🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.43 AU - 0.57 AU

Year: 228 Days

Day: 33 Hours

Environment

Temp: -125 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.47 AU - 0.79 AU

Year: 323 Days

Day: 29.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,823,585 km

• M1: 357,838 km (0.049 R)

Asteroid Belt

Center: 1.4 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.4

Radius: 8

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.75 AU - 2.57 AU

Year: 2050 Days

Day: 10.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,823,585 km

• M1: 99,632 km (0.113 R)
• M2: 626,366 km (0.101 R)
• M3: 927,058 km (0.092 R)
• M4: 1,324,540 km (0.087 R)
• M5: 1,903,184 km (0.12 R)
• M6: 3,017,389 km (0.05 R)
• M7: 3,368,944 km (0.112 R)
• M8: 4,647,258 km (0.053 R)
• M9: 5,117,294 km (0.075 R)
• M10: 5,405,869 km (0.081 R)
• M11: 6,038,668 km (0.12 R)
• M12: 6,792,940 km (0.105 R)
• M13: 8,261,991 km (0.11 R)
• M14: 10,187,166 km (0.09 R)
• M15: 11,392,476 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563

Radius: 14.2

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.92 AU - 2.64 AU

Year: 2223 Days

Day: 14.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,823,585 km

• M1: 176,675 km (0.095 R)
• M2: 899,682 km (0.098 R)
• M3: 1,349,971 km (0.102 R)
• M4: 1,979,180 km (0.068 R)
• M5: 2,700,690 km (0.099 R)
• M6: 3,697,311 km (0.114 R)
• M7: 4,330,260 km (0.069 R)
• M8: 5,815,318 km (0.069 R)
• M9: 6,439,440 km (0.041 R)
• M10: 6,998,039 km (0.098 R)
• M11: 8,459,460 km (0.047 R)
• M12: 9,130,706 km (0.032 R)
• M13: 9,802,849 km (0.067 R)
• M14: 10,946,824 km (0.114 R)
• M15: 11,783,675 km (0.043 R)
• M16: 12,827,419 km (0.078 R)
• M17: 13,542,497 km (0.064 R)
• M18: 16,232,715 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.6

Radius: 8.5

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.23 AU - 4.11 AU

Year: 4540 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,823,585 km

• M1: 105,766 km (0.051 R)
• M2: 370,404 km (0.117 R)
• M3: 886,517 km (0.088 R)
• M4: 1,209,948 km (0.09 R)
• M5: 1,539,212 km (0.089 R)
• M6: 1,942,379 km (0.111 R)
• M7: 2,207,915 km (0.101 R)
• M8: 2,582,807 km (0.12 R)
• M9: 2,962,038 km (0.114 R)
• M10: 3,235,054 km (0.108 R)
• M11: 3,698,508 km (0.06 R)
• M12: 5,024,992 km (0.073 R)
• M13: 5,415,443 km (0.07 R)
• M14: 6,676,403 km (0.102 R)
• M15: 9,388,314 km (0.06 R)
• M16: 9,724,310 km (0.088 R)
• M17: 10,826,398 km (0.12 R)
• M18: 11,383,949 km (0.062 R)
• M19: 12,506,083 km (0.063 R)
• M20: 13,224,302 km (0.106 R)
• M21: 14,297,667 km (0.06 R)
• M22: 14,630,672 km (0.114 R)
• M23: 15,025,760 km (0.099 R)
• M24: 15,602,609 km (0.061 R)
• M25: 19,649,082 km (0.096 R)
• M26: 21,331,310 km (0.044 R)
• M27: 21,693,486 km (0.074 R)
• M28: 23,031,490 km (0.117 R)
• M29: 23,566,452 km (0.101 R)
• M30: 25,060,187 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 10.5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.51 AU - 5.39 AU

Year: 6061 Days

Day: 8 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,823,585 km

• M1: 145,409 km (0.086 R)
• M2: 486,043 km (0.072 R)
• M3: 906,713 km (0.116 R)
• M4: 1,287,589 km (0.045 R)
• M5: 2,305,004 km (0.077 R)
• M6: 2,750,058 km (0.098 R)
• M7: 3,418,611 km (0.103 R)
• M8: 4,265,634 km (0.117 R)
• M9: 5,106,075 km (0.102 R)
• M10: 5,506,997 km (0.044 R)
• M11: 7,578,329 km (0.047 R)
• M12: 9,303,043 km (0.118 R)
• M13: 9,902,930 km (0.037 R)
• M14: 11,710,671 km (0.056 R)
• M15: 12,770,422 km (0.07 R)
• M16: 13,619,989 km (0.098 R)
• M17: 15,022,020 km (0.075 R)
• M18: 15,549,651 km (0.098 R)
• M19: 16,028,963 km (0.09 R)
• M20: 19,944,089 km (0.066 R)
• M21: 20,510,167 km (0.059 R)
• M22: 24,454,465 km (0.099 R)
• M23: 29,147,649 km (0.084 R)
• M24: 31,848,938 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.8

Radius: 8.3

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.61 AU - 5.89 AU

Year: 7767 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,823,585 km

• M1: 103,223 km (0.086 R)
• M2: 518,357 km (0.083 R)
• M3: 873,652 km (0.063 R)
• M4: 1,296,116 km (0.065 R)
• M5: 1,590,375 km (0.106 R)
• M6: 2,737,791 km (0.088 R)
• M7: 4,016,703 km (0.101 R)
• M8: 5,004,946 km (0.054 R)
• M9: 6,795,184 km (0.109 R)
• M10: 8,898,680 km (0.033 R)
• M11: 11,768,266 km (0.118 R)
• M12: 23,745,820 km (0.09 R)
• M13: 26,116,048 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.8

Radius: 7.4

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.67 AU - 8.87 AU

Year: 13984 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,823,585 km

• M1: 101,577 km (0.087 R)
• M2: 620,532 km (0.12 R)
• M3: 1,493,286 km (0.071 R)
• M4: 2,468,215 km (0.112 R)
• M5: 3,152,775 km (0.11 R)
• M6: 4,082,825 km (0.076 R)
• M7: 4,520,249 km (0.117 R)
• M8: 5,159,930 km (0.068 R)
• M9: 5,724,363 km (0.087 R)
• M10: 8,229,828 km (0.116 R)
• M11: 9,740,766 km (0.105 R)
• M12: 17,702,365 km (0.087 R)
• M13: 18,276,521 km (0.105 R)
• M14: 20,698,212 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.4

Radius: 7.8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 9.17 AU - 11.81 AU

Year: 21937 Days

Day: 16.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,823,585 km

• M1: 106,663 km (0.09 R)
• M2: 482,304 km (0.102 R)
• M3: 847,322 km (0.118 R)
• M4: 3,579,129 km (0.041 R)
• M5: 4,038,395 km (0.06 R)
• M6: 4,450,537 km (0.084 R)
• M7: 5,488,895 km (0.092 R)
• M8: 7,701,897 km (0.051 R)
• M9: 11,549,105 km (0.06 R)
• M10: 12,154,677 km (0.113 R)
• M11: 13,250,183 km (0.097 R)
• M12: 13,913,799 km (0.091 R)
• M13: 16,308,861 km (0.078 R)
• M14: 27,954,307 km (0.101 R)
• M15: 31,734,196 km (0.103 R)
• M16: 35,957,195 km (0.109 R)
• M17: 42,193,331 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 19,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit