🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.9

Radius: 14.1

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.85 AU - 0.87 AU

Year: 523 Days

Day: 13.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,387,935 km

• M1: 175,329 km (0.113 R)
• M2: 802,144 km (0.101 R)
• M3: 1,273,377 km (0.108 R)
• M4: 1,723,218 km (0.075 R)
• M5: 2,326,696 km (0.104 R)
• M6: 2,802,118 km (0.101 R)
• M7: 4,306,773 km (0.044 R)
• M8: 5,253,428 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.4

Radius: 12.4

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.87 AU - 0.99 AU

Year: 588 Days

Day: 8.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,387,935 km

• M1: 154,535 km (0.028 R)
• M2: 571,613 km (0.106 R)
• M3: 998,117 km (0.078 R)
• M4: 1,996,982 km (0.108 R)
• M5: 2,873,925 km (0.098 R)
• M6: 3,769,717 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875

Radius: 11.6

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.07 AU - 1.41 AU

Year: 906 Days

Day: 6.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,387,935 km

• M1: 144,212 km (0.111 R)
• M2: 584,030 km (0.069 R)
• M3: 1,037,611 km (0.12 R)
• M4: 1,508,545 km (0.109 R)
• M5: 2,173,208 km (0.111 R)
• M6: 2,562,462 km (0.086 R)
• M7: 3,064,812 km (0.093 R)
• M8: 4,119,477 km (0.027 R)
• M9: 6,124,088 km (0.072 R)
• M10: 6,610,431 km (0.037 R)
• M11: 9,098,542 km (0.04 R)
• M12: 9,644,874 km (0.094 R)
• M13: 10,243,415 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 13.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.57 AU - 1.67 AU

Year: 1353 Days

Day: 11.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,387,935 km

• M1: 167,699 km (0.111 R)
• M2: 783,294 km (0.031 R)
• M3: 1,320,500 km (0.114 R)
• M4: 2,059,215 km (0.078 R)
• M5: 2,537,329 km (0.11 R)
• M6: 3,179,404 km (0.049 R)
• M7: 3,622,064 km (0.115 R)
• M8: 4,458,765 km (0.074 R)
• M9: 7,344,059 km (0.093 R)
• M10: 9,208,048 km (0.113 R)
• M11: 11,698,853 km (0.101 R)
• M12: 13,563,441 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.5

Radius: 9.8

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.83 AU - 4.37 AU

Year: 5446 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,387,935 km

• M1: 122,521 km (0.041 R)
• M2: 822,489 km (0.054 R)
• M3: 2,979,840 km (0.043 R)
• M4: 3,648,243 km (0.092 R)
• M5: 4,114,689 km (0.05 R)
• M6: 7,648,341 km (0.111 R)
• M7: 13,031,770 km (0.109 R)
• M8: 13,679,828 km (0.106 R)
• M9: 14,179,784 km (0.102 R)
• M10: 14,807,496 km (0.058 R)
• M11: 15,513,299 km (0.098 R)
• M12: 16,057,087 km (0.073 R)
• M13: 16,364,810 km (0.072 R)
• M14: 22,368,921 km (0.104 R)
• M15: 25,565,379 km (0.065 R)
• M16: 28,153,870 km (0.076 R)
• M17: 33,145,503 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.1

Radius: 4.9

Gravity: 36.99 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.95 AU - 7.79 AU

Year: 10547 Days

Day: 25 Hours

Environment

Temp: -212 °C

Axial Tilt: 178.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,387,935 km

• M1: 61,335 km (0.09 R)
• M2: 225,893 km (0.07 R)
• M3: 468,241 km (0.079 R)
• M4: 876,045 km (0.084 R)
• M5: 1,850,226 km (0.058 R)
• M6: 2,076,418 km (0.027 R)
• M7: 2,440,390 km (0.107 R)
• M8: 2,713,107 km (0.076 R)
• M9: 2,913,568 km (0.109 R)
• M10: 3,548,910 km (0.108 R)
• M11: 4,011,617 km (0.105 R)
• M12: 4,361,825 km (0.104 R)
• M13: 4,763,795 km (0.115 R)
• M14: 5,023,197 km (0.117 R)
• M15: 5,464,810 km (0.058 R)
• M16: 6,542,663 km (0.034 R)
• M17: 6,945,081 km (0.076 R)
• M18: 7,536,142 km (0.086 R)
• M19: 7,843,865 km (0.115 R)
• M20: 8,578,690 km (0.111 R)
• M21: 8,769,427 km (0.119 R)
• M22: 11,570,797 km (0.034 R)
• M23: 12,099,177 km (0.094 R)
• M24: 18,456,488 km (0.098 R)
• M25: 18,694,797 km (0.088 R)
• M26: 23,156,703 km (0.091 R)
• M27: 24,183,693 km (0.037 R)
• M28: 24,468,976 km (0.055 R)
• M29: 25,929,201 km (0.071 R)
• M30: 30,105,225 km (0.045 R)
• M31: 33,516,356 km (0.117 R)
• M32: 34,228,142 km (0.094 R)
• M33: 36,673,619 km (0.099 R)
• M34: 38,841,741 km (0.11 R)
• M35: 41,908,946 km (0.06 R)
• M36: 42,873,553 km (0.079 R)
• M37: 50,662,516 km (0.065 R)
• M38: 51,756,824 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.6

Radius: 5.8

Gravity: 22.82 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.7 AU - 8.72 AU

Year: 12700 Days

Day: 19.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,387,935 km

• M1: 72,106 km (0.085 R)
• M2: 390,002 km (0.061 R)
• M3: 635,641 km (0.076 R)
• M4: 1,097,151 km (0.086 R)
• M5: 1,509,143 km (0.114 R)
• M6: 2,344,049 km (0.026 R)
• M7: 2,861,508 km (0.087 R)
• M8: 4,741,056 km (0.108 R)
• M9: 8,656,032 km (0.049 R)
• M10: 10,815,028 km (0.093 R)
• M11: 12,985,843 km (0.093 R)
• M12: 17,533,020 km (0.09 R)
• M13: 21,838,447 km (0.116 R)
• M14: 24,970,577 km (0.102 R)
• M15: 25,975,725 km (0.105 R)
• M16: 29,706,397 km (0.108 R)
• M17: 30,154,293 km (0.047 R)
• M18: 32,343,359 km (0.093 R)
• M19: 35,885,388 km (0.102 R)
• M20: 43,153,750 km (0.1 R)
• M21: 45,186,486 km (0.103 R)
• M22: 46,526,434 km (0.056 R)
• M23: 47,130,360 km (0.098 R)
• M24: 47,739,523 km (0.106 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: 271 - 18,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit