🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.9

Radius: 13

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.95 AU - 1.13 AU

Year: 674 Days

Day: 12.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,280,202 km

• M1: 161,715 km (0.094 R)
• M2: 572,511 km (0.1 R)
• M3: 1,044,941 km (0.06 R)
• M4: 1,705,416 km (0.115 R)
• M5: 2,223,174 km (0.101 R)
• M6: 2,973,706 km (0.075 R)
• M7: 3,732,317 km (0.058 R)
• M8: 4,240,950 km (0.093 R)
• M9: 4,681,067 km (0.097 R)
• M10: 5,653,902 km (0.076 R)
• M11: 6,408,025 km (0.12 R)
• M12: 7,011,503 km (0.058 R)
• M13: 7,790,010 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.2

Radius: 10.3

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.04 AU - 1.04 AU

Year: 674 Days

Day: 9.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 68.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,280,202 km

• M1: 128,654 km (0.099 R)
• M2: 531,820 km (0.071 R)
• M3: 898,934 km (0.058 R)
• M4: 1,363,435 km (0.112 R)
• M5: 1,888,075 km (0.051 R)
• M6: 2,256,983 km (0.105 R)
• M7: 3,142,154 km (0.103 R)
• M8: 3,719,901 km (0.069 R)
• M9: 4,093,596 km (0.116 R)
• M10: 4,492,424 km (0.099 R)
• M11: 4,934,037 km (0.08 R)
• M12: 5,386,421 km (0.068 R)
• M13: 6,701,985 km (0.082 R)
• M14: 7,257,890 km (0.077 R)
• M15: 7,821,126 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.5

Radius: 9.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.08 AU - 1.48 AU

Year: 921 Days

Day: 11.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,280,202 km

• M1: 123,119 km (0.102 R)
• M2: 443,558 km (0.066 R)
• M3: 1,193,492 km (0.068 R)
• M4: 1,536,370 km (0.109 R)
• M5: 2,290,643 km (0.118 R)
• M6: 2,706,674 km (0.117 R)
• M7: 3,366,850 km (0.037 R)
• M8: 4,011,467 km (0.097 R)
• M9: 4,363,471 km (0.102 R)
• M10: 5,447,906 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.4

Radius: 12.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.68 AU - 1.74 AU

Year: 1422 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,280,202 km

• M1: 153,039 km (0.116 R)
• M2: 616,194 km (0.058 R)
• M3: 1,002,156 km (0.058 R)
• M4: 1,550,133 km (0.093 R)
• M5: 1,953,449 km (0.107 R)
• M6: 2,338,215 km (0.114 R)
• M7: 2,888,136 km (0.045 R)
• M8: 3,538,289 km (0.104 R)
• M9: 4,067,716 km (0.114 R)
• M10: 4,455,623 km (0.084 R)
• M11: 7,354,979 km (0.094 R)
• M12: 7,985,684 km (0.09 R)
• M13: 8,570,163 km (0.076 R)
• M14: 9,041,247 km (0.052 R)
• M15: 10,341,551 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.3

Radius: 15

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.57 AU - 2.47 AU

Year: 1825 Days

Day: 8.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,280,202 km

• M1: 186,549 km (0.055 R)
• M2: 986,897 km (0.103 R)
• M3: 1,772,585 km (0.117 R)
• M4: 3,816,242 km (0.044 R)
• M5: 4,417,027 km (0.116 R)
• M6: 5,194,786 km (0.071 R)
• M7: 6,706,473 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 9.9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.9 AU - 7.24 AU

Year: 9509 Days

Day: 8.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,280,202 km

• M1: 123,119 km (0.116 R)
• M2: 469,438 km (0.077 R)
• M3: 1,191,098 km (0.104 R)
• M4: 1,543,551 km (0.077 R)
• M5: 2,712,957 km (0.105 R)
• M6: 3,521,983 km (0.078 R)
• M7: 4,506,785 km (0.103 R)
• M8: 4,856,994 km (0.054 R)
• M9: 5,377,894 km (0.059 R)
• M10: 5,772,533 km (0.069 R)
• M11: 6,186,321 km (0.068 R)
• M12: 6,920,248 km (0.106 R)
• M13: 11,230,911 km (0.072 R)
• M14: 12,187,439 km (0.03 R)
• M15: 19,709,819 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.1

Radius: 5.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.86 AU - 8.96 AU

Year: 12825 Days

Day: 15.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,280,202 km

• M1: 67,768 km (0.105 R)
• M2: 294,558 km (0.085 R)
• M3: 484,398 km (0.107 R)
• M4: 1,074,412 km (0.059 R)
• M5: 1,661,284 km (0.032 R)
• M6: 1,970,204 km (0.113 R)
• M7: 2,262,817 km (0.058 R)
• M8: 4,001,145 km (0.111 R)
• M9: 4,221,502 km (0.106 R)
• M10: 6,836,922 km (0.074 R)
• M11: 7,507,569 km (0.09 R)
• M12: 13,746,848 km (0.102 R)
• M13: 17,104,422 km (0.086 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 20,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit