🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.5

Radius: 8

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.49 AU - 0.57 AU

Year: 257 Days

Day: 8.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,539,495 km

• M1: 99,483 km (0.057 R)
• M2: 402,568 km (0.111 R)
• M3: 716,574 km (0.12 R)
• M4: 1,010,534 km (0.058 R)
• M5: 1,260,063 km (0.119 R)
• M6: 1,551,480 km (0.119 R)
• M7: 1,837,062 km (0.067 R)
• M8: 2,785,662 km (0.118 R)
• M9: 3,054,340 km (0.09 R)
• M10: 3,541,131 km (0.03 R)
• M11: 3,905,851 km (0.109 R)
• M12: 4,321,434 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.2

Radius: 14.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.77 AU - 0.95 AU

Year: 532 Days

Day: 8.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,539,495 km

• M1: 177,872 km (0.082 R)
• M2: 741,257 km (0.106 R)
• M3: 1,287,290 km (0.083 R)
• M4: 1,848,581 km (0.097 R)
• M5: 2,302,760 km (0.074 R)
• M6: 3,053,442 km (0.112 R)
• M7: 3,556,241 km (0.099 R)
• M8: 4,624,369 km (0.069 R)
• M9: 5,275,270 km (0.104 R)
• M10: 6,151,315 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.1

Radius: 8.3

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.45 AU - 1.73 AU

Year: 1337 Days

Day: 12.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,539,495 km

• M1: 103,671 km (0.103 R)
• M2: 466,895 km (0.102 R)
• M3: 857,944 km (0.074 R)
• M4: 1,265,897 km (0.103 R)
• M5: 1,598,154 km (0.114 R)
• M6: 2,077,765 km (0.11 R)
• M7: 2,452,358 km (0.099 R)
• M8: 2,987,021 km (0.11 R)
• M9: 3,254,651 km (0.094 R)
• M10: 3,567,760 km (0.073 R)
• M11: 4,205,196 km (0.072 R)
• M12: 4,735,820 km (0.047 R)
• M13: 5,045,338 km (0.101 R)
• M14: 5,466,007 km (0.083 R)
• M15: 6,598,313 km (0.029 R)
• M16: 7,267,315 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.1

Radius: 14.6

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.04 AU - 2.84 AU

Year: 2542 Days

Day: 7.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,539,495 km

• M1: 181,612 km (0.104 R)
• M2: 658,530 km (0.105 R)
• M3: 1,169,257 km (0.099 R)
• M4: 2,076,718 km (0.094 R)
• M5: 3,492,213 km (0.118 R)
• M6: 4,097,635 km (0.114 R)
• M7: 4,829,019 km (0.114 R)
• M8: 5,500,564 km (0.114 R)
• M9: 6,256,183 km (0.092 R)
• M10: 6,789,799 km (0.119 R)
• M11: 7,583,116 km (0.075 R)
• M12: 9,474,183 km (0.075 R)
• M13: 11,119,759 km (0.032 R)
• M14: 11,662,650 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.5

Radius: 12.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.28 AU - 2.78 AU

Year: 2684 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,539,495 km

• M1: 155,731 km (0.074 R)
• M2: 584,479 km (0.084 R)
• M3: 991,535 km (0.081 R)
• M4: 1,386,473 km (0.073 R)
• M5: 2,243,370 km (0.04 R)
• M6: 2,671,818 km (0.083 R)
• M7: 4,138,027 km (0.068 R)
• M8: 4,788,927 km (0.094 R)
• M9: 5,458,677 km (0.091 R)
• M10: 6,430,016 km (0.064 R)
• M11: 7,393,725 km (0.039 R)
• M12: 8,648,103 km (0.062 R)
• M13: 9,291,524 km (0.079 R)
• M14: 11,099,264 km (0.069 R)
• M15: 12,357,682 km (0.079 R)
• M16: 13,262,749 km (0.104 R)
• M17: 15,399,455 km (0.042 R)
• M18: 15,892,679 km (0.055 R)
• M19: 16,549,713 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.3

Radius: 10.2

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.06 AU - 3.28 AU

Year: 3764 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,539,495 km

• M1: 126,859 km (0.111 R)
• M2: 631,153 km (0.076 R)
• M3: 987,047 km (0.062 R)
• M4: 1,718,431 km (0.062 R)
• M5: 2,147,029 km (0.109 R)
• M6: 3,509,716 km (0.068 R)
• M7: 4,006,979 km (0.041 R)
• M8: 4,718,466 km (0.111 R)
• M9: 5,955,192 km (0.101 R)
• M10: 6,303,157 km (0.101 R)
• M11: 7,462,391 km (0.108 R)
• M12: 8,040,287 km (0.086 R)
• M13: 8,647,804 km (0.037 R)
• M14: 9,362,732 km (0.107 R)
• M15: 12,109,200 km (0.112 R)
• M16: 15,298,626 km (0.079 R)
• M17: 15,678,306 km (0.097 R)
• M18: 16,683,753 km (0.031 R)
• M19: 17,144,215 km (0.09 R)
• M20: 22,364,732 km (0.064 R)
• M21: 23,927,282 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.7

Radius: 11.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.85 AU - 4.65 AU

Year: 4843 Days

Day: 10.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,539,495 km

• M1: 141,819 km (0.116 R)
• M2: 498,909 km (0.074 R)
• M3: 1,056,161 km (0.079 R)
• M4: 1,728,753 km (0.094 R)
• M5: 2,196,994 km (0.1 R)
• M6: 2,607,042 km (0.12 R)
• M7: 3,245,825 km (0.025 R)
• M8: 4,113,193 km (0.095 R)
• M9: 4,578,592 km (0.095 R)
• M10: 5,563,096 km (0.111 R)
• M11: 6,161,936 km (0.093 R)
• M12: 7,171,572 km (0.072 R)
• M13: 8,461,854 km (0.115 R)
• M14: 9,329,372 km (0.055 R)
• M15: 9,940,031 km (0.089 R)
• M16: 10,947,273 km (0.063 R)
• M17: 12,607,061 km (0.081 R)
• M18: 12,976,867 km (0.115 R)
• M19: 13,641,381 km (0.07 R)
• M20: 16,805,077 km (0.117 R)
• M21: 19,988,071 km (0.104 R)
• M22: 21,132,794 km (0.093 R)
• M23: 21,655,339 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 12.8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.12 AU - 6.3 AU

Year: 7930 Days

Day: 14.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,539,495 km

• M1: 160,668 km (0.093 R)
• M2: 628,461 km (0.12 R)
• M3: 1,056,011 km (0.105 R)
• M4: 1,922,183 km (0.044 R)
• M5: 2,337,766 km (0.056 R)
• M6: 2,753,498 km (0.112 R)
• M7: 3,401,257 km (0.103 R)
• M8: 4,705,900 km (0.052 R)
• M9: 6,536,829 km (0.061 R)
• M10: 10,065,094 km (0.094 R)
• M11: 10,511,644 km (0.057 R)
• M12: 11,075,179 km (0.103 R)
• M13: 13,895,697 km (0.087 R)
• M14: 14,449,958 km (0.069 R)
• M15: 15,276,635 km (0.115 R)
• M16: 15,800,976 km (0.037 R)
• M17: 18,530,838 km (0.098 R)
• M18: 23,582,160 km (0.028 R)
• M19: 25,269,324 km (0.091 R)
• M20: 29,990,334 km (0.081 R)
• M21: 35,496,433 km (0.096 R)
• M22: 37,353,990 km (0.103 R)
• M23: 44,101,452 km (0.102 R)

Asteroid Belt

Center: 6.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.3

Radius: 3.6

Gravity: 43.46 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.72 AU - 7.78 AU

Year: 13018 Days

Day: 17.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 126.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,539,495 km

• M1: 44,879 km (0.093 R)
• M2: 276,457 km (0.097 R)
• M3: 505,641 km (0.108 R)
• M4: 670,498 km (0.066 R)
• M5: 831,465 km (0.078 R)
• M6: 1,006,794 km (0.069 R)
• M7: 1,145,172 km (0.071 R)
• M8: 1,257,221 km (0.111 R)
• M9: 1,797,718 km (0.063 R)
• M10: 2,318,767 km (0.068 R)
• M11: 2,798,677 km (0.036 R)
• M12: 3,242,534 km (0.032 R)
• M13: 4,093,596 km (0.025 R)
• M14: 4,357,636 km (0.074 R)
• M15: 4,509,029 km (0.104 R)
• M16: 6,893,320 km (0.059 R)
• M17: 8,190,633 km (0.045 R)
• M18: 10,374,612 km (0.117 R)
• M19: 12,488,131 km (0.11 R)
• M20: 14,199,979 km (0.071 R)
• M21: 17,694,735 km (0.032 R)
• M22: 19,191,163 km (0.115 R)
• M23: 20,178,359 km (0.12 R)
• M24: 21,372,449 km (0.083 R)
• M25: 21,634,395 km (0.101 R)
• M26: 22,793,928 km (0.082 R)
• M27: 24,466,881 km (0.11 R)
• M28: 31,188,463 km (0.109 R)
• M29: 34,787,489 km (0.107 R)
• M30: 35,271,139 km (0.091 R)
• M31: 36,874,080 km (0.118 R)
• M32: 44,334,975 km (0.094 R)
• M33: 45,620,768 km (0.098 R)
• M34: 48,717,145 km (0.063 R)
• M35: 51,324,037 km (0.073 R)
• M36: 51,480,218 km (0.117 R)
• M37: 53,059,522 km (0.117 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 12,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit