🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.9

Radius: 10.6

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.03 AU - 1.39 AU

Year: 859 Days

Day: 9.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,175,183 km

• M1: 131,796 km (0.11 R)
• M2: 549,473 km (0.067 R)
• M3: 951,442 km (0.072 R)
• M4: 1,638,845 km (0.109 R)
• M5: 2,300,366 km (0.107 R)
• M6: 3,169,829 km (0.108 R)
• M7: 3,624,158 km (0.039 R)
• M8: 4,167,647 km (0.119 R)
• M9: 4,565,129 km (0.069 R)
• M10: 4,901,275 km (0.07 R)
• M11: 5,932,004 km (0.09 R)
• M12: 7,600,619 km (0.097 R)
• M13: 7,930,482 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 10.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.22 AU - 1.3 AU

Year: 913 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,175,183 km

• M1: 137,780 km (0.112 R)
• M2: 812,466 km (0.08 R)
• M3: 1,437,486 km (0.101 R)
• M4: 1,921,435 km (0.085 R)
• M5: 2,638,009 km (0.051 R)
• M6: 3,005,870 km (0.092 R)
• M7: 3,972,422 km (0.082 R)
• M8: 5,322,393 km (0.11 R)
• M9: 6,609,832 km (0.095 R)
• M10: 7,124,150 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.4

Radius: 10.7

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.06 AU - 1.58 AU

Year: 979 Days

Day: 13 Hours

Environment

Temp: -167 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,175,183 km

• M1: 133,142 km (0.111 R)
• M2: 612,603 km (0.07 R)
• M3: 1,115,551 km (0.079 R)
• M4: 1,687,165 km (0.104 R)
• M5: 2,078,214 km (0.112 R)
• M6: 2,603,003 km (0.114 R)
• M7: 2,937,653 km (0.117 R)
• M8: 4,522,942 km (0.118 R)
• M9: 4,990,884 km (0.086 R)
• M10: 8,100,126 km (0.101 R)
• M11: 8,538,598 km (0.084 R)
• M12: 9,643,827 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 10.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.15 AU - 1.81 AU

Year: 1163 Days

Day: 5.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,175,183 km

• M1: 136,583 km (0.085 R)
• M2: 493,224 km (0.083 R)
• M3: 927,806 km (0.093 R)
• M4: 1,688,362 km (0.098 R)
• M5: 2,167,972 km (0.088 R)
• M6: 2,639,954 km (0.073 R)
• M7: 3,639,417 km (0.1 R)
• M8: 4,061,582 km (0.101 R)
• M9: 4,710,987 km (0.089 R)
• M10: 5,061,046 km (0.062 R)
• M11: 6,282,662 km (0.085 R)
• M12: 6,986,221 km (0.034 R)
• M13: 7,716,258 km (0.071 R)
• M14: 8,178,216 km (0.086 R)
• M15: 8,878,185 km (0.109 R)
• M16: 9,912,505 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.2

Radius: 8.1

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.82 AU - 3.14 AU

Year: 3322 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,175,183 km

• M1: 100,829 km (0.111 R)
• M2: 374,892 km (0.088 R)
• M3: 772,673 km (0.081 R)
• M4: 1,170,903 km (0.111 R)
• M5: 1,725,462 km (0.118 R)
• M6: 2,527,456 km (0.067 R)
• M7: 3,126,147 km (0.088 R)
• M8: 4,698,720 km (0.106 R)
• M9: 6,536,380 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.3

Radius: 14.2

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.63 AU - 6.79 AU

Year: 8810 Days

Day: 11.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,175,183 km

• M1: 176,675 km (0.074 R)
• M2: 663,018 km (0.115 R)
• M3: 1,495,979 km (0.096 R)
• M4: 5,350,517 km (0.112 R)
• M5: 6,447,668 km (0.062 R)
• M6: 9,008,634 km (0.034 R)
• M7: 9,803,896 km (0.066 R)
• M8: 10,645,384 km (0.043 R)
• M9: 11,857,426 km (0.1 R)
• M10: 13,665,317 km (0.072 R)
• M11: 26,322,045 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.7

Radius: 3.6

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.2 AU - 9.72 AU

Year: 18787 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,175,183 km

• M1: 45,029 km (0.09 R)
• M2: 791,373 km (0.065 R)
• M3: 1,853,218 km (0.074 R)
• M4: 5,157,387 km (0.095 R)
• M5: 11,139,656 km (0.079 R)
• M6: 12,042,928 km (0.039 R)
• M7: 17,896,992 km (0.076 R)
• M8: 18,992,497 km (0.101 R)
• M9: 21,316,051 km (0.081 R)
• M10: 28,393,377 km (0.097 R)
• M11: 31,614,069 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 15,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit