🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.5 AU - 0.56 AU

Year: 249 Days

Day: 21.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.8

Radius: 12.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.59 AU - 0.91 AU

Year: 419 Days

Day: 8.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,362,599 km

• M1: 154,235 km (0.099 R)
• M2: 614,099 km (0.09 R)
• M3: 1,165,667 km (0.087 R)
• M4: 1,811,032 km (0.066 R)
• M5: 2,213,450 km (0.114 R)
• M6: 2,847,745 km (0.115 R)
• M7: 3,387,644 km (0.119 R)
• M8: 4,006,829 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 11

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.03 AU - 1.21 AU

Year: 765 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,362,599 km

• M1: 136,732 km (0.087 R)
• M2: 598,840 km (0.103 R)
• M3: 1,057,358 km (0.085 R)
• M4: 1,628,822 km (0.098 R)
• M5: 1,996,533 km (0.032 R)
• M6: 2,398,353 km (0.107 R)
• M7: 2,929,126 km (0.035 R)
• M8: 3,818,336 km (0.061 R)
• M9: 4,227,636 km (0.057 R)
• M10: 4,807,178 km (0.06 R)
• M11: 5,419,781 km (0.071 R)
• M12: 6,000,221 km (0.081 R)
• M13: 6,511,696 km (0.119 R)
• M14: 9,490,190 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.9

Radius: 14.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.88 AU - 4.08 AU

Year: 5127 Days

Day: 14.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,362,599 km

• M1: 177,872 km (0.085 R)
• M2: 878,887 km (0.091 R)
• M3: 1,333,216 km (0.054 R)
• M4: 3,429,980 km (0.101 R)
• M5: 4,189,189 km (0.097 R)
• M6: 5,481,416 km (0.108 R)
• M7: 6,073,374 km (0.067 R)
• M8: 7,089,892 km (0.087 R)
• M9: 7,690,677 km (0.116 R)
• M10: 10,441,183 km (0.06 R)
• M11: 11,220,439 km (0.079 R)
• M12: 12,037,991 km (0.12 R)
• M13: 15,216,198 km (0.1 R)
• M14: 16,504,385 km (0.055 R)
• M15: 17,383,123 km (0.066 R)
• M16: 18,169,559 km (0.109 R)
• M17: 22,251,636 km (0.069 R)
• M18: 25,187,943 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.2

Radius: 14.6

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.13 AU - 5.21 AU

Year: 5498 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,362,599 km

• M1: 181,612 km (0.101 R)
• M2: 763,697 km (0.118 R)
• M3: 1,219,223 km (0.065 R)
• M4: 2,139,100 km (0.102 R)
• M5: 2,702,934 km (0.108 R)
• M6: 3,609,946 km (0.113 R)
• M7: 4,441,262 km (0.052 R)
• M8: 5,099,492 km (0.036 R)
• M9: 8,825,676 km (0.061 R)
• M10: 10,995,144 km (0.089 R)
• M11: 12,204,194 km (0.086 R)
• M12: 12,741,699 km (0.118 R)
• M13: 13,448,699 km (0.106 R)
• M14: 14,721,478 km (0.117 R)
• M15: 16,541,785 km (0.117 R)
• M16: 18,190,951 km (0.117 R)
• M17: 19,023,015 km (0.076 R)
• M18: 22,461,671 km (0.077 R)
• M19: 24,174,866 km (0.076 R)
• M20: 26,619,744 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.1

Radius: 7.1

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.88 AU - 7.24 AU

Year: 9632 Days

Day: 19.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,362,599 km

• M1: 88,263 km (0.108 R)
• M2: 449,990 km (0.118 R)
• M3: 1,501,514 km (0.061 R)
• M4: 1,836,912 km (0.083 R)
• M5: 2,377,110 km (0.116 R)
• M6: 3,191,072 km (0.089 R)
• M7: 3,451,672 km (0.101 R)
• M8: 3,880,569 km (0.07 R)
• M9: 5,523,303 km (0.101 R)
• M10: 5,841,198 km (0.113 R)
• M11: 7,202,838 km (0.073 R)
• M12: 7,582,518 km (0.081 R)
• M13: 8,648,253 km (0.095 R)
• M14: 9,852,217 km (0.069 R)
• M15: 10,714,499 km (0.097 R)
• M16: 14,290,785 km (0.081 R)
• M17: 14,780,569 km (0.077 R)
• M18: 15,507,614 km (0.091 R)
• M19: 18,335,613 km (0.114 R)
• M20: 20,446,738 km (0.118 R)
• M21: 21,631,703 km (0.098 R)
• M22: 23,757,638 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.2

Radius: 6

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.61 AU - 8.63 AU

Year: 16341 Days

Day: 22.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,362,599 km

• M1: 97,987 km (0.027 R)
• M2: 286,630 km (0.038 R)
• M3: 555,008 km (0.113 R)
• M4: 910,453 km (0.071 R)
• M5: 1,190,500 km (0.066 R)
• M6: 1,581,848 km (0.04 R)
• M7: 2,948,424 km (0.102 R)
• M8: 3,565,665 km (0.1 R)
• M9: 4,960,965 km (0.117 R)
• M10: 5,240,413 km (0.106 R)
• M11: 7,340,169 km (0.058 R)
• M12: 8,335,294 km (0.058 R)
• M13: 8,775,411 km (0.082 R)
• M14: 10,438,341 km (0.078 R)
• M15: 11,211,463 km (0.111 R)
• M16: 11,693,318 km (0.032 R)
• M17: 15,006,611 km (0.085 R)
• M18: 15,264,817 km (0.119 R)
• M19: 16,327,261 km (0.102 R)
• M20: 17,509,234 km (0.069 R)
• M21: 18,821,806 km (0.101 R)
• M22: 20,513,458 km (0.035 R)
• M23: 25,000,048 km (0.118 R)
• M24: 30,716,931 km (0.074 R)
• M25: 31,553,632 km (0.108 R)
• M26: 37,012,159 km (0.101 R)
• M27: 40,397,409 km (0.11 R)
• M28: 43,851,773 km (0.031 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.2

Radius: 6.5

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 10.71 AU - 11.67 AU

Year: 24169 Days

Day: 18 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,362,599 km

• M1: 81,680 km (0.065 R)
• M2: 668,702 km (0.063 R)
• M3: 974,331 km (0.053 R)
• M4: 1,583,194 km (0.094 R)
• M5: 2,017,477 km (0.117 R)
• M6: 2,506,363 km (0.074 R)
• M7: 3,173,270 km (0.107 R)
• M8: 6,406,978 km (0.083 R)
• M9: 6,788,153 km (0.083 R)
• M10: 7,229,317 km (0.064 R)
• M11: 8,465,893 km (0.076 R)
• M12: 9,187,104 km (0.057 R)
• M13: 10,060,756 km (0.112 R)
• M14: 12,946,499 km (0.073 R)
• M15: 13,282,645 km (0.056 R)
• M16: 13,487,146 km (0.076 R)
• M17: 15,649,433 km (0.102 R)
• M18: 19,397,608 km (0.108 R)
• M19: 20,556,243 km (0.107 R)
• M20: 21,666,260 km (0.111 R)
• M21: 23,603,851 km (0.106 R)
• M22: 24,512,359 km (0.097 R)
• M23: 26,399,087 km (0.109 R)
• M24: 31,053,526 km (0.093 R)
• M25: 33,133,984 km (0.092 R)
• M26: 35,698,540 km (0.11 R)
• M27: 41,654,181 km (0.099 R)
• M28: 43,727,607 km (0.119 R)
• M29: 44,789,602 km (0.041 R)
• M30: 49,047,307 km (0.062 R)
• M31: 51,190,447 km (0.108 R)
• M32: 53,051,743 km (0.119 R)
• M33: 63,231,729 km (0.082 R)
• M34: 64,784,555 km (0.113 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: 186 - 15,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit