🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.42 AU - 0.64 AU

Year: 249 Days

Day: 15.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 131.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.4

Radius: 14.2

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.15 AU - 1.27 AU

Year: 859 Days

Day: 9.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,884,926 km

• M1: 176,825 km (0.073 R)
• M2: 622,028 km (0.118 R)
• M3: 1,140,534 km (0.117 R)
• M4: 1,703,920 km (0.063 R)
• M5: 2,169,768 km (0.106 R)
• M6: 2,645,638 km (0.04 R)
• M7: 3,356,677 km (0.083 R)
• M8: 3,999,649 km (0.12 R)
• M9: 4,695,578 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.8

Radius: 13.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.99 AU - 1.63 AU

Year: 968 Days

Day: 11.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 119.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,884,926 km

• M1: 170,392 km (0.117 R)
• M2: 598,691 km (0.068 R)
• M3: 1,072,018 km (0.082 R)
• M4: 1,535,323 km (0.076 R)
• M5: 1,991,596 km (0.11 R)
• M6: 2,728,665 km (0.072 R)
• M7: 3,496,701 km (0.097 R)
• M8: 4,164,057 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 13.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.11 AU - 1.69 AU

Year: 1070 Days

Day: 9.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,884,926 km

• M1: 169,195 km (0.12 R)
• M2: 913,145 km (0.074 R)
• M3: 1,364,482 km (0.055 R)
• M4: 1,826,291 km (0.085 R)
• M5: 2,362,150 km (0.09 R)
• M6: 3,103,258 km (0.068 R)
• M7: 4,195,771 km (0.063 R)
• M8: 5,999,772 km (0.113 R)
• M9: 7,199,846 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955

Radius: 13.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.73 AU - 2.05 AU

Year: 1678 Days

Day: 8 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,884,926 km

• M1: 165,455 km (0.109 R)
• M2: 708,645 km (0.106 R)
• M3: 1,151,455 km (0.109 R)
• M4: 2,132,817 km (0.12 R)
• M5: 2,981,635 km (0.096 R)
• M6: 3,527,518 km (0.112 R)
• M7: 4,177,670 km (0.061 R)
• M8: 4,779,652 km (0.111 R)
• M9: 6,058,714 km (0.061 R)
• M10: 7,131,779 km (0.076 R)
• M11: 8,451,382 km (0.117 R)
• M12: 9,997,177 km (0.112 R)
• M13: 13,599,643 km (0.095 R)
• M14: 15,247,464 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.8

Radius: 10.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.03 AU - 2.97 AU

Year: 2552 Days

Day: 5.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,884,926 km

• M1: 131,945 km (0.086 R)
• M2: 519,404 km (0.074 R)
• M3: 945,010 km (0.106 R)
• M4: 1,816,717 km (0.069 R)
• M5: 2,160,193 km (0.073 R)
• M6: 5,934,847 km (0.108 R)
• M7: 8,889,554 km (0.113 R)
• M8: 12,371,146 km (0.11 R)
• M9: 13,223,853 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.3

Radius: 4.7

Gravity: 34.51 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.86 AU - 8.32 AU

Year: 14857 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 77,884,926 km

• M1: 58,642 km (0.115 R)
• M2: 217,366 km (0.105 R)
• M3: 583,132 km (0.037 R)
• M4: 1,274,574 km (0.104 R)
• M5: 1,634,357 km (0.052 R)
• M6: 1,820,606 km (0.094 R)
• M7: 2,444,429 km (0.074 R)
• M8: 3,149,185 km (0.089 R)
• M9: 3,862,019 km (0.107 R)
• M10: 4,224,943 km (0.111 R)
• M11: 6,639,453 km (0.101 R)
• M12: 8,184,051 km (0.077 R)
• M13: 8,529,472 km (0.028 R)
• M14: 8,884,468 km (0.109 R)
• M15: 9,569,925 km (0.03 R)
• M16: 13,329,320 km (0.101 R)
• M17: 21,285,683 km (0.051 R)
• M18: 21,656,985 km (0.054 R)
• M19: 22,222,016 km (0.072 R)
• M20: 23,479,835 km (0.043 R)
• M21: 23,876,269 km (0.116 R)
• M22: 25,820,293 km (0.058 R)
• M23: 26,242,608 km (0.087 R)
• M24: 27,647,033 km (0.118 R)
• M25: 28,535,794 km (0.075 R)
• M26: 29,788,526 km (0.088 R)
• M27: 30,840,499 km (0.054 R)
• M28: 31,315,921 km (0.097 R)
• M29: 32,771,358 km (0.107 R)
• M30: 33,142,211 km (0.113 R)
• M31: 34,018,257 km (0.091 R)
• M32: 34,909,710 km (0.111 R)
• M33: 36,738,993 km (0.105 R)
• M34: 38,768,887 km (0.11 R)
• M35: 43,793,281 km (0.099 R)
• M36: 44,544,860 km (0.098 R)
• M37: 52,201,130 km (0.085 R)
• M38: 52,537,875 km (0.063 R)
• M39: 53,556,935 km (0.073 R)
• M40: 55,634,251 km (0.09 R)
• M41: 62,187,685 km (0.094 R)

Asteroid Belt

Center: 9.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.2

Radius: 5.4

Gravity: 20.41 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.3 AU - 10.86 AU

Year: 22220 Days

Day: 20 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,884,926 km

• M1: 67,169 km (0.072 R)
• M2: 340,485 km (0.096 R)
• M3: 521,049 km (0.117 R)
• M4: 819,198 km (0.111 R)
• M5: 1,775,428 km (0.099 R)
• M6: 2,788,056 km (0.089 R)
• M7: 3,019,035 km (0.107 R)
• M8: 3,207,378 km (0.11 R)
• M9: 3,403,651 km (0.046 R)
• M10: 4,203,700 km (0.071 R)
• M11: 5,669,311 km (0.049 R)
• M12: 7,790,758 km (0.112 R)
• M13: 8,781,245 km (0.092 R)
• M14: 9,110,660 km (0.087 R)
• M15: 10,696,397 km (0.085 R)
• M16: 16,130,690 km (0.111 R)
• M17: 17,385,068 km (0.091 R)
• M18: 21,735,075 km (0.115 R)
• M19: 23,999,837 km (0.068 R)
• M20: 24,860,773 km (0.069 R)
• M21: 25,520,050 km (0.108 R)
• M22: 28,750,916 km (0.066 R)
• M23: 30,215,329 km (0.106 R)
• M24: 33,690,787 km (0.113 R)
• M25: 34,905,970 km (0.067 R)
• M26: 40,209,364 km (0.032 R)
• M27: 41,883,963 km (0.087 R)
• M28: 44,241,476 km (0.116 R)
• M29: 53,097,819 km (0.086 R)
• M30: 54,741,601 km (0.098 R)
• M31: 57,175,409 km (0.119 R)
• M32: 58,322,525 km (0.049 R)
• M33: 69,130,672 km (0.029 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 19,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit