🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.1

Radius: 8.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.58 AU - 0.68 AU

Year: 333 Days

Day: 10.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,829,137 km

• M1: 111,899 km (0.107 R)
• M2: 408,701 km (0.106 R)
• M3: 921,672 km (0.053 R)
• M4: 1,703,471 km (0.039 R)
• M5: 2,425,281 km (0.081 R)
• M6: 2,873,476 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.8

Radius: 14.7

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.55 AU - 0.83 AU

Year: 382 Days

Day: 12 Hours

Environment

Temp: -159 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,829,137 km

• M1: 182,809 km (0.093 R)
• M2: 700,866 km (0.025 R)
• M3: 1,256,473 km (0.037 R)
• M4: 2,086,890 km (0.119 R)
• M5: 2,574,879 km (0.058 R)
• M6: 3,423,547 km (0.065 R)
• M7: 4,858,490 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.6

Radius: 9.9

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.22 AU - 1.28 AU

Year: 932 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,829,137 km

• M1: 123,867 km (0.097 R)
• M2: 457,470 km (0.118 R)
• M3: 823,387 km (0.101 R)
• M4: 1,164,470 km (0.113 R)
• M5: 1,484,609 km (0.093 R)
• M6: 1,874,162 km (0.068 R)
• M7: 2,399,550 km (0.112 R)
• M8: 2,747,664 km (0.096 R)
• M9: 3,369,842 km (0.052 R)
• M10: 3,745,781 km (0.089 R)
• M11: 4,600,583 km (0.106 R)
• M12: 4,931,643 km (0.099 R)
• M13: 5,600,795 km (0.098 R)
• M14: 6,307,046 km (0.116 R)
• M15: 6,624,044 km (0.118 R)
• M16: 6,975,599 km (0.107 R)
• M17: 7,690,827 km (0.07 R)
• M18: 8,645,560 km (0.059 R)
• M19: 9,266,990 km (0.063 R)
• M20: 9,917,740 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.7

Radius: 14

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.18 AU - 1.34 AU

Year: 943 Days

Day: 8 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,829,137 km

• M1: 174,132 km (0.074 R)
• M2: 641,775 km (0.073 R)
• M3: 1,111,213 km (0.111 R)
• M4: 1,667,867 km (0.069 R)
• M5: 2,189,963 km (0.109 R)
• M6: 2,795,835 km (0.053 R)
• M7: 4,144,609 km (0.092 R)
• M8: 5,099,043 km (0.115 R)
• M9: 5,743,212 km (0.079 R)
• M10: 6,882,250 km (0.058 R)
• M11: 8,193,475 km (0.064 R)
• M12: 8,908,703 km (0.114 R)
• M13: 9,428,107 km (0.089 R)
• M14: 9,876,302 km (0.104 R)
• M15: 10,464,371 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.3

Radius: 8.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.37 AU - 1.73 AU

Year: 1287 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 92.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,829,137 km

• M1: 113,994 km (0.056 R)
• M2: 468,989 km (0.085 R)
• M3: 765,792 km (0.053 R)
• M4: 1,272,031 km (0.096 R)
• M5: 1,642,585 km (0.071 R)
• M6: 2,040,365 km (0.099 R)
• M7: 2,635,316 km (0.105 R)
• M8: 3,019,633 km (0.071 R)
• M9: 3,329,151 km (0.1 R)
• M10: 3,607,403 km (0.067 R)
• M11: 3,915,126 km (0.117 R)
• M12: 5,241,610 km (0.097 R)
• M13: 5,619,943 km (0.094 R)
• M14: 6,146,528 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.9

Radius: 10

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.79 AU - 2.17 AU

Year: 1858 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,829,137 km

• M1: 124,316 km (0.05 R)
• M2: 703,110 km (0.048 R)
• M3: 1,120,039 km (0.102 R)
• M4: 1,472,043 km (0.066 R)
• M5: 1,964,370 km (0.094 R)
• M6: 2,784,764 km (0.112 R)
• M7: 3,109,541 km (0.04 R)
• M8: 3,559,831 km (0.047 R)
• M9: 4,374,840 km (0.097 R)
• M10: 4,899,629 km (0.087 R)
• M11: 7,514,002 km (0.098 R)
• M12: 7,913,877 km (0.068 R)
• M13: 10,338,110 km (0.065 R)
• M14: 11,160,151 km (0.091 R)
• M15: 12,063,722 km (0.116 R)
• M16: 13,015,164 km (0.068 R)
• M17: 14,101,694 km (0.089 R)
• M18: 14,755,436 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.4

Radius: 10.3

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.63 AU - 4.33 AU

Year: 4329 Days

Day: 7 Hours

Environment

Temp: -211 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,829,137 km

• M1: 128,056 km (0.075 R)
• M2: 489,634 km (0.061 R)
• M3: 1,054,067 km (0.104 R)
• M4: 1,569,730 km (0.114 R)
• M5: 1,980,077 km (0.055 R)
• M6: 2,525,212 km (0.101 R)
• M7: 2,860,012 km (0.111 R)
• M8: 3,379,117 km (0.078 R)
• M9: 3,851,696 km (0.046 R)
• M10: 4,344,621 km (0.1 R)
• M11: 4,679,870 km (0.089 R)
• M12: 5,375,799 km (0.114 R)
• M13: 5,905,675 km (0.1 R)
• M14: 6,470,258 km (0.073 R)
• M15: 7,070,295 km (0.104 R)
• M16: 9,447,255 km (0.089 R)
• M17: 13,086,074 km (0.117 R)
• M18: 15,768,364 km (0.112 R)
• M19: 19,241,428 km (0.074 R)
• M20: 19,692,465 km (0.053 R)
• M21: 20,216,357 km (0.053 R)
• M22: 20,682,504 km (0.102 R)
• M23: 21,360,781 km (0.095 R)
• M24: 21,844,431 km (0.11 R)
• M25: 22,547,989 km (0.078 R)
• M26: 24,372,784 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.2

Radius: 11.2

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.84 AU - 4.2 AU

Year: 4404 Days

Day: 13 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,829,137 km

• M1: 139,276 km (0.107 R)
• M2: 547,229 km (0.09 R)
• M3: 940,073 km (0.069 R)
• M4: 1,290,880 km (0.117 R)
• M5: 1,886,579 km (0.108 R)
• M6: 2,333,577 km (0.103 R)
• M7: 2,959,644 km (0.078 R)
• M8: 3,980,351 km (0.09 R)
• M9: 4,424,955 km (0.113 R)
• M10: 4,981,160 km (0.075 R)
• M11: 6,111,821 km (0.053 R)
• M12: 7,475,256 km (0.114 R)
• M13: 8,340,380 km (0.119 R)
• M14: 8,992,627 km (0.043 R)
• M15: 9,844,886 km (0.097 R)
• M16: 11,757,196 km (0.054 R)
• M17: 13,435,684 km (0.062 R)
• M18: 16,480,449 km (0.113 R)
• M19: 18,068,730 km (0.077 R)
• M20: 19,556,780 km (0.119 R)
• M21: 20,025,470 km (0.094 R)
• M22: 20,433,124 km (0.115 R)
• M23: 21,547,479 km (0.101 R)
• M24: 22,775,229 km (0.105 R)
• M25: 23,219,534 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850

Radius: 8.6

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.38 AU - 5.08 AU

Year: 5801 Days

Day: 5.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,829,137 km

• M1: 106,962 km (0.102 R)
• M2: 513,869 km (0.103 R)
• M3: 833,709 km (0.1 R)
• M4: 1,498,671 km (0.107 R)
• M5: 2,462,381 km (0.081 R)
• M6: 2,849,241 km (0.068 R)
• M7: 3,516,448 km (0.062 R)
• M8: 4,518,903 km (0.096 R)
• M9: 5,515,973 km (0.109 R)
• M10: 9,427,508 km (0.055 R)
• M11: 12,307,267 km (0.092 R)
• M12: 12,624,116 km (0.118 R)
• M13: 14,759,176 km (0.108 R)
• M14: 18,465,314 km (0.076 R)
• M15: 20,978,558 km (0.119 R)
• M16: 22,670,061 km (0.081 R)
• M17: 27,562,211 km (0.078 R)
• M18: 31,122,790 km (0.09 R)
• M19: 32,408,135 km (0.057 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 14,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit