🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.44 AU - 0.64 AU

Year: 260 Days

Day: 33.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,676,953 km

• M1: 43,383 km (0.118 R)
• M2: 103,073 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.2

Radius: 9.1

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.77 AU - 0.83 AU

Year: 469 Days

Day: 9.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,676,953 km

• M1: 113,246 km (0.065 R)
• M2: 410,197 km (0.112 R)
• M3: 700,417 km (0.101 R)
• M4: 985,700 km (0.093 R)
• M5: 1,405,921 km (0.112 R)
• M6: 1,704,817 km (0.099 R)
• M7: 2,128,479 km (0.081 R)
• M8: 2,526,259 km (0.074 R)
• M9: 2,838,919 km (0.046 R)
• M10: 3,311,349 km (0.107 R)
• M11: 3,860,672 km (0.111 R)
• M12: 4,609,858 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.3

Radius: 14.7

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.66 AU - 1.02 AU

Year: 505 Days

Day: 9.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 72,676,953 km

• M1: 182,809 km (0.091 R)
• M2: 661,971 km (0.114 R)
• M3: 1,508,395 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.2

Radius: 12.2

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.93 AU - 2.19 AU

Year: 1940 Days

Day: 5.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,676,953 km

• M1: 151,692 km (0.091 R)
• M2: 563,535 km (0.069 R)
• M3: 1,629,420 km (0.11 R)
• M4: 2,113,668 km (0.074 R)
• M5: 2,566,800 km (0.069 R)
• M6: 3,229,070 km (0.119 R)
• M7: 3,636,724 km (0.101 R)
• M8: 4,040,489 km (0.062 R)
• M9: 5,274,971 km (0.084 R)
• M10: 6,992,803 km (0.065 R)
• M11: 7,475,256 km (0.08 R)
• M12: 8,010,218 km (0.073 R)
• M13: 9,494,229 km (0.099 R)
• M14: 10,301,609 km (0.074 R)
• M15: 11,078,321 km (0.069 R)
• M16: 12,214,517 km (0.11 R)
• M17: 14,398,945 km (0.115 R)
• M18: 15,417,257 km (0.111 R)
• M19: 15,799,330 km (0.096 R)
• M20: 16,236,605 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.6

Radius: 13.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.04 AU - 2.28 AU

Year: 2083 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,676,953 km

• M1: 167,400 km (0.061 R)
• M2: 638,783 km (0.063 R)
• M3: 1,732,643 km (0.049 R)
• M4: 3,235,952 km (0.036 R)
• M5: 3,733,963 km (0.102 R)
• M6: 5,079,596 km (0.12 R)
• M7: 5,907,171 km (0.117 R)
• M8: 9,052,317 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 11.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.65 AU - 3.79 AU

Year: 4707 Days

Day: 11.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,676,953 km

• M1: 144,362 km (0.103 R)
• M2: 1,161,328 km (0.034 R)
• M3: 1,596,658 km (0.027 R)
• M4: 2,344,199 km (0.11 R)
• M5: 5,602,141 km (0.111 R)
• M6: 9,718,476 km (0.113 R)
• M7: 10,205,118 km (0.111 R)
• M8: 11,096,123 km (0.113 R)
• M9: 14,864,194 km (0.088 R)
• M10: 18,472,195 km (0.119 R)
• M11: 20,776,751 km (0.077 R)
• M12: 23,700,192 km (0.084 R)
• M13: 24,360,667 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11

Radius: 11.5

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.56 AU - 6.8 AU

Year: 8880 Days

Day: 9.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,676,953 km

• M1: 144,811 km (0.045 R)
• M2: 1,108,371 km (0.028 R)
• M3: 2,028,547 km (0.075 R)
• M4: 2,489,907 km (0.077 R)
• M5: 3,672,628 km (0.102 R)
• M6: 5,023,048 km (0.102 R)
• M7: 5,982,868 km (0.1 R)
• M8: 10,780,322 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399

Radius: 4.1

Gravity: 23.74 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.41 AU - 8.51 AU

Year: 13366 Days

Day: 21.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,676,953 km

• M1: 51,013 km (0.085 R)
• M2: 257,308 km (0.082 R)
• M3: 493,972 km (0.118 R)
• M4: 633,697 km (0.068 R)
• M5: 995,424 km (0.093 R)
• M6: 1,387,520 km (0.092 R)
• M7: 1,716,636 km (0.114 R)
• M8: 2,149,273 km (0.036 R)
• M9: 2,314,877 km (0.091 R)
• M10: 2,589,390 km (0.118 R)
• M11: 2,777,135 km (0.039 R)
• M12: 3,110,140 km (0.1 R)
• M13: 3,723,641 km (0.04 R)
• M14: 4,298,096 km (0.064 R)
• M15: 4,898,283 km (0.105 R)
• M16: 6,487,611 km (0.098 R)
• M17: 7,112,631 km (0.119 R)
• M18: 10,220,676 km (0.098 R)
• M19: 10,689,965 km (0.11 R)
• M20: 13,811,923 km (0.094 R)
• M21: 14,320,705 km (0.067 R)
• M22: 14,974,148 km (0.085 R)
• M23: 15,579,122 km (0.103 R)
• M24: 17,053,708 km (0.113 R)
• M25: 18,162,229 km (0.118 R)
• M26: 19,953,813 km (0.055 R)
• M27: 20,685,945 km (0.08 R)
• M28: 22,725,413 km (0.038 R)
• M29: 27,198,538 km (0.119 R)
• M30: 27,496,238 km (0.066 R)
• M31: 28,300,327 km (0.111 R)
• M32: 37,344,715 km (0.107 R)
• M33: 40,096,867 km (0.042 R)
• M34: 44,200,037 km (0.05 R)
• M35: 44,886,991 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.2

Radius: 4.7

Gravity: 21.51 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 9.28 AU - 11.78 AU

Year: 22416 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,676,953 km

• M1: 58,493 km (0.081 R)
• M2: 221,704 km (0.074 R)
• M3: 489,035 km (0.119 R)
• M4: 1,960,929 km (0.1 R)
• M5: 2,201,033 km (0.118 R)
• M6: 2,349,883 km (0.107 R)
• M7: 2,837,722 km (0.097 R)
• M8: 3,145,295 km (0.075 R)
• M9: 3,446,585 km (0.109 R)
• M10: 3,618,772 km (0.054 R)
• M11: 4,267,429 km (0.108 R)
• M12: 4,432,735 km (0.095 R)
• M13: 5,137,041 km (0.067 R)
• M14: 5,593,764 km (0.114 R)
• M15: 7,359,916 km (0.081 R)
• M16: 7,549,905 km (0.104 R)
• M17: 8,139,770 km (0.08 R)
• M18: 9,135,792 km (0.092 R)
• M19: 11,054,235 km (0.109 R)
• M20: 11,620,763 km (0.057 R)
• M21: 12,811,412 km (0.08 R)
• M22: 14,596,863 km (0.114 R)
• M23: 17,702,664 km (0.098 R)
• M24: 20,935,923 km (0.064 R)
• M25: 22,292,925 km (0.099 R)
• M26: 32,442,243 km (0.074 R)
• M27: 33,340,578 km (0.038 R)
• M28: 38,365,720 km (0.086 R)
• M29: 40,244,670 km (0.077 R)
• M30: 41,731,074 km (0.082 R)
• M31: 47,221,465 km (0.06 R)
• M32: 49,714,813 km (0.057 R)
• M33: 51,252,231 km (0.074 R)
• M34: 54,242,243 km (0.059 R)
• M35: 54,962,258 km (0.091 R)
• M36: 55,143,271 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 14,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit