🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.8

Radius: 14.5

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.59 AU - 0.97 AU

Year: 467 Days

Day: 12.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,892,364 km

• M1: 180,265 km (0.082 R)
• M2: 698,622 km (0.051 R)
• M3: 1,173,296 km (0.079 R)
• M4: 1,678,787 km (0.08 R)
• M5: 2,332,231 km (0.071 R)
• M6: 2,845,202 km (0.114 R)
• M7: 3,706,886 km (0.08 R)
• M8: 4,171,985 km (0.11 R)
• M9: 4,631,700 km (0.027 R)
• M10: 5,141,230 km (0.108 R)
• M11: 5,705,513 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.9

Radius: 9.4

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.72 AU - 1.18 AU

Year: 628 Days

Day: 6.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,892,364 km

• M1: 117,434 km (0.033 R)
• M2: 432,637 km (0.103 R)
• M3: 800,498 km (0.109 R)
• M4: 1,638,246 km (0.118 R)
• M5: 1,938,938 km (0.103 R)
• M6: 2,577,571 km (0.078 R)
• M7: 3,755,804 km (0.078 R)
• M8: 5,640,887 km (0.115 R)
• M9: 6,039,864 km (0.09 R)
• M10: 6,746,714 km (0.077 R)
• M11: 7,284,668 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.4

Radius: 14.1

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.95 AU - 1.07 AU

Year: 688 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,892,364 km

• M1: 176,825 km (0.119 R)
• M2: 1,070,223 km (0.074 R)
• M3: 1,590,375 km (0.116 R)
• M4: 2,154,509 km (0.075 R)
• M5: 3,028,459 km (0.104 R)
• M6: 3,554,745 km (0.078 R)
• M7: 4,058,291 km (0.111 R)
• M8: 5,989,450 km (0.104 R)
• M9: 6,687,324 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.2

Radius: 8.2

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.62 AU - 1.82 AU

Year: 1530 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,892,364 km

• M1: 102,026 km (0.102 R)
• M2: 364,869 km (0.071 R)
• M3: 965,505 km (0.117 R)
• M4: 1,489,995 km (0.107 R)
• M5: 1,796,371 km (0.077 R)
• M6: 2,156,753 km (0.088 R)
• M7: 2,564,855 km (0.057 R)
• M8: 4,612,102 km (0.116 R)
• M9: 4,965,303 km (0.103 R)
• M10: 6,036,573 km (0.12 R)
• M11: 6,308,243 km (0.066 R)
• M12: 6,849,488 km (0.028 R)
• M13: 8,629,104 km (0.114 R)
• M14: 9,102,133 km (0.086 R)
• M15: 9,692,446 km (0.101 R)
• M16: 10,134,508 km (0.04 R)
• M17: 10,840,759 km (0.095 R)
• M18: 12,709,536 km (0.116 R)
• M19: 14,169,312 km (0.104 R)
• M20: 14,518,025 km (0.119 R)
• M21: 14,872,572 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.9

Radius: 11.1

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.56 AU - 2.1 AU

Year: 1679 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,892,364 km

• M1: 138,976 km (0.106 R)
• M2: 835,355 km (0.071 R)
• M3: 1,725,611 km (0.035 R)
• M4: 2,098,110 km (0.105 R)
• M5: 2,606,145 km (0.088 R)
• M6: 3,589,751 km (0.117 R)
• M7: 3,980,201 km (0.034 R)
• M8: 4,340,133 km (0.048 R)
• M9: 5,104,279 km (0.106 R)
• M10: 5,907,470 km (0.044 R)
• M11: 7,171,273 km (0.04 R)
• M12: 7,793,899 km (0.069 R)
• M13: 9,948,857 km (0.064 R)
• M14: 11,922,801 km (0.057 R)
• M15: 12,878,881 km (0.103 R)
• M16: 13,459,919 km (0.083 R)
• M17: 14,452,201 km (0.11 R)
• M18: 14,898,452 km (0.119 R)
• M19: 15,446,279 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.8

Radius: 10.5

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.95 AU - 2.03 AU

Year: 1904 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,892,364 km

• M1: 130,599 km (0.108 R)
• M2: 507,436 km (0.065 R)
• M3: 1,560,156 km (0.06 R)
• M4: 2,652,669 km (0.069 R)
• M5: 3,145,445 km (0.07 R)
• M6: 3,483,985 km (0.102 R)
• M7: 3,922,456 km (0.082 R)
• M8: 4,315,749 km (0.099 R)
• M9: 5,251,484 km (0.1 R)
• M10: 5,955,491 km (0.072 R)
• M11: 6,557,623 km (0.115 R)
• M12: 9,871,515 km (0.098 R)
• M13: 10,305,947 km (0.106 R)
• M14: 13,669,505 km (0.066 R)
• M15: 14,164,226 km (0.1 R)
• M16: 15,818,329 km (0.067 R)
• M17: 16,363,763 km (0.118 R)
• M18: 17,024,537 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.2

Radius: 13.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.9 AU - 2.28 AU

Year: 2049 Days

Day: 5.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,892,364 km

• M1: 202,107 km (0.079 R)
• M2: 797,955 km (0.103 R)
• M3: 1,820,456 km (0.03 R)
• M4: 2,257,432 km (0.095 R)
• M5: 3,006,169 km (0.098 R)
• M6: 5,939,185 km (0.095 R)
• M7: 7,041,871 km (0.108 R)
• M8: 8,221,450 km (0.097 R)
• M9: 11,796,540 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 8.3

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.29 AU - 5.39 AU

Year: 8370 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,892,364 km

• M1: 103,372 km (0.08 R)
• M2: 368,160 km (0.104 R)
• M3: 904,918 km (0.108 R)
• M4: 1,244,804 km (0.111 R)
• M5: 1,554,621 km (0.103 R)
• M6: 1,852,022 km (0.077 R)
• M7: 3,048,505 km (0.069 R)
• M8: 4,342,976 km (0.075 R)
• M9: 6,668,923 km (0.106 R)
• M10: 7,421,251 km (0.066 R)
• M11: 7,796,742 km (0.064 R)
• M12: 8,317,193 km (0.113 R)
• M13: 9,379,338 km (0.048 R)
• M14: 10,220,527 km (0.025 R)
• M15: 11,273,696 km (0.081 R)
• M16: 11,714,560 km (0.064 R)
• M17: 12,513,712 km (0.065 R)
• M18: 13,655,892 km (0.101 R)
• M19: 15,870,689 km (0.116 R)
• M20: 16,635,732 km (0.108 R)
• M21: 16,991,625 km (0.046 R)
• M22: 18,014,875 km (0.07 R)
• M23: 23,308,994 km (0.101 R)
• M24: 23,844,554 km (0.087 R)
• M25: 27,035,327 km (0.088 R)
• M26: 29,451,782 km (0.109 R)
• M27: 33,116,331 km (0.09 R)
• M28: 36,353,629 km (0.046 R)
• M29: 39,166,069 km (0.045 R)
• M30: 42,120,328 km (0.118 R)
• M31: 47,179,129 km (0.1 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: 286 - 13,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit