🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.44 AU - 0.64 AU

Year: 256 Days

Day: 15.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,587,931 km

• M1: 42,037 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.7

Radius: 15

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.74 AU - 0.76 AU

Year: 419 Days

Day: 9.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,587,931 km

• M1: 186,698 km (0.11 R)
• M2: 692,489 km (0.11 R)
• M3: 1,166,115 km (0.097 R)
• M4: 1,890,468 km (0.109 R)
• M5: 2,597,019 km (0.077 R)
• M6: 3,073,937 km (0.073 R)
• M7: 3,736,356 km (0.058 R)
• M8: 4,776,361 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511

Radius: 11.4

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.17 AU - 1.47 AU

Year: 979 Days

Day: 10.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,587,931 km

• M1: 141,968 km (0.058 R)
• M2: 531,671 km (0.075 R)
• M3: 890,257 km (0.119 R)
• M4: 1,271,731 km (0.063 R)
• M5: 2,047,696 km (0.073 R)
• M6: 2,744,373 km (0.108 R)
• M7: 3,932,330 km (0.119 R)
• M8: 4,309,615 km (0.047 R)
• M9: 4,728,340 km (0.11 R)
• M10: 5,155,741 km (0.082 R)
• M11: 6,047,793 km (0.072 R)
• M12: 6,661,294 km (0.081 R)
• M13: 7,039,777 km (0.076 R)
• M14: 7,432,770 km (0.117 R)
• M15: 7,987,928 km (0.114 R)
• M16: 8,518,701 km (0.064 R)
• M17: 9,235,574 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 8.6

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.25 AU - 1.43 AU

Year: 1002 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,587,931 km

• M1: 106,962 km (0.114 R)
• M2: 732,581 km (0.058 R)
• M3: 1,006,345 km (0.112 R)
• M4: 1,401,283 km (0.039 R)
• M5: 1,703,172 km (0.086 R)
• M6: 2,249,054 km (0.068 R)
• M7: 2,586,248 km (0.099 R)
• M8: 2,907,135 km (0.106 R)
• M9: 3,188,230 km (0.119 R)
• M10: 3,543,974 km (0.072 R)
• M11: 3,835,540 km (0.076 R)
• M12: 4,222,549 km (0.054 R)
• M13: 4,984,900 km (0.115 R)
• M14: 5,333,314 km (0.068 R)
• M15: 6,017,574 km (0.07 R)
• M16: 6,541,316 km (0.118 R)
• M17: 6,959,293 km (0.059 R)
• M18: 8,170,138 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.8

Radius: 11.7

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.74 AU - 4.16 AU

Year: 5069 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,587,931 km

• M1: 146,307 km (0.043 R)
• M2: 521,648 km (0.057 R)
• M3: 1,075,609 km (0.117 R)
• M4: 1,528,890 km (0.102 R)
• M5: 1,979,629 km (0.118 R)
• M6: 3,038,931 km (0.102 R)
• M7: 3,964,344 km (0.049 R)
• M8: 4,518,304 km (0.114 R)
• M9: 5,431,450 km (0.07 R)
• M10: 6,724,574 km (0.119 R)
• M11: 10,347,386 km (0.082 R)
• M12: 10,888,182 km (0.113 R)
• M13: 12,523,436 km (0.051 R)
• M14: 13,665,317 km (0.076 R)
• M15: 14,538,370 km (0.101 R)
• M16: 15,506,567 km (0.025 R)
• M17: 17,889,362 km (0.08 R)
• M18: 20,227,128 km (0.065 R)
• M19: 21,002,045 km (0.092 R)
• M20: 23,064,252 km (0.093 R)
• M21: 24,776,549 km (0.079 R)
• M22: 27,416,353 km (0.119 R)
• M23: 30,056,606 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.2

Radius: 13.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.39 AU - 4.73 AU

Year: 5282 Days

Day: 12.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,587,931 km

• M1: 163,062 km (0.116 R)
• M2: 1,254,378 km (0.083 R)
• M3: 3,213,063 km (0.062 R)
• M4: 3,846,610 km (0.088 R)
• M5: 4,562,436 km (0.083 R)
• M6: 6,580,362 km (0.116 R)
• M7: 7,183,690 km (0.095 R)
• M8: 8,120,172 km (0.115 R)
• M9: 10,235,935 km (0.072 R)
• M10: 12,849,859 km (0.108 R)
• M11: 14,394,158 km (0.105 R)
• M12: 15,704,485 km (0.117 R)
• M13: 20,112,536 km (0.066 R)
• M14: 20,742,493 km (0.064 R)
• M15: 21,241,402 km (0.111 R)
• M16: 22,486,804 km (0.098 R)
• M17: 24,882,315 km (0.118 R)
• M18: 27,187,917 km (0.097 R)
• M19: 29,274,807 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.7

Radius: 5.6

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.05 AU - 7.25 AU

Year: 9848 Days

Day: 20.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,587,931 km

• M1: 69,862 km (0.1 R)
• M2: 430,094 km (0.03 R)
• M3: 1,028,635 km (0.095 R)
• M4: 1,770,042 km (0.101 R)
• M5: 2,261,022 km (0.1 R)
• M6: 2,654,016 km (0.085 R)
• M7: 3,233,558 km (0.063 R)
• M8: 8,120,172 km (0.101 R)
• M9: 9,245,747 km (0.105 R)
• M10: 12,201,950 km (0.097 R)
• M11: 13,134,843 km (0.042 R)
• M12: 13,402,174 km (0.041 R)
• M13: 16,774,559 km (0.107 R)
• M14: 19,751,108 km (0.082 R)
• M15: 21,107,212 km (0.097 R)
• M16: 22,984,516 km (0.069 R)
• M17: 24,726,134 km (0.031 R)
• M18: 29,188,789 km (0.104 R)
• M19: 31,896,660 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.8

Radius: 5.6

Gravity: 26.52 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.71 AU - 8.77 AU

Year: 12578 Days

Day: 16.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,587,931 km

• M1: 69,713 km (0.107 R)
• M2: 291,267 km (0.101 R)
• M3: 538,702 km (0.092 R)
• M4: 832,213 km (0.106 R)
• M5: 1,536,370 km (0.085 R)
• M6: 1,774,979 km (0.051 R)
• M7: 2,038,271 km (0.104 R)
• M8: 2,732,405 km (0.079 R)
• M9: 4,542,539 km (0.12 R)
• M10: 5,036,661 km (0.062 R)
• M11: 5,825,191 km (0.089 R)
• M12: 6,529,199 km (0.057 R)
• M13: 7,734,808 km (0.085 R)
• M14: 7,964,740 km (0.045 R)
• M15: 8,880,429 km (0.099 R)
• M16: 9,546,139 km (0.091 R)
• M17: 9,972,044 km (0.075 R)
• M18: 12,169,488 km (0.119 R)
• M19: 12,355,737 km (0.074 R)
• M20: 13,512,876 km (0.107 R)
• M21: 15,381,354 km (0.088 R)
• M22: 16,490,472 km (0.085 R)
• M23: 18,293,127 km (0.035 R)
• M24: 19,283,914 km (0.036 R)
• M25: 20,136,472 km (0.076 R)
• M26: 22,008,240 km (0.112 R)
• M27: 31,233,791 km (0.107 R)
• M28: 32,171,022 km (0.119 R)
• M29: 34,844,785 km (0.119 R)
• M30: 37,663,059 km (0.056 R)
• M31: 39,805,749 km (0.095 R)
• M32: 43,458,481 km (0.088 R)
• M33: 44,920,949 km (0.106 R)
• M34: 46,264,787 km (0.085 R)
• M35: 47,022,949 km (0.096 R)
• M36: 56,259,421 km (0.094 R)
• M37: 56,776,581 km (0.078 R)
• M38: 58,170,833 km (0.118 R)
• M39: 59,409,503 km (0.047 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit