🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.68 AU - 1.08 AU

Year: 305 Days

Day: 33.5 Hours

Environment

Temp: 71 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.44 AU - 2.36 AU

Year: 966 Days

Day: 34.7 Hours

Environment

Temp: -71 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159

Radius: 9.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.47 AU - 5.65 AU

Year: 4200 Days

Day: 5.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 103,051,400 km

• M1: 119,977 km (0.099 R)
• M2: 621,130 km (0.05 R)
• M3: 1,010,982 km (0.105 R)
• M4: 2,012,540 km (0.07 R)
• M5: 2,629,781 km (0.115 R)
• M6: 3,555,642 km (0.12 R)
• M7: 4,199,811 km (0.103 R)
• M8: 5,719,875 km (0.113 R)
• M9: 6,214,595 km (0.116 R)
• M10: 6,657,255 km (0.081 R)
• M11: 7,723,289 km (0.028 R)
• M12: 8,453,028 km (0.118 R)
• M13: 9,395,045 km (0.033 R)
• M14: 9,978,926 km (0.092 R)
• M15: 10,333,623 km (0.075 R)
• M16: 10,770,448 km (0.085 R)
• M17: 11,143,695 km (0.077 R)
• M18: 13,524,844 km (0.061 R)
• M19: 13,959,576 km (0.072 R)
• M20: 14,358,852 km (0.088 R)
• M21: 14,811,386 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 8.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.18 AU - 8.9 AU

Year: 8411 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 103,051,400 km

• M1: 113,545 km (0.092 R)
• M2: 516,561 km (0.055 R)
• M3: 1,117,945 km (0.103 R)
• M4: 1,614,311 km (0.089 R)
• M5: 3,625,205 km (0.108 R)
• M6: 4,297,947 km (0.11 R)
• M7: 5,600,944 km (0.056 R)
• M8: 6,562,559 km (0.098 R)
• M9: 6,917,406 km (0.105 R)
• M10: 8,022,784 km (0.084 R)
• M11: 8,391,393 km (0.102 R)
• M12: 8,771,222 km (0.067 R)
• M13: 9,402,675 km (0.119 R)
• M14: 10,934,258 km (0.061 R)
• M15: 13,328,123 km (0.115 R)
• M16: 23,379,903 km (0.109 R)
• M17: 24,132,829 km (0.062 R)
• M18: 24,438,607 km (0.113 R)
• M19: 25,608,014 km (0.114 R)
• M20: 26,085,979 km (0.085 R)
• M21: 27,639,254 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.6

Radius: 4.9

Gravity: 18.48 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 9.79 AU - 15.77 AU

Year: 16857 Days

Day: 16 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 103,051,400 km

• M1: 61,036 km (0.111 R)
• M2: 251,175 km (0.072 R)
• M3: 523,293 km (0.112 R)
• M4: 694,284 km (0.112 R)
• M5: 1,033,871 km (0.109 R)
• M6: 1,281,156 km (0.061 R)
• M7: 2,001,769 km (0.1 R)
• M8: 2,208,214 km (0.119 R)
• M9: 2,821,416 km (0.12 R)
• M10: 4,377,234 km (0.071 R)
• M11: 5,196,880 km (0.056 R)
• M12: 6,114,065 km (0.09 R)
• M13: 8,169,390 km (0.102 R)
• M14: 8,454,972 km (0.044 R)
• M15: 9,249,188 km (0.102 R)
• M16: 9,983,863 km (0.104 R)
• M17: 10,700,287 km (0.106 R)
• M18: 11,042,268 km (0.118 R)
• M19: 15,298,925 km (0.07 R)
• M20: 16,324,269 km (0.083 R)
• M21: 21,239,906 km (0.077 R)
• M22: 21,508,733 km (0.109 R)
• M23: 24,128,491 km (0.068 R)
• M24: 24,519,241 km (0.055 R)
• M25: 26,124,875 km (0.049 R)
• M26: 28,990,871 km (0.106 R)
• M27: 29,211,079 km (0.079 R)
• M28: 37,643,611 km (0.116 R)
• M29: 40,457,847 km (0.087 R)
• M30: 43,122,035 km (0.09 R)
• M31: 43,842,050 km (0.076 R)
• M32: 51,974,339 km (0.055 R)
• M33: 52,953,757 km (0.051 R)
• M34: 53,283,022 km (0.043 R)
• M35: 57,513,949 km (0.109 R)
• M36: 58,386,254 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.8

Radius: 7.3

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 16.59 AU - 16.85 AU

Year: 25225 Days

Day: 22.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 103,051,400 km

• M1: 90,806 km (0.078 R)
• M2: 677,978 km (0.043 R)
• M3: 1,181,524 km (0.09 R)
• M4: 1,492,987 km (0.074 R)
• M5: 2,082,402 km (0.052 R)
• M6: 2,722,831 km (0.119 R)
• M7: 3,038,333 km (0.061 R)
• M8: 4,388,005 km (0.11 R)
• M9: 5,068,974 km (0.111 R)
• M10: 5,360,241 km (0.033 R)
• M11: 7,032,895 km (0.05 R)
• M12: 7,442,045 km (0.1 R)
• M13: 7,676,166 km (0.115 R)
• M14: 9,785,795 km (0.1 R)
• M15: 10,067,189 km (0.045 R)
• M16: 11,555,388 km (0.064 R)
• M17: 12,061,029 km (0.053 R)
• M18: 13,184,659 km (0.066 R)
• M19: 14,232,592 km (0.073 R)
• M20: 16,257,100 km (0.113 R)
• M21: 17,875,300 km (0.054 R)
• M22: 18,211,446 km (0.032 R)
• M23: 22,580,003 km (0.092 R)
• M24: 36,180,694 km (0.108 R)
• M25: 39,773,287 km (0.106 R)
• M26: 52,306,746 km (0.1 R)
• M27: 54,388,251 km (0.088 R)
• M28: 58,346,461 km (0.05 R)
• M29: 59,272,172 km (0.058 R)
• M30: 64,637,500 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.3

Radius: 4.9

Gravity: 41.29 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 15.68 AU - 18.62 AU

Year: 26204 Days

Day: 16.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 103,051,400 km

• M1: 60,886 km (0.032 R)
• M2: 213,476 km (0.118 R)
• M3: 408,552 km (0.079 R)
• M4: 848,370 km (0.059 R)
• M5: 2,110,676 km (0.057 R)
• M6: 2,445,028 km (0.079 R)
• M7: 3,341,717 km (0.106 R)
• M8: 6,953,459 km (0.083 R)
• M9: 9,445,909 km (0.074 R)
• M10: 10,550,240 km (0.105 R)
• M11: 10,822,060 km (0.108 R)
• M12: 12,177,715 km (0.107 R)
• M13: 13,803,246 km (0.117 R)
• M14: 15,743,680 km (0.052 R)
• M15: 16,009,366 km (0.106 R)
• M16: 20,259,740 km (0.074 R)
• M17: 20,891,941 km (0.063 R)
• M18: 22,306,838 km (0.078 R)
• M19: 23,323,056 km (0.077 R)
• M20: 28,606,554 km (0.053 R)
• M21: 32,017,684 km (0.103 R)
• M22: 33,747,335 km (0.117 R)
• M23: 34,934,394 km (0.056 R)
• M24: 49,123,453 km (0.061 R)
• M25: 49,691,027 km (0.055 R)
• M26: 53,188,476 km (0.034 R)
• M27: 53,787,017 km (0.062 R)
• M28: 54,997,264 km (0.068 R)
• M29: 56,019,615 km (0.118 R)
• M30: 61,103,849 km (0.096 R)
• M31: 62,642,612 km (0.075 R)
• M32: 68,349,322 km (0.058 R)
• M33: 75,642,667 km (0.116 R)
• M34: 87,805,872 km (0.106 R)
• M35: 94,640,101 km (0.114 R)
• M36: 96,994,771 km (0.117 R)
• M37: 99,086,748 km (0.083 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: 269 - 11,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit