🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.8

Radius: 13.4

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.92 AU - 1.44 AU

Year: 885 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,438,639 km

• M1: 167,849 km (0.102 R)
• M2: 603,478 km (0.045 R)
• M3: 1,092,064 km (0.084 R)
• M4: 2,315,925 km (0.12 R)
• M5: 3,271,855 km (0.057 R)
• M6: 5,511,634 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.9

Radius: 14

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.31 AU - 1.69 AU

Year: 1268 Days

Day: 12 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,438,639 km

• M1: 174,132 km (0.109 R)
• M2: 803,939 km (0.108 R)
• M3: 1,270,535 km (0.088 R)
• M4: 1,807,142 km (0.118 R)
• M5: 2,374,417 km (0.05 R)
• M6: 3,636,425 km (0.094 R)
• M7: 4,236,163 km (0.073 R)
• M8: 5,345,132 km (0.036 R)
• M9: 6,040,313 km (0.099 R)
• M10: 6,840,213 km (0.048 R)
• M11: 7,636,523 km (0.091 R)
• M12: 8,572,556 km (0.099 R)
• M13: 9,247,243 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731

Radius: 11.3

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.36 AU - 1.94 AU

Year: 1463 Days

Day: 10.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,438,639 km

• M1: 140,921 km (0.078 R)
• M2: 773,720 km (0.071 R)
• M3: 1,450,651 km (0.114 R)
• M4: 1,843,195 km (0.117 R)
• M5: 2,491,553 km (0.099 R)
• M6: 2,848,942 km (0.071 R)
• M7: 3,348,300 km (0.026 R)
• M8: 4,372,596 km (0.034 R)
• M9: 5,248,342 km (0.113 R)
• M10: 5,728,252 km (0.107 R)
• M11: 7,588,801 km (0.034 R)
• M12: 8,175,075 km (0.036 R)
• M13: 10,417,397 km (0.102 R)
• M14: 11,571,246 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.7

Radius: 9.4

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.4 AU - 2.2 AU

Year: 1667 Days

Day: 8.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,438,639 km

• M1: 117,883 km (0.025 R)
• M2: 431,291 km (0.065 R)
• M3: 750,832 km (0.11 R)
• M4: 1,196,933 km (0.099 R)
• M5: 1,763,609 km (0.114 R)
• M6: 2,120,699 km (0.104 R)
• M7: 2,796,583 km (0.109 R)
• M8: 3,333,041 km (0.069 R)
• M9: 3,727,829 km (0.057 R)
• M10: 4,416,877 km (0.111 R)
• M11: 5,039,803 km (0.073 R)
• M12: 5,471,991 km (0.111 R)
• M13: 6,118,553 km (0.034 R)
• M14: 7,076,428 km (0.087 R)
• M15: 8,336,491 km (0.082 R)
• M16: 8,849,462 km (0.104 R)
• M17: 12,731,676 km (0.065 R)
• M18: 13,453,037 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.2

Radius: 14.4

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.82 AU - 2.24 AU

Year: 1996 Days

Day: 6.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,438,639 km

• M1: 180,714 km (0.096 R)
• M2: 1,223,561 km (0.104 R)
• M3: 1,799,962 km (0.062 R)
• M4: 2,683,337 km (0.061 R)
• M5: 3,450,325 km (0.081 R)
• M6: 4,300,041 km (0.091 R)
• M7: 5,807,389 km (0.034 R)
• M8: 6,260,072 km (0.102 R)
• M9: 7,732,714 km (0.095 R)
• M10: 8,792,615 km (0.061 R)
• M11: 9,947,062 km (0.032 R)
• M12: 12,147,048 km (0.091 R)
• M13: 12,723,299 km (0.115 R)
• M14: 14,885,736 km (0.104 R)
• M15: 16,976,815 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.7

Radius: 10

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.9 AU - 2.42 AU

Year: 2191 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,438,639 km

• M1: 124,465 km (0.079 R)
• M2: 582,684 km (0.119 R)
• M3: 914,043 km (0.088 R)
• M4: 1,345,483 km (0.079 R)
• M5: 1,724,415 km (0.094 R)
• M6: 2,217,340 km (0.079 R)
• M7: 2,714,453 km (0.109 R)
• M8: 3,442,995 km (0.103 R)
• M9: 5,168,756 km (0.077 R)
• M10: 5,729,449 km (0.088 R)
• M11: 6,878,211 km (0.049 R)
• M12: 7,582,218 km (0.061 R)
• M13: 8,852,155 km (0.051 R)
• M14: 10,227,857 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 12.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.95 AU - 3.49 AU

Year: 3988 Days

Day: 12.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,438,639 km

• M1: 160,369 km (0.106 R)
• M2: 759,209 km (0.035 R)
• M3: 1,232,387 km (0.033 R)
• M4: 1,637,498 km (0.106 R)
• M5: 2,254,141 km (0.088 R)
• M6: 3,621,166 km (0.036 R)
• M7: 4,495,117 km (0.092 R)
• M8: 5,881,590 km (0.115 R)
• M9: 6,453,353 km (0.057 R)
• M10: 7,171,572 km (0.064 R)
• M11: 8,611,003 km (0.105 R)
• M12: 9,185,459 km (0.09 R)
• M13: 13,736,076 km (0.114 R)
• M14: 14,388,622 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.1

Radius: 9.5

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.07 AU - 3.99 AU

Year: 4578 Days

Day: 8.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,438,639 km

• M1: 119,080 km (0.07 R)
• M2: 441,912 km (0.08 R)
• M3: 819,497 km (0.09 R)
• M4: 2,001,171 km (0.063 R)
• M5: 2,305,453 km (0.091 R)
• M6: 2,624,395 km (0.079 R)
• M7: 3,046,112 km (0.115 R)
• M8: 3,574,342 km (0.101 R)
• M9: 5,177,732 km (0.097 R)
• M10: 6,442,133 km (0.107 R)
• M11: 7,972,669 km (0.098 R)
• M12: 8,595,445 km (0.108 R)
• M13: 10,020,963 km (0.088 R)
• M14: 10,443,427 km (0.09 R)
• M15: 10,966,122 km (0.091 R)
• M16: 11,829,302 km (0.059 R)
• M17: 12,349,454 km (0.06 R)
• M18: 13,033,266 km (0.104 R)
• M19: 14,053,822 km (0.113 R)
• M20: 14,583,698 km (0.114 R)
• M21: 15,852,886 km (0.086 R)
• M22: 19,508,310 km (0.066 R)
• M23: 20,167,887 km (0.114 R)
• M24: 21,116,039 km (0.07 R)
• M25: 23,690,319 km (0.08 R)
• M26: 24,214,061 km (0.094 R)
• M27: 24,898,920 km (0.092 R)
• M28: 26,466,855 km (0.069 R)
• M29: 27,356,813 km (0.107 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 15,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit