🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813

Radius: 10.4

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.75 AU - 0.87 AU

Year: 471 Days

Day: 7.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 67.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,033,192 km

• M1: 129,402 km (0.113 R)
• M2: 488,138 km (0.102 R)
• M3: 984,803 km (0.08 R)
• M4: 1,565,841 km (0.099 R)
• M5: 1,968,858 km (0.113 R)
• M6: 2,909,978 km (0.032 R)
• M7: 3,488,024 km (0.041 R)
• M8: 4,043,032 km (0.114 R)
• M9: 4,386,060 km (0.069 R)
• M10: 5,065,982 km (0.047 R)
• M11: 6,234,491 km (0.11 R)
• M12: 6,577,220 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.7

Radius: 12.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.05 AU - 1.07 AU

Year: 705 Days

Day: 5.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 21,033,192 km

• M1: 160,369 km (0.102 R)
• M2: 797,656 km (0.117 R)
• M3: 1,298,659 km (0.092 R)
• M4: 1,855,462 km (0.093 R)
• M5: 4,893,646 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.1

Radius: 8.7

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.9 AU - 1.34 AU

Year: 765 Days

Day: 11.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,033,192 km

• M1: 108,458 km (0.066 R)
• M2: 402,418 km (0.078 R)
• M3: 754,871 km (0.061 R)
• M4: 1,146,368 km (0.067 R)
• M5: 1,470,098 km (0.055 R)
• M6: 1,970,354 km (0.075 R)
• M7: 2,911,623 km (0.111 R)
• M8: 4,233,171 km (0.072 R)
• M9: 5,017,961 km (0.065 R)
• M10: 5,318,055 km (0.107 R)
• M11: 5,954,594 km (0.109 R)
• M12: 7,334,185 km (0.117 R)
• M13: 7,932,128 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.4

Radius: 14.1

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.91 AU - 1.47 AU

Year: 838 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,033,192 km

• M1: 175,329 km (0.08 R)
• M2: 614,548 km (0.087 R)
• M3: 1,536,071 km (0.065 R)
• M4: 2,184,578 km (0.108 R)
• M5: 2,763,073 km (0.088 R)
• M6: 3,303,869 km (0.107 R)
• M7: 3,961,950 km (0.108 R)
• M8: 4,516,061 km (0.114 R)
• M9: 5,542,152 km (0.068 R)
• M10: 6,174,203 km (0.052 R)
• M11: 7,318,627 km (0.09 R)
• M12: 8,840,935 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.9

Radius: 11

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.59 AU - 2.21 AU

Year: 1691 Days

Day: 10.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,033,192 km

• M1: 136,732 km (0.075 R)
• M2: 560,094 km (0.089 R)
• M3: 953,537 km (0.099 R)
• M4: 1,499,120 km (0.039 R)
• M5: 1,961,378 km (0.095 R)
• M6: 2,359,757 km (0.105 R)
• M7: 3,036,687 km (0.108 R)
• M8: 3,471,867 km (0.025 R)
• M9: 3,857,082 km (0.11 R)
• M10: 5,345,282 km (0.065 R)
• M11: 6,032,085 km (0.109 R)
• M12: 8,172,831 km (0.104 R)
• M13: 8,858,588 km (0.025 R)
• M14: 9,515,023 km (0.104 R)
• M15: 10,028,293 km (0.102 R)
• M16: 10,777,928 km (0.036 R)
• M17: 11,641,258 km (0.089 R)
• M18: 13,762,705 km (0.068 R)
• M19: 15,561,320 km (0.083 R)
• M20: 15,986,776 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.5

Radius: 10.1

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.8 AU - 2.22 AU

Year: 1840 Days

Day: 12 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,033,192 km

• M1: 137,929 km (0.08 R)
• M2: 562,488 km (0.077 R)
• M3: 1,321,099 km (0.097 R)
• M4: 1,954,197 km (0.104 R)
• M5: 2,413,612 km (0.075 R)
• M6: 3,037,136 km (0.047 R)
• M7: 3,550,855 km (0.11 R)
• M8: 3,875,183 km (0.118 R)
• M9: 4,318,442 km (0.085 R)
• M10: 6,493,146 km (0.067 R)
• M11: 8,338,137 km (0.114 R)
• M12: 8,751,924 km (0.098 R)
• M13: 9,347,473 km (0.109 R)
• M14: 10,183,127 km (0.112 R)
• M15: 11,105,847 km (0.1 R)
• M16: 11,490,164 km (0.037 R)
• M17: 12,738,408 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.8

Radius: 10

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.06 AU - 2.76 AU

Year: 2416 Days

Day: 11.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,033,192 km

• M1: 124,316 km (0.119 R)
• M2: 531,372 km (0.041 R)
• M3: 1,262,606 km (0.118 R)
• M4: 2,509,654 km (0.104 R)
• M5: 3,453,467 km (0.116 R)
• M6: 4,120,075 km (0.081 R)
• M7: 4,462,355 km (0.082 R)
• M8: 4,893,646 km (0.107 R)
• M9: 6,135,607 km (0.102 R)
• M10: 6,612,076 km (0.071 R)
• M11: 6,993,102 km (0.085 R)
• M12: 7,544,819 km (0.117 R)
• M13: 7,863,612 km (0.119 R)
• M14: 8,358,931 km (0.079 R)
• M15: 9,158,681 km (0.101 R)
• M16: 10,472,449 km (0.114 R)
• M17: 11,695,113 km (0.08 R)
• M18: 12,297,095 km (0.096 R)
• M19: 16,565,571 km (0.055 R)
• M20: 17,435,482 km (0.08 R)
• M21: 18,972,152 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 12,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit