🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.3

Radius: 13.8

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.57 AU - 0.59 AU

Year: 295 Days

Day: 6.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,840,027 km

• M1: 171,738 km (0.114 R)
• M2: 644,468 km (0.111 R)
• M3: 1,191,846 km (0.101 R)
• M4: 1,699,432 km (0.082 R)
• M5: 2,243,519 km (0.07 R)
• M6: 2,710,414 km (0.057 R)
• M7: 3,296,688 km (0.115 R)
• M8: 4,053,504 km (0.084 R)
• M9: 4,824,232 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478

Radius: 12.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.73 AU - 1.03 AU

Year: 550 Days

Day: 12.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,840,027 km

• M1: 160,519 km (0.066 R)
• M2: 588,668 km (0.09 R)
• M3: 1,218,325 km (0.113 R)
• M4: 2,077,914 km (0.055 R)
• M5: 2,982,084 km (0.081 R)
• M6: 3,661,408 km (0.113 R)
• M7: 4,271,767 km (0.044 R)
• M8: 4,980,113 km (0.055 R)
• M9: 5,939,335 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.9

Radius: 10

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.87 AU - 1.25 AU

Year: 728 Days

Day: 13.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,840,027 km

• M1: 124,914 km (0.118 R)
• M2: 441,015 km (0.098 R)
• M3: 1,006,943 km (0.074 R)
• M4: 1,425,817 km (0.041 R)
• M5: 1,841,400 km (0.108 R)
• M6: 2,182,783 km (0.107 R)
• M7: 3,020,231 km (0.085 R)
• M8: 3,374,778 km (0.107 R)
• M9: 4,058,740 km (0.1 R)
• M10: 4,393,091 km (0.097 R)
• M11: 5,604,684 km (0.108 R)
• M12: 6,040,762 km (0.117 R)
• M13: 6,499,429 km (0.105 R)
• M14: 6,869,684 km (0.11 R)
• M15: 8,041,035 km (0.083 R)
• M16: 8,648,403 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.5

Radius: 8.9

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.27 AU - 1.81 AU

Year: 1274 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,840,027 km

• M1: 111,450 km (0.066 R)
• M2: 479,162 km (0.036 R)
• M3: 836,102 km (0.102 R)
• M4: 1,160,879 km (0.12 R)
• M5: 1,598,004 km (0.103 R)
• M6: 2,052,483 km (0.118 R)
• M7: 2,389,676 km (0.092 R)
• M8: 2,791,047 km (0.066 R)
• M9: 3,132,280 km (0.088 R)
• M10: 3,501,189 km (0.045 R)
• M11: 3,847,807 km (0.098 R)
• M12: 4,885,418 km (0.112 R)
• M13: 5,171,748 km (0.032 R)
• M14: 5,756,077 km (0.105 R)
• M15: 6,216,689 km (0.114 R)
• M16: 7,665,544 km (0.102 R)
• M17: 8,081,576 km (0.1 R)
• M18: 8,396,180 km (0.092 R)
• M19: 8,748,633 km (0.081 R)
• M20: 11,680,003 km (0.088 R)
• M21: 12,268,821 km (0.052 R)
• M22: 12,685,002 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.9

Radius: 7.3

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.96 AU - 11.42 AU

Year: 18578 Days

Day: 15.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,840,027 km

• M1: 91,853 km (0.118 R)
• M2: 774,319 km (0.078 R)
• M3: 1,374,206 km (0.086 R)
• M4: 1,705,416 km (0.065 R)
• M5: 2,108,881 km (0.03 R)
• M6: 3,681,454 km (0.068 R)
• M7: 5,792,579 km (0.06 R)
• M8: 6,404,434 km (0.069 R)
• M9: 7,660,757 km (0.078 R)
• M10: 9,898,143 km (0.106 R)
• M11: 10,474,843 km (0.061 R)
• M12: 12,274,356 km (0.063 R)
• M13: 12,939,917 km (0.111 R)
• M14: 16,553,603 km (0.031 R)
• M15: 19,781,027 km (0.119 R)
• M16: 20,234,758 km (0.05 R)
• M17: 20,788,270 km (0.109 R)
• M18: 22,607,829 km (0.11 R)
• M19: 24,427,238 km (0.053 R)
• M20: 26,124,575 km (0.089 R)
• M21: 29,870,805 km (0.07 R)
• M22: 31,072,974 km (0.025 R)
• M23: 41,875,885 km (0.082 R)
• M24: 52,999,085 km (0.115 R)
• M25: 54,403,659 km (0.115 R)
• M26: 56,194,047 km (0.052 R)
• M27: 62,186,937 km (0.113 R)
• M28: 64,937,593 km (0.108 R)
• M29: 68,799,014 km (0.071 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 11,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit