067,683 km (0.101 R)
• M21: 18,389,917 km (0.081 R)
• M22: 18,714,993 km (0.073 R)
• M23: 20,676,520 km (0.031 R)
• M24: 21,070,710 km (0.072 R)
• M25: 21,921,025 km (0.041 R)
• M26: 23,777,534 km (0.056 R)
• M27: 24,253,405 km (0.098 R)
• M28: 25,328,266 km (0.089 R)
• M29: 28,347,450 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.7

Radius: 5.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.08 AU - 6.72 AU

Year: 9720 Days

Day: 18.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,016,624 km

• M1: 100,380 km (0.08 R)
• M2: 232,325 km (0.104 R)
• M3: 378,034 km (0.089 R)
• M4: 518,955 km (0.111 R)
• M5: 806,183 km (0.112 R)
• M6: 1,369,120 km (0.111 R)
• M7: 1,541,008 km (0.095 R)
• M8: 1,902,287 km (0.062 R)
• M9: 2,060,860 km (0.074 R)
• M10: 2,272,242 km (0.113 R)
• M11: 2,559,620 km (0.117 R)
• M12: 2,709,816 km (0.081 R)
• M13: 5,110,114 km (0.09 R)
• M14: 5,275,270 km (0.097 R)
• M15: 6,479,383 km (0.117 R)
• M16: 6,963,182 km (0.105 R)
• M17: 7,183,839 km (0.077 R)
• M18: 10,102,643 km (0.087 R)
• M19: 10,469,158 km (0.1 R)
• M20: 13,713,786 km (0.119 R)
• M21: 17,398,232 km (0.098 R)
• M22: 17,834,759 km (0.096 R)
• M23: 18,814,326 km (0.08 R)
• M24: 21,090,308 km (0.053 R)
• M25: 21,474,326 km (0.026 R)
• M26: 21,667,606 km (0.116 R)
• M27: 23,245,265 km (0.045 R)
• M28: 23,395,910 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.5

Radius: 3.7

Gravity: 68.99 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.32 AU - 9.04 AU

Year: 17345 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 77,016,624 km

• M1: 90,357 km (0.098 R)
• M2: 246,238 km (0.072 R)
• M3: 332,406 km (0.098 R)
• M4: 683,363 km (0.11 R)
• M5: 2,041,113 km (0.107 R)
• M6: 4,260,547 km (0.06 R)
• M7: 5,011,828 km (0.08 R)
• M8: 5,824,593 km (0.083 R)
• M9: 6,210,556 km (0.099 R)
• M10: 6,386,034 km (0.119 R)
• M11: 7,683,496 km (0.104 R)
• M12: 7,780,735 km (0.098 R)
• M13: 8,175,972 km (0.118 R)
• M14: 8,581,233 km (0.074 R)
• M15: 8,684,007 km (0.087 R)
• M16: 9,048,876 km (0.116 R)
• M17: 9,637,244 km (0.046 R)
• M18: 9,800,904 km (0.114 R)
• M19: 10,076,913 km (0.096 R)
• M20: 10,640,298 km (0.033 R)
• M21: 10,927,825 km (0.083 R)
• M22: 11,277,884 km (0.1 R)
• M23: 12,299,787 km (0.118 R)
• M24: 12,608,857 km (0.066 R)
• M25: 14,277,920 km (0.104 R)
• M26: 19,675,411 km (0.104 R)
• M27: 23,414,311 km (0.1 R)
• M28: 25,229,531 km (0.11 R)
• M29: 25,494,469 km (0.094 R)
• M30: 25,583,031 km (0.078 R)
• M31: 26,207,453 km (0.088 R)
• M32: 39,615,760 km (0.048 R)
• M33: 41,176,066 km (0.091 R)
• M34: 42,309,120 km (0.101 R)
• M35: 42,537,556 km (0.03 R)
• M36: 44,855,874 km (0.088 R)
• M37: 45,445,140 km (0.097 R)
• M38: 45,681,954 km (0.107 R)
• M39: 53,969,227 km (0.057 R)
• M40: 54,615,340 km (0.067 R)
• M41: 55,265,493 km (0.116 R)
• M42: 58,171,282 km (0.036 R)
• M43: 62,530,863 km (0.099 R)
• M44: 63,785,391 km (0.096 R)
• M45: 64,206,359 km (0.085 R)
• M46: 65,194,004 km (0.068 R)
• M47: 66,904,506 km (0.117 R)
• M48: 72,916,396 km (0.108 R)
• M49: 75,028,418 km (0.099 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: 494 - 19,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit