🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.2

Radius: 15

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.61 AU - 0.65 AU

Year: 339 Days

Day: 12.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,175,022 km

• M1: 187,446 km (0.106 R)
• M2: 750,533 km (0.104 R)
• M3: 1,256,473 km (0.11 R)
• M4: 1,762,413 km (0.051 R)
• M5: 2,276,431 km (0.057 R)
• M6: 2,771,600 km (0.11 R)
• M7: 3,947,140 km (0.068 R)
• M8: 4,558,098 km (0.073 R)
• M9: 5,231,737 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.9

Radius: 14

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.62 AU - 1.02 AU

Year: 504 Days

Day: 10.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,175,022 km

• M1: 178,769 km (0.108 R)
• M2: 965,654 km (0.097 R)
• M3: 1,435,392 km (0.11 R)
• M4: 2,455,350 km (0.092 R)
• M5: 2,955,306 km (0.058 R)
• M6: 3,498,197 km (0.114 R)
• M7: 4,079,833 km (0.105 R)
• M8: 4,756,315 km (0.05 R)
• M9: 5,472,589 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.2

Radius: 10.8

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.91 AU - 1.41 AU

Year: 847 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,175,022 km

• M1: 134,339 km (0.105 R)
• M2: 582,385 km (0.111 R)
• M3: 1,043,595 km (0.086 R)
• M4: 1,646,773 km (0.117 R)
• M5: 2,114,416 km (0.108 R)
• M6: 2,470,908 km (0.115 R)
• M7: 2,808,550 km (0.104 R)
• M8: 3,280,981 km (0.116 R)
• M9: 3,662,455 km (0.052 R)
• M10: 4,275,058 km (0.026 R)
• M11: 5,095,453 km (0.1 R)
• M12: 5,840,301 km (0.073 R)
• M13: 6,424,481 km (0.087 R)
• M14: 6,871,629 km (0.101 R)
• M15: 7,430,975 km (0.111 R)
• M16: 8,068,860 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 13.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.41 AU - 1.59 AU

Year: 1246 Days

Day: 12.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,175,022 km

• M1: 170,392 km (0.072 R)
• M2: 652,097 km (0.106 R)
• M3: 1,079,498 km (0.12 R)
• M4: 1,836,015 km (0.044 R)
• M5: 2,335,821 km (0.052 R)
• M6: 2,989,863 km (0.056 R)
• M7: 3,719,153 km (0.096 R)
• M8: 4,969,492 km (0.119 R)
• M9: 6,593,077 km (0.095 R)
• M10: 7,442,793 km (0.053 R)
• M11: 8,032,209 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.4

Radius: 12.6

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.57 AU - 2.19 AU

Year: 1748 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,175,022 km

• M1: 159,621 km (0.039 R)
• M2: 604,375 km (0.071 R)
• M3: 1,048,681 km (0.098 R)
• M4: 1,494,632 km (0.102 R)
• M5: 1,943,127 km (0.025 R)
• M6: 2,508,756 km (0.078 R)
• M7: 3,685,194 km (0.072 R)
• M8: 4,915,337 km (0.075 R)
• M9: 5,828,034 km (0.04 R)
• M10: 7,811,103 km (0.094 R)
• M11: 8,262,440 km (0.052 R)
• M12: 8,891,349 km (0.057 R)
• M13: 15,455,255 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.1

Radius: 12.1

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3 AU - 3.06 AU

Year: 3577 Days

Day: 11.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,175,022 km

• M1: 151,842 km (0.102 R)
• M2: 536,757 km (0.081 R)
• M3: 1,016,817 km (0.076 R)
• M4: 1,596,957 km (0.047 R)
• M5: 2,032,137 km (0.117 R)
• M6: 2,725,972 km (0.074 R)
• M7: 3,413,524 km (0.083 R)
• M8: 3,905,402 km (0.09 R)
• M9: 6,920,996 km (0.094 R)
• M10: 7,610,642 km (0.073 R)
• M11: 8,237,756 km (0.114 R)
• M12: 9,243,054 km (0.075 R)
• M13: 10,538,123 km (0.117 R)
• M14: 11,676,862 km (0.084 R)
• M15: 13,188,698 km (0.065 R)
• M16: 15,530,353 km (0.045 R)
• M17: 16,086,259 km (0.085 R)
• M18: 18,567,190 km (0.118 R)
• M19: 21,703,061 km (0.114 R)
• M20: 22,118,494 km (0.119 R)
• M21: 22,751,443 km (0.107 R)
• M22: 24,723,143 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344

Radius: 7.4

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.9 AU - 12.04 AU

Year: 21352 Days

Day: 24.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,175,022 km

• M1: 97,089 km (0.063 R)
• M2: 745,596 km (0.072 R)
• M3: 1,521,859 km (0.035 R)
• M4: 2,178,594 km (0.104 R)
• M5: 4,129,350 km (0.055 R)
• M6: 7,604,957 km (0.079 R)
• M7: 13,313,313 km (0.052 R)
• M8: 16,244,234 km (0.066 R)
• M9: 21,360,631 km (0.109 R)
• M10: 26,281,653 km (0.119 R)
• M11: 26,811,828 km (0.11 R)
• M12: 27,565,951 km (0.101 R)
• M13: 29,913,141 km (0.066 R)
• M14: 37,883,566 km (0.09 R)
• M15: 39,520,616 km (0.052 R)
• M16: 40,216,396 km (0.103 R)
• M17: 51,656,145 km (0.066 R)
• M18: 52,320,658 km (0.099 R)
• M19: 54,177,766 km (0.116 R)
• M20: 59,283,691 km (0.105 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 18,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit