🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.5

Radius: 8

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.65 AU - 0.73 AU

Year: 389 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,659,987 km

• M1: 99,483 km (0.06 R)
• M2: 387,907 km (0.054 R)
• M3: 793,916 km (0.053 R)
• M4: 1,070,522 km (0.081 R)
• M5: 1,375,403 km (0.116 R)
• M6: 2,434,107 km (0.112 R)
• M7: 2,746,019 km (0.039 R)
• M8: 3,052,694 km (0.11 R)
• M9: 3,626,851 km (0.045 R)
• M10: 3,908,394 km (0.091 R)
• M11: 4,446,797 km (0.074 R)
• M12: 4,827,673 km (0.047 R)
• M13: 5,138,836 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672

Radius: 8.8

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.1 AU - 1.32 AU

Year: 903 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,659,987 km

• M1: 109,506 km (0.105 R)
• M2: 440,715 km (0.103 R)
• M3: 933,192 km (0.06 R)
• M4: 1,449,454 km (0.075 R)
• M5: 1,764,507 km (0.08 R)
• M6: 2,105,291 km (0.056 R)
• M7: 2,933,764 km (0.083 R)
• M8: 3,415,469 km (0.068 R)
• M9: 5,089,170 km (0.1 R)
• M10: 6,010,842 km (0.119 R)
• M11: 6,677,151 km (0.086 R)
• M12: 7,016,739 km (0.103 R)
• M13: 7,608,548 km (0.083 R)
• M14: 8,440,162 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268

Radius: 12.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.05 AU - 1.59 AU

Year: 1029 Days

Day: 12.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,659,987 km

• M1: 186,399 km (0.078 R)
• M2: 978,968 km (0.118 R)
• M3: 1,867,131 km (0.101 R)
• M4: 2,505,615 km (0.074 R)
• M5: 3,349,496 km (0.057 R)
• M6: 3,775,401 km (0.079 R)
• M7: 4,593,103 km (0.038 R)
• M8: 5,086,926 km (0.027 R)
• M9: 5,726,307 km (0.115 R)
• M10: 6,661,743 km (0.067 R)
• M11: 7,696,362 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.7

Radius: 13.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.36 AU - 2.08 AU

Year: 1530 Days

Day: 9.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,659,987 km

• M1: 180,864 km (0.107 R)
• M2: 715,227 km (0.093 R)
• M3: 1,249,441 km (0.063 R)
• M4: 1,773,333 km (0.109 R)
• M5: 2,598,066 km (0.062 R)
• M6: 3,455,112 km (0.09 R)
• M7: 4,249,926 km (0.061 R)
• M8: 5,281,702 km (0.119 R)
• M9: 6,271,442 km (0.04 R)
• M10: 7,159,305 km (0.112 R)
• M11: 7,917,916 km (0.061 R)
• M12: 10,112,517 km (0.111 R)
• M13: 10,872,773 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.6

Radius: 14

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.71 AU - 2.67 AU

Year: 2198 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,659,987 km

• M1: 174,132 km (0.098 R)
• M2: 896,390 km (0.068 R)
• M3: 1,368,671 km (0.077 R)
• M4: 2,503,969 km (0.11 R)
• M5: 2,970,565 km (0.081 R)
• M6: 3,412,178 km (0.077 R)
• M7: 6,075,170 km (0.043 R)
• M8: 6,740,581 km (0.072 R)
• M9: 12,844,623 km (0.108 R)
• M10: 14,966,669 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.7

Radius: 12.1

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.24 AU - 3.1 AU

Year: 2959 Days

Day: 5.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,659,987 km

• M1: 150,795 km (0.119 R)
• M2: 673,190 km (0.084 R)
• M3: 1,584,989 km (0.065 R)
• M4: 2,349,584 km (0.104 R)
• M5: 2,884,247 km (0.055 R)
• M6: 4,243,643 km (0.095 R)
• M7: 5,243,106 km (0.115 R)
• M8: 5,744,109 km (0.073 R)
• M9: 6,996,992 km (0.05 R)
• M10: 7,377,269 km (0.095 R)
• M11: 8,602,177 km (0.068 R)
• M12: 9,957,982 km (0.104 R)
• M13: 10,440,286 km (0.078 R)
• M14: 11,022,521 km (0.068 R)
• M15: 12,071,202 km (0.061 R)
• M16: 13,669,057 km (0.066 R)
• M17: 14,724,021 km (0.115 R)
• M18: 17,395,839 km (0.086 R)
• M19: 18,694,498 km (0.11 R)
• M20: 22,771,040 km (0.026 R)
• M21: 23,187,670 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576

Radius: 10.8

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.55 AU - 3.09 AU

Year: 3212 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,659,987 km

• M1: 134,339 km (0.063 R)
• M2: 483,949 km (0.092 R)
• M3: 851,511 km (0.079 R)
• M4: 1,219,671 km (0.1 R)
• M5: 1,730,099 km (0.118 R)
• M6: 2,081,355 km (0.04 R)
• M7: 2,480,632 km (0.079 R)
• M8: 3,237,896 km (0.064 R)
• M9: 4,163,608 km (0.091 R)
• M10: 5,257,168 km (0.085 R)
• M11: 6,086,539 km (0.119 R)
• M12: 6,763,918 km (0.118 R)
• M13: 7,680,654 km (0.103 R)
• M14: 12,365,311 km (0.073 R)
• M15: 12,855,693 km (0.09 R)
• M16: 13,405,316 km (0.089 R)
• M17: 15,048,349 km (0.099 R)
• M18: 18,846,938 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.9

Radius: 9.3

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.57 AU - 3.17 AU

Year: 3298 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,659,987 km

• M1: 115,639 km (0.106 R)
• M2: 431,889 km (0.086 R)
• M3: 1,505,254 km (0.09 R)
• M4: 3,285,768 km (0.119 R)
• M5: 3,826,863 km (0.085 R)
• M6: 4,834,106 km (0.114 R)
• M7: 7,313,242 km (0.091 R)
• M8: 11,097,469 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.9

Radius: 7.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.72 AU - 11.48 AU

Year: 23407 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 129.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,659,987 km

• M1: 102,624 km (0.112 R)
• M2: 983,307 km (0.056 R)
• M3: 1,528,890 km (0.099 R)
• M4: 2,626,490 km (0.081 R)
• M5: 3,698,059 km (0.071 R)
• M6: 4,432,286 km (0.1 R)
• M7: 4,757,960 km (0.111 R)
• M8: 5,260,160 km (0.08 R)
• M9: 7,755,154 km (0.051 R)
• M10: 8,676,527 km (0.11 R)
• M11: 9,474,482 km (0.058 R)
• M12: 10,423,082 km (0.105 R)
• M13: 10,840,909 km (0.08 R)
• M14: 11,161,497 km (0.079 R)
• M15: 12,391,790 km (0.04 R)
• M16: 16,481,945 km (0.111 R)
• M17: 19,215,547 km (0.045 R)
• M18: 19,685,584 km (0.112 R)
• M19: 25,001,843 km (0.114 R)
• M20: 30,987,853 km (0.094 R)
• M21: 35,235,086 km (0.112 R)
• M22: 37,497,454 km (0.078 R)
• M23: 45,137,567 km (0.051 R)
• M24: 45,551,654 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 11,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit