🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.58 AU - 0.68 AU

Year: 328 Days

Day: 13.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,181,646 km

• M1: 43,533 km (0.104 R)

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 10.8

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.06 AU - 1.38 AU

Year: 884 Days

Day: 10.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,181,646 km

• M1: 135,835 km (0.117 R)
• M2: 496,216 km (0.089 R)
• M3: 914,342 km (0.098 R)
• M4: 1,342,342 km (0.067 R)
• M5: 1,735,784 km (0.11 R)
• M6: 2,158,548 km (0.109 R)
• M7: 3,214,709 km (0.039 R)
• M8: 4,091,502 km (0.068 R)
• M9: 5,051,621 km (0.098 R)
• M10: 5,475,432 km (0.095 R)
• M11: 6,394,711 km (0.11 R)
• M12: 7,149,432 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.1

Radius: 13

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.27 AU - 1.33 AU

Year: 972 Days

Day: 10.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,181,646 km

• M1: 161,715 km (0.11 R)
• M2: 606,619 km (0.115 R)
• M3: 1,038,359 km (0.068 R)
• M4: 1,522,906 km (0.114 R)
• M5: 1,997,431 km (0.106 R)
• M6: 2,415,557 km (0.039 R)
• M7: 2,892,774 km (0.097 R)
• M8: 3,408,587 km (0.071 R)
• M9: 4,262,642 km (0.061 R)
• M10: 4,779,054 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 11.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.6 AU - 1.7 AU

Year: 1390 Days

Day: 8.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,181,646 km

• M1: 148,401 km (0.064 R)
• M2: 517,758 km (0.054 R)
• M3: 936,931 km (0.065 R)
• M4: 1,398,740 km (0.075 R)
• M5: 2,239,929 km (0.026 R)
• M6: 2,839,966 km (0.044 R)
• M7: 3,332,442 km (0.085 R)
• M8: 3,734,711 km (0.05 R)
• M9: 4,152,089 km (0.093 R)
• M10: 4,675,532 km (0.093 R)
• M11: 5,081,690 km (0.11 R)
• M12: 5,811,428 km (0.099 R)
• M13: 6,421,040 km (0.117 R)
• M14: 7,956,213 km (0.1 R)
• M15: 8,940,567 km (0.118 R)
• M16: 9,785,197 km (0.08 R)
• M17: 10,485,614 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289

Radius: 10.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.76 AU - 1.84 AU

Year: 1584 Days

Day: 7.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,181,646 km

• M1: 134,339 km (0.092 R)
• M2: 471,682 km (0.07 R)
• M3: 1,529,040 km (0.105 R)
• M4: 2,634,867 km (0.111 R)
• M5: 3,001,232 km (0.093 R)
• M6: 3,344,410 km (0.043 R)
• M7: 4,294,057 km (0.053 R)
• M8: 5,141,828 km (0.095 R)
• M9: 5,514,776 km (0.085 R)
• M10: 6,011,740 km (0.085 R)
• M11: 7,608,996 km (0.085 R)
• M12: 8,146,950 km (0.061 R)
• M13: 9,356,599 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.4

Radius: 12.1

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.22 AU - 6.62 AU

Year: 8278 Days

Day: 7.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,181,646 km

• M1: 150,495 km (0.116 R)
• M2: 706,850 km (0.108 R)
• M3: 1,241,513 km (0.104 R)
• M4: 1,777,522 km (0.109 R)
• M5: 2,450,114 km (0.119 R)
• M6: 3,304,916 km (0.105 R)
• M7: 3,812,352 km (0.068 R)
• M8: 5,681,877 km (0.086 R)
• M9: 7,334,634 km (0.096 R)
• M10: 8,806,228 km (0.104 R)
• M11: 9,669,857 km (0.075 R)
• M12: 18,248,098 km (0.058 R)
• M13: 19,650,578 km (0.096 R)
• M14: 20,538,740 km (0.105 R)
• M15: 21,988,194 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.8

Radius: 5

Gravity: 22.75 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.95 AU - 8.63 AU

Year: 15658 Days

Day: 22.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,181,646 km

• M1: 62,682 km (0.116 R)
• M2: 392,994 km (0.036 R)
• M3: 640,428 km (0.108 R)
• M4: 810,222 km (0.083 R)
• M5: 1,297,014 km (0.03 R)
• M6: 1,620,145 km (0.065 R)
• M7: 1,923,081 km (0.116 R)
• M8: 2,184,129 km (0.068 R)
• M9: 2,468,514 km (0.101 R)
• M10: 2,731,657 km (0.028 R)
• M11: 4,989,089 km (0.078 R)
• M12: 6,815,829 km (0.042 R)
• M13: 7,557,535 km (0.06 R)
• M14: 9,459,971 km (0.102 R)
• M15: 11,008,010 km (0.077 R)
• M16: 11,964,539 km (0.105 R)
• M17: 13,236,569 km (0.058 R)
• M18: 13,501,357 km (0.109 R)
• M19: 17,909,408 km (0.072 R)
• M20: 18,152,056 km (0.12 R)
• M21: 18,314,968 km (0.09 R)
• M22: 19,144,488 km (0.069 R)
• M23: 19,398,206 km (0.112 R)
• M24: 21,691,542 km (0.074 R)
• M25: 24,257,893 km (0.112 R)
• M26: 28,862,067 km (0.091 R)
• M27: 37,070,053 km (0.066 R)
• M28: 38,663,420 km (0.07 R)
• M29: 40,301,966 km (0.098 R)
• M30: 44,599,613 km (0.034 R)
• M31: 49,828,208 km (0.094 R)
• M32: 51,603,486 km (0.105 R)
• M33: 52,259,473 km (0.117 R)
• M34: 52,589,486 km (0.045 R)
• M35: 56,832,680 km (0.047 R)
• M36: 58,237,254 km (0.106 R)
• M37: 58,591,951 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.9

Radius: 6.9

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.34 AU - 11.26 AU

Year: 18605 Days

Day: 17.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,181,646 km

• M1: 85,869 km (0.083 R)
• M2: 328,218 km (0.037 R)
• M3: 647,160 km (0.114 R)
• M4: 950,694 km (0.111 R)
• M5: 1,320,500 km (0.072 R)
• M6: 2,135,809 km (0.074 R)
• M7: 2,662,992 km (0.093 R)
• M8: 2,981,037 km (0.098 R)
• M9: 3,223,535 km (0.057 R)
• M10: 4,514,116 km (0.077 R)
• M11: 5,630,714 km (0.101 R)
• M12: 7,657,017 km (0.076 R)
• M13: 10,233,841 km (0.079 R)
• M14: 12,385,208 km (0.099 R)
• M15: 15,315,232 km (0.112 R)
• M16: 17,247,737 km (0.111 R)
• M17: 20,184,044 km (0.082 R)
• M18: 21,410,597 km (0.112 R)
• M19: 21,769,931 km (0.079 R)
• M20: 24,497,100 km (0.111 R)
• M21: 25,487,887 km (0.079 R)
• M22: 31,535,680 km (0.109 R)
• M23: 33,064,720 km (0.084 R)
• M24: 33,544,929 km (0.104 R)
• M25: 39,139,141 km (0.071 R)
• M26: 40,355,222 km (0.062 R)
• M27: 42,720,664 km (0.103 R)
• M28: 51,485,304 km (0.079 R)
• M29: 54,264,533 km (0.067 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: 310 - 19,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit