🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.9

Radius: 8

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.87 AU - 1.43 AU

Year: 796 Days

Day: 13.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,074,426 km

• M1: 99,782 km (0.11 R)
• M2: 376,987 km (0.076 R)
• M3: 663,317 km (0.118 R)
• M4: 1,073,814 km (0.097 R)
• M5: 1,327,083 km (0.097 R)
• M6: 1,779,317 km (0.086 R)
• M7: 2,037,074 km (0.117 R)
• M8: 2,364,095 km (0.097 R)
• M9: 3,004,972 km (0.1 R)
• M10: 3,665,597 km (0.114 R)
• M11: 4,103,021 km (0.089 R)
• M12: 4,933,738 km (0.065 R)
• M13: 5,330,621 km (0.099 R)
• M14: 5,586,882 km (0.052 R)
• M15: 8,305,524 km (0.099 R)
• M16: 9,088,669 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.1

Radius: 12.2

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.25 AU - 1.59 AU

Year: 1093 Days

Day: 13.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,074,426 km

• M1: 151,692 km (0.043 R)
• M2: 562,787 km (0.118 R)
• M3: 954,584 km (0.05 R)
• M4: 1,400,086 km (0.109 R)
• M5: 1,876,107 km (0.093 R)
• M6: 2,568,446 km (0.096 R)
• M7: 2,995,548 km (0.098 R)
• M8: 3,380,164 km (0.099 R)
• M9: 4,664,462 km (0.102 R)
• M10: 5,387,019 km (0.096 R)
• M11: 6,228,059 km (0.069 R)
• M12: 7,638,318 km (0.092 R)
• M13: 8,198,263 km (0.105 R)
• M14: 8,643,167 km (0.045 R)
• M15: 9,104,227 km (0.1 R)
• M16: 9,795,669 km (0.103 R)
• M17: 10,233,392 km (0.118 R)
• M18: 10,749,804 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.7

Radius: 9

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.14 AU - 3.5 AU

Year: 3058 Days

Day: 11.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,074,426 km

• M1: 112,647 km (0.073 R)
• M2: 446,998 km (0.088 R)
• M3: 734,825 km (0.048 R)
• M4: 1,017,714 km (0.064 R)
• M5: 1,482,515 km (0.079 R)
• M6: 1,816,717 km (0.102 R)
• M7: 2,609,436 km (0.111 R)
• M8: 4,440,663 km (0.105 R)
• M9: 6,682,537 km (0.106 R)
• M10: 8,177,169 km (0.072 R)
• M11: 9,373,055 km (0.068 R)
• M12: 10,917,952 km (0.108 R)
• M13: 12,236,358 km (0.107 R)
• M14: 14,552,282 km (0.089 R)
• M15: 15,335,278 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.8

Radius: 14.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.61 AU - 3.93 AU

Year: 3818 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 92 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,074,426 km

• M1: 181,612 km (0.087 R)
• M2: 1,083,687 km (0.105 R)
• M3: 2,338,813 km (0.063 R)
• M4: 2,913,269 km (0.12 R)
• M5: 4,328,315 km (0.118 R)
• M6: 6,686,426 km (0.049 R)
• M7: 8,437,320 km (0.109 R)
• M8: 9,802,550 km (0.12 R)
• M9: 10,517,777 km (0.051 R)
• M10: 10,971,957 km (0.1 R)
• M11: 13,978,575 km (0.029 R)
• M12: 17,785,990 km (0.079 R)
• M13: 19,647,137 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.5

Radius: 14

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.56 AU - 4.26 AU

Year: 4992 Days

Day: 11.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,074,426 km

• M1: 174,132 km (0.082 R)
• M2: 1,885,382 km (0.09 R)
• M3: 2,404,935 km (0.105 R)
• M4: 3,194,663 km (0.111 R)
• M5: 3,962,548 km (0.078 R)
• M6: 4,594,001 km (0.032 R)
• M7: 5,786,894 km (0.08 R)
• M8: 6,255,884 km (0.104 R)
• M9: 7,719,699 km (0.105 R)
• M10: 8,708,690 km (0.073 R)
• M11: 9,703,815 km (0.102 R)
• M12: 12,365,311 km (0.092 R)
• M13: 14,708,163 km (0.096 R)
• M14: 15,324,357 km (0.096 R)
• M15: 16,118,871 km (0.096 R)
• M16: 18,254,680 km (0.093 R)
• M17: 19,268,804 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 14.1

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.6 AU - 5.84 AU

Year: 6621 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,074,426 km

• M1: 182,210 km (0.072 R)
• M2: 631,901 km (0.109 R)
• M3: 1,439,431 km (0.111 R)
• M4: 1,957,039 km (0.108 R)
• M5: 2,477,490 km (0.103 R)
• M6: 3,554,595 km (0.041 R)
• M7: 4,114,091 km (0.087 R)
• M8: 4,759,307 km (0.05 R)
• M9: 5,622,187 km (0.078 R)
• M10: 7,772,806 km (0.115 R)
• M11: 8,237,906 km (0.085 R)
• M12: 12,605,416 km (0.119 R)
• M13: 14,313,225 km (0.117 R)
• M14: 15,922,449 km (0.109 R)
• M15: 16,484,788 km (0.088 R)
• M16: 18,868,031 km (0.1 R)
• M17: 19,997,795 km (0.032 R)
• M18: 22,782,559 km (0.091 R)
• M19: 25,902,423 km (0.057 R)
• M20: 28,103,905 km (0.109 R)
• M21: 29,670,494 km (0.059 R)
• M22: 31,294,678 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 10.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.15 AU - 5.85 AU

Year: 8328 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,074,426 km

• M1: 135,685 km (0.076 R)
• M2: 552,016 km (0.117 R)
• M3: 975,378 km (0.092 R)
• M4: 1,338,303 km (0.104 R)
• M5: 2,489,159 km (0.09 R)
• M6: 3,422,799 km (0.033 R)
• M7: 4,182,308 km (0.089 R)
• M8: 4,656,832 km (0.041 R)
• M9: 5,809,484 km (0.052 R)
• M10: 6,747,762 km (0.086 R)
• M11: 8,138,872 km (0.081 R)
• M12: 8,545,778 km (0.104 R)
• M13: 9,181,569 km (0.11 R)
• M14: 11,279,679 km (0.114 R)
• M15: 15,580,319 km (0.091 R)
• M16: 16,145,350 km (0.051 R)
• M17: 18,403,979 km (0.109 R)
• M18: 18,823,451 km (0.101 R)
• M19: 19,973,111 km (0.1 R)
• M20: 20,490,570 km (0.079 R)
• M21: 21,245,291 km (0.105 R)
• M22: 22,018,563 km (0.026 R)
• M23: 22,970,903 km (0.061 R)
• M24: 27,599,610 km (0.109 R)
• M25: 28,334,435 km (0.097 R)
• M26: 29,271,217 km (0.109 R)
• M27: 30,519,761 km (0.092 R)
• M28: 34,057,302 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.5

Radius: 6.4

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 9.03 AU - 12.81 AU

Year: 23300 Days

Day: 24.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,074,426 km

• M1: 80,633 km (0.103 R)
• M2: 920,775 km (0.054 R)
• M3: 1,328,728 km (0.116 R)
• M4: 1,813,725 km (0.106 R)
• M5: 2,170,067 km (0.066 R)
• M6: 2,455,799 km (0.117 R)
• M7: 2,741,531 km (0.118 R)
• M8: 3,351,740 km (0.087 R)
• M9: 5,725,559 km (0.079 R)
• M10: 5,974,041 km (0.107 R)
• M11: 6,993,850 km (0.09 R)
• M12: 8,281,140 km (0.092 R)
• M13: 10,313,726 km (0.087 R)
• M14: 13,079,491 km (0.071 R)
• M15: 16,057,237 km (0.087 R)
• M16: 22,379,841 km (0.07 R)
• M17: 23,520,525 km (0.093 R)
• M18: 24,266,420 km (0.093 R)
• M19: 24,699,506 km (0.039 R)
• M20: 26,030,179 km (0.111 R)
• M21: 27,174,752 km (0.078 R)
• M22: 27,407,676 km (0.104 R)
• M23: 28,233,457 km (0.049 R)
• M24: 28,472,364 km (0.074 R)
• M25: 35,723,523 km (0.111 R)
• M26: 36,708,326 km (0.091 R)
• M27: 46,400,323 km (0.093 R)
• M28: 47,067,529 km (0.095 R)
• M29: 52,097,907 km (0.108 R)
• M30: 53,181,594 km (0.053 R)
• M31: 58,244,585 km (0.117 R)
• M32: 60,198,482 km (0.101 R)
• M33: 64,650,066 km (0.108 R)
• M34: 65,691,417 km (0.113 R)
• M35: 66,955,818 km (0.072 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 19,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit