🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.44 AU - 0.66 AU

Year: 268 Days

Day: 37.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.3

Radius: 14.2

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.77 AU - 1.13 AU

Year: 607 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,594,872 km

• M1: 176,525 km (0.102 R)
• M2: 654,640 km (0.117 R)
• M3: 1,518,418 km (0.093 R)
• M4: 2,009,997 km (0.04 R)
• M5: 3,003,776 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.5

Radius: 15

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.22 AU - 1.3 AU

Year: 928 Days

Day: 5.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,594,872 km

• M1: 186,549 km (0.12 R)
• M2: 671,395 km (0.114 R)
• M3: 1,380,040 km (0.077 R)
• M4: 2,051,436 km (0.076 R)
• M5: 2,638,757 km (0.051 R)
• M6: 3,113,281 km (0.114 R)
• M7: 3,645,551 km (0.112 R)
• M8: 6,142,937 km (0.053 R)
• M9: 7,737,351 km (0.094 R)
• M10: 8,207,538 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.3

Radius: 10

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.43 AU - 1.69 AU

Year: 1278 Days

Day: 10 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,594,872 km

• M1: 124,465 km (0.115 R)
• M2: 437,275 km (0.112 R)
• M3: 751,879 km (0.101 R)
• M4: 1,111,363 km (0.053 R)
• M5: 1,661,434 km (0.064 R)
• M6: 2,141,194 km (0.092 R)
• M7: 2,494,096 km (0.075 R)
• M8: 2,841,612 km (0.086 R)
• M9: 3,557,587 km (0.047 R)
• M10: 3,986,334 km (0.08 R)
• M11: 4,479,409 km (0.114 R)
• M12: 4,931,793 km (0.084 R)
• M13: 5,483,360 km (0.037 R)
• M14: 6,830,040 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 14.9

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.03 AU - 2.97 AU

Year: 2593 Days

Day: 9.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,594,872 km

• M1: 185,352 km (0.073 R)
• M2: 737,817 km (0.09 R)
• M3: 1,335,161 km (0.098 R)
• M4: 1,901,838 km (0.087 R)
• M5: 2,615,270 km (0.042 R)
• M6: 4,710,687 km (0.118 R)
• M7: 6,283,260 km (0.082 R)
• M8: 6,952,262 km (0.095 R)
• M9: 8,276,652 km (0.115 R)
• M10: 8,753,869 km (0.071 R)
• M11: 9,350,615 km (0.112 R)
• M12: 12,544,978 km (0.11 R)
• M13: 13,565,086 km (0.092 R)
• M14: 14,230,198 km (0.049 R)
• M15: 15,197,947 km (0.119 R)
• M16: 16,258,446 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.2

Radius: 13.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.55 AU - 3.65 AU

Year: 3581 Days

Day: 11 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,594,872 km

• M1: 164,258 km (0.091 R)
• M2: 584,628 km (0.039 R)
• M3: 1,400,834 km (0.116 R)
• M4: 2,271,943 km (0.034 R)
• M5: 2,996,146 km (0.109 R)
• M6: 4,782,794 km (0.114 R)
• M7: 7,196,705 km (0.084 R)
• M8: 8,637,631 km (0.077 R)
• M9: 9,459,073 km (0.106 R)
• M10: 10,401,390 km (0.117 R)
• M11: 11,039,575 km (0.11 R)
• M12: 12,161,260 km (0.066 R)
• M13: 12,749,778 km (0.085 R)
• M14: 13,275,315 km (0.066 R)

Asteroid Belt

Center: 5.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.5

Radius: 7.6

Gravity: 15.78 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.19 AU - 8.47 AU

Year: 13019 Days

Day: 22.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,594,872 km

• M1: 97,987 km (0.119 R)
• M2: 436,676 km (0.065 R)
• M3: 858,093 km (0.1 R)
• M4: 1,236,277 km (0.118 R)
• M5: 2,189,963 km (0.072 R)
• M6: 2,950,220 km (0.116 R)
• M7: 3,817,588 km (0.107 R)
• M8: 4,811,367 km (0.095 R)
• M9: 5,154,694 km (0.116 R)
• M10: 5,737,976 km (0.077 R)
• M11: 6,528,002 km (0.101 R)
• M12: 7,433,518 km (0.114 R)
• M13: 7,706,983 km (0.047 R)
• M14: 8,274,258 km (0.077 R)
• M15: 9,544,793 km (0.09 R)
• M16: 13,050,619 km (0.033 R)
• M17: 16,858,184 km (0.091 R)
• M18: 18,719,182 km (0.112 R)
• M19: 19,742,730 km (0.074 R)
• M20: 21,993,879 km (0.11 R)
• M21: 31,869,582 km (0.109 R)
• M22: 39,323,745 km (0.12 R)
• M23: 47,547,888 km (0.088 R)
• M24: 60,442,626 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.6

Radius: 4.9

Gravity: 18.64 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.74 AU - 11.72 AU

Year: 23057 Days

Day: 21.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,594,872 km

• M1: 62,831 km (0.059 R)
• M2: 235,467 km (0.119 R)
• M3: 392,694 km (0.072 R)
• M4: 566,378 km (0.085 R)
• M5: 920,625 km (0.095 R)
• M6: 1,321,099 km (0.098 R)
• M7: 1,552,975 km (0.12 R)
• M8: 2,328,042 km (0.102 R)
• M9: 3,559,083 km (0.082 R)
• M10: 3,794,849 km (0.083 R)
• M11: 4,232,573 km (0.116 R)
• M12: 4,463,701 km (0.082 R)
• M13: 4,915,188 km (0.034 R)
• M14: 5,708,056 km (0.096 R)
• M15: 6,670,569 km (0.062 R)
• M16: 9,458,026 km (0.039 R)
• M17: 11,293,143 km (0.107 R)
• M18: 12,798,995 km (0.091 R)
• M19: 14,882,295 km (0.053 R)
• M20: 15,572,091 km (0.104 R)
• M21: 16,363,314 km (0.118 R)
• M22: 25,368,957 km (0.114 R)
• M23: 27,021,415 km (0.104 R)
• M24: 32,789,460 km (0.095 R)
• M25: 35,014,279 km (0.085 R)
• M26: 36,782,077 km (0.083 R)
• M27: 40,347,144 km (0.027 R)
• M28: 41,086,756 km (0.072 R)
• M29: 43,052,023 km (0.091 R)
• M30: 50,338,188 km (0.117 R)
• M31: 58,028,565 km (0.046 R)
• M32: 61,857,822 km (0.065 R)
• M33: 71,944,010 km (0.072 R)
• M34: 72,594,910 km (0.088 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 17,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit