🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.49 AU - 0.65 AU

Year: 282 Days

Day: 38.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.6 AU - 0.72 AU

Year: 352 Days

Day: 43.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.55 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.8

Radius: 9.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.96 AU - 2.9 AU

Year: 2485 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,257,980 km

• M1: 122,072 km (0.102 R)
• M2: 464,501 km (0.095 R)
• M3: 1,192,893 km (0.116 R)
• M4: 1,542,653 km (0.106 R)
• M5: 1,995,636 km (0.115 R)
• M6: 2,508,607 km (0.117 R)
• M7: 2,998,989 km (0.103 R)
• M8: 3,349,646 km (0.063 R)
• M9: 4,715,026 km (0.1 R)
• M10: 5,169,055 km (0.114 R)
• M11: 5,747,401 km (0.066 R)
• M12: 6,240,475 km (0.028 R)
• M13: 6,923,689 km (0.084 R)
• M14: 8,253,464 km (0.091 R)
• M15: 8,753,869 km (0.052 R)
• M16: 9,712,043 km (0.096 R)
• M17: 11,184,236 km (0.111 R)
• M18: 12,032,755 km (0.111 R)
• M19: 15,436,256 km (0.081 R)
• M20: 16,148,043 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.9

Radius: 13.9

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.04 AU - 5.48 AU

Year: 7914 Days

Day: 7 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,257,980 km

• M1: 175,179 km (0.12 R)
• M2: 925,263 km (0.071 R)
• M3: 2,357,513 km (0.066 R)
• M4: 4,521,596 km (0.098 R)
• M5: 5,279,010 km (0.115 R)
• M6: 5,907,321 km (0.111 R)
• M7: 6,788,153 km (0.105 R)
• M8: 7,670,780 km (0.077 R)
• M9: 9,535,069 km (0.047 R)
• M10: 10,853,026 km (0.115 R)
• M11: 11,947,036 km (0.03 R)
• M12: 12,443,401 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.8

Radius: 3.4

Gravity: 21.52 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.41 AU - 8.07 AU

Year: 11479 Days

Day: 15.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,257,980 km

• M1: 45,328 km (0.081 R)
• M2: 232,924 km (0.12 R)
• M3: 503,846 km (0.042 R)
• M4: 1,746,256 km (0.113 R)
• M5: 1,893,460 km (0.092 R)
• M6: 2,937,504 km (0.103 R)
• M7: 3,593,341 km (0.112 R)
• M8: 3,783,480 km (0.113 R)
• M9: 4,981,011 km (0.092 R)
• M10: 6,171,810 km (0.077 R)
• M11: 6,941,491 km (0.109 R)
• M12: 7,236,647 km (0.119 R)
• M13: 11,662,949 km (0.099 R)
• M14: 14,791,639 km (0.068 R)
• M15: 15,590,492 km (0.103 R)
• M16: 15,715,855 km (0.103 R)
• M17: 17,139,877 km (0.117 R)
• M18: 17,746,496 km (0.066 R)
• M19: 19,945,286 km (0.085 R)
• M20: 21,767,388 km (0.12 R)
• M21: 22,558,162 km (0.09 R)
• M22: 23,286,255 km (0.114 R)
• M23: 24,029,756 km (0.08 R)
• M24: 29,875,592 km (0.097 R)
• M25: 34,968,053 km (0.076 R)
• M26: 36,051,591 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842

Radius: 5

Gravity: 33.68 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.34 AU - 7.78 AU

Year: 13636 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,257,980 km

• M1: 62,682 km (0.105 R)
• M2: 266,733 km (0.104 R)
• M3: 638,035 km (0.103 R)
• M4: 1,170,903 km (0.118 R)
• M5: 1,568,982 km (0.111 R)
• M6: 2,433,658 km (0.094 R)
• M7: 3,205,733 km (0.09 R)
• M8: 3,415,170 km (0.059 R)
• M9: 3,718,255 km (0.091 R)
• M10: 4,038,843 km (0.082 R)
• M11: 5,112,358 km (0.104 R)
• M12: 5,810,082 km (0.114 R)
• M13: 11,439,001 km (0.063 R)
• M14: 12,625,761 km (0.102 R)
• M15: 14,309,336 km (0.113 R)
• M16: 14,734,493 km (0.096 R)
• M17: 16,366,157 km (0.111 R)
• M18: 19,634,421 km (0.096 R)
• M19: 21,420,770 km (0.117 R)
• M20: 23,410,122 km (0.089 R)
• M21: 24,399,263 km (0.111 R)
• M22: 25,519,153 km (0.072 R)
• M23: 25,830,466 km (0.119 R)
• M24: 26,886,477 km (0.091 R)
• M25: 30,691,798 km (0.082 R)
• M26: 33,584,124 km (0.054 R)
• M27: 34,208,695 km (0.034 R)
• M28: 35,096,109 km (0.052 R)
• M29: 38,255,317 km (0.086 R)
• M30: 44,679,947 km (0.078 R)
• M31: 48,541,966 km (0.075 R)
• M32: 49,179,851 km (0.088 R)
• M33: 50,309,614 km (0.08 R)
• M34: 51,787,342 km (0.079 R)
• M35: 57,988,024 km (0.085 R)
• M36: 60,343,443 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.7

Radius: 4.7

Gravity: 14.88 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.18 AU - 10.14 AU

Year: 18187 Days

Day: 16.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,257,980 km

• M1: 58,493 km (0.091 R)
• M2: 295,905 km (0.113 R)
• M3: 498,610 km (0.111 R)
• M4: 694,583 km (0.114 R)
• M5: 1,463,366 km (0.078 R)
• M6: 1,738,477 km (0.109 R)
• M7: 3,220,992 km (0.074 R)
• M8: 3,993,066 km (0.115 R)
• M9: 7,957,260 km (0.062 R)
• M10: 13,499,113 km (0.107 R)
• M11: 16,632,441 km (0.072 R)
• M12: 18,566,891 km (0.069 R)
• M13: 18,727,858 km (0.106 R)
• M14: 20,049,107 km (0.067 R)
• M15: 20,388,843 km (0.101 R)
• M16: 27,387,780 km (0.059 R)
• M17: 36,082,408 km (0.114 R)
• M18: 37,092,343 km (0.118 R)
• M19: 37,347,856 km (0.089 R)
• M20: 42,286,980 km (0.096 R)
• M21: 46,301,588 km (0.114 R)
• M22: 46,746,193 km (0.065 R)
• M23: 48,248,904 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.4

Radius: 3.1

Gravity: 19.81 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.67 AU - 13.05 AU

Year: 23478 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,257,980 km

• M1: 38,746 km (0.119 R)
• M2: 162,762 km (0.093 R)
• M3: 411,394 km (0.102 R)
• M4: 840,740 km (0.108 R)
• M5: 1,101,489 km (0.116 R)
• M6: 1,290,132 km (0.088 R)
• M7: 1,499,868 km (0.038 R)
• M8: 1,605,335 km (0.081 R)
• M9: 1,748,051 km (0.084 R)
• M10: 1,847,982 km (0.073 R)
• M11: 2,572,186 km (0.077 R)
• M12: 3,467,679 km (0.119 R)
• M13: 4,188,441 km (0.056 R)
• M14: 6,222,075 km (0.094 R)
• M15: 7,235,002 km (0.114 R)
• M16: 7,625,003 km (0.095 R)
• M17: 8,213,073 km (0.105 R)
• M18: 8,733,673 km (0.041 R)
• M19: 10,372,817 km (0.063 R)
• M20: 22,871,420 km (0.112 R)
• M21: 27,263,913 km (0.094 R)
• M22: 30,041,347 km (0.086 R)
• M23: 32,417,859 km (0.093 R)
• M24: 37,413,081 km (0.059 R)
• M25: 40,293,588 km (0.112 R)
• M26: 45,610,745 km (0.118 R)
• M27: 49,352,637 km (0.12 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 14,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit