🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.66 AU - 0.78 AU

Year: 227 Days

Day: 20.6 Hours

Environment

Temp: 173 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.92 AU - 1.06 AU

Year: 365 Days

Day: 19 Hours

Environment

Temp: 28 °C

Axial Tilt: 47.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 82,156,891 km

• M1: 167,400 km (0.111 R)

Asteroid Belt

Center: 2.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.7

Radius: 10.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.64 AU - 4.98 AU

Year: 3912 Days

Day: 14.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,156,891 km

• M1: 134,339 km (0.09 R)
• M2: 511,774 km (0.117 R)
• M3: 943,215 km (0.076 R)
• M4: 1,678,488 km (0.118 R)
• M5: 2,565,903 km (0.095 R)
• M6: 7,800,183 km (0.111 R)
• M7: 8,620,876 km (0.067 R)
• M8: 12,813,955 km (0.107 R)
• M9: 14,529,095 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.1

Radius: 9

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.85 AU - 6.13 AU

Year: 4134 Days

Day: 9.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,156,891 km

• M1: 111,899 km (0.074 R)
• M2: 445,502 km (0.025 R)
• M3: 806,931 km (0.044 R)
• M4: 1,137,093 km (0.107 R)
• M5: 1,794,426 km (0.096 R)
• M6: 2,427,973 km (0.104 R)
• M7: 3,610,245 km (0.119 R)
• M8: 4,664,162 km (0.09 R)
• M9: 5,041,299 km (0.118 R)
• M10: 6,847,244 km (0.108 R)
• M11: 7,335,532 km (0.1 R)
• M12: 8,111,047 km (0.035 R)
• M13: 9,786,992 km (0.094 R)
• M14: 10,210,354 km (0.103 R)
• M15: 10,526,005 km (0.119 R)
• M16: 11,639,462 km (0.071 R)
• M17: 12,468,683 km (0.043 R)
• M18: 13,477,571 km (0.079 R)
• M19: 13,857,700 km (0.091 R)
• M20: 15,657,063 km (0.079 R)
• M21: 19,411,670 km (0.101 R)
• M22: 21,208,191 km (0.106 R)
• M23: 21,658,032 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887

Radius: 11.4

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.64 AU - 6.82 AU

Year: 5087 Days

Day: 10.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,156,891 km

• M1: 141,968 km (0.12 R)
• M2: 524,490 km (0.089 R)
• M3: 950,246 km (0.12 R)
• M4: 1,433,297 km (0.071 R)
• M5: 2,093,173 km (0.109 R)
• M6: 2,511,150 km (0.101 R)
• M7: 3,063,016 km (0.082 R)
• M8: 4,018,049 km (0.097 R)
• M9: 4,749,284 km (0.043 R)
• M10: 5,189,550 km (0.088 R)
• M11: 6,089,082 km (0.099 R)
• M12: 7,124,599 km (0.112 R)
• M13: 8,430,738 km (0.12 R)
• M14: 8,831,809 km (0.107 R)
• M15: 9,978,627 km (0.107 R)
• M16: 10,703,728 km (0.102 R)
• M17: 12,984,646 km (0.068 R)
• M18: 14,015,226 km (0.108 R)
• M19: 15,572,540 km (0.109 R)
• M20: 16,116,328 km (0.086 R)
• M21: 16,861,176 km (0.052 R)
• M22: 19,719,692 km (0.08 R)
• M23: 20,285,172 km (0.101 R)
• M24: 21,895,892 km (0.088 R)
• M25: 24,631,738 km (0.093 R)
• M26: 27,064,948 km (0.114 R)
• M27: 28,653,527 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.2

Radius: 5.5

Gravity: 19.87 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 12.12 AU - 15.46 AU

Year: 18991 Days

Day: 24 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,156,891 km

• M1: 68,366 km (0.109 R)
• M2: 471,682 km (0.037 R)
• M3: 1,347,428 km (0.098 R)
• M4: 3,403,800 km (0.098 R)
• M5: 4,704,703 km (0.11 R)
• M6: 4,914,290 km (0.108 R)
• M7: 5,697,734 km (0.099 R)
• M8: 6,518,278 km (0.095 R)
• M9: 7,046,957 km (0.075 R)
• M10: 7,229,317 km (0.103 R)
• M11: 8,239,552 km (0.099 R)
• M12: 9,285,839 km (0.092 R)
• M13: 12,153,331 km (0.055 R)
• M14: 13,929,207 km (0.114 R)
• M15: 17,986,302 km (0.119 R)
• M16: 20,466,784 km (0.104 R)
• M17: 24,288,411 km (0.071 R)
• M18: 34,734,232 km (0.081 R)
• M19: 35,396,651 km (0.092 R)
• M20: 38,411,497 km (0.094 R)
• M21: 39,548,890 km (0.12 R)
• M22: 44,323,456 km (0.071 R)
• M23: 52,878,060 km (0.11 R)
• M24: 56,077,659 km (0.101 R)
• M25: 65,036,178 km (0.094 R)
• M26: 68,912,858 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.5

Radius: 6.6

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 16.45 AU - 18.97 AU

Year: 27640 Days

Day: 18.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,156,891 km

• M1: 82,129 km (0.078 R)
• M2: 293,062 km (0.106 R)
• M3: 645,066 km (0.088 R)
• M4: 1,318,855 km (0.039 R)
• M5: 1,541,307 km (0.12 R)
• M6: 1,807,741 km (0.109 R)
• M7: 2,083,749 km (0.05 R)
• M8: 2,771,450 km (0.06 R)
• M9: 3,847,956 km (0.109 R)
• M10: 4,239,454 km (0.076 R)
• M11: 4,913,392 km (0.053 R)
• M12: 7,611,091 km (0.119 R)
• M13: 8,175,524 km (0.077 R)
• M14: 11,227,619 km (0.107 R)
• M15: 11,555,987 km (0.091 R)
• M16: 13,662,923 km (0.1 R)
• M17: 14,189,059 km (0.032 R)
• M18: 22,311,176 km (0.041 R)
• M19: 29,333,599 km (0.09 R)
• M20: 35,685,974 km (0.08 R)
• M21: 38,881,235 km (0.066 R)
• M22: 39,633,113 km (0.071 R)
• M23: 43,861,796 km (0.104 R)
• M24: 46,168,296 km (0.075 R)
• M25: 52,286,251 km (0.109 R)
• M26: 53,386,543 km (0.099 R)
• M27: 54,128,549 km (0.089 R)
• M28: 55,443,664 km (0.044 R)
• M29: 63,992,733 km (0.114 R)
• M30: 74,296,735 km (0.083 R)
• M31: 77,094,066 km (0.094 R)
• M32: 81,910,968 km (0.05 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 18,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit