🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.53 AU - 0.57 AU

Year: 268 Days

Day: 33.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 10.9

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.29 AU - 1.81 AU

Year: 1266 Days

Day: 12.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,603,444 km

• M1: 136,284 km (0.052 R)
• M2: 518,357 km (0.056 R)
• M3: 859,440 km (0.062 R)
• M4: 1,205,160 km (0.088 R)
• M5: 1,646,325 km (0.085 R)
• M6: 2,058,766 km (0.109 R)
• M7: 2,709,068 km (0.087 R)
• M8: 3,574,940 km (0.111 R)
• M9: 4,133,988 km (0.064 R)
• M10: 4,853,404 km (0.081 R)
• M11: 5,261,656 km (0.109 R)
• M12: 6,167,771 km (0.042 R)
• M13: 7,018,235 km (0.12 R)
• M14: 7,705,936 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.6

Radius: 10.7

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.09 AU - 2.33 AU

Year: 2155 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,603,444 km

• M1: 133,142 km (0.047 R)
• M2: 574,456 km (0.065 R)
• M3: 1,094,009 km (0.118 R)
• M4: 1,564,794 km (0.091 R)
• M5: 1,947,764 km (0.112 R)
• M6: 2,525,511 km (0.087 R)
• M7: 2,862,705 km (0.083 R)
• M8: 3,425,941 km (0.076 R)
• M9: 4,986,396 km (0.083 R)
• M10: 5,732,441 km (0.052 R)
• M11: 6,603,400 km (0.114 R)
• M12: 7,111,883 km (0.109 R)
• M13: 8,298,343 km (0.093 R)
• M14: 8,891,050 km (0.113 R)
• M15: 9,545,242 km (0.082 R)
• M16: 11,208,920 km (0.105 R)
• M17: 11,894,527 km (0.066 R)
• M18: 12,487,233 km (0.12 R)
• M19: 14,605,539 km (0.114 R)
• M20: 15,193,459 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.8

Radius: 12

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.38 AU - 2.4 AU

Year: 2424 Days

Day: 6.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,603,444 km

• M1: 149,299 km (0.079 R)
• M2: 547,827 km (0.096 R)
• M3: 1,045,689 km (0.028 R)
• M4: 1,465,012 km (0.08 R)
• M5: 2,084,646 km (0.057 R)
• M6: 2,585,500 km (0.107 R)
• M7: 2,984,777 km (0.115 R)
• M8: 3,890,293 km (0.101 R)
• M9: 4,546,728 km (0.1 R)
• M10: 4,947,650 km (0.113 R)
• M11: 5,568,631 km (0.034 R)
• M12: 6,766,012 km (0.089 R)
• M13: 8,192,428 km (0.116 R)
• M14: 8,586,918 km (0.106 R)
• M15: 10,068,535 km (0.078 R)
• M16: 11,796,989 km (0.115 R)
• M17: 15,884,003 km (0.103 R)
• M18: 16,343,717 km (0.111 R)
• M19: 17,397,185 km (0.036 R)
• M20: 18,890,621 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.7

Radius: 13.8

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.43 AU - 2.45 AU

Year: 2500 Days

Day: 6 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,603,444 km

• M1: 171,589 km (0.107 R)
• M2: 832,063 km (0.057 R)
• M3: 1,466,658 km (0.105 R)
• M4: 2,077,166 km (0.107 R)
• M5: 2,712,509 km (0.068 R)
• M6: 3,294,295 km (0.065 R)
• M7: 4,164,356 km (0.052 R)
• M8: 5,014,221 km (0.099 R)
• M9: 5,738,275 km (0.108 R)
• M10: 7,364,703 km (0.083 R)
• M11: 8,335,444 km (0.107 R)
• M12: 10,335,118 km (0.102 R)
• M13: 10,891,473 km (0.064 R)
• M14: 13,459,620 km (0.095 R)
• M15: 15,110,731 km (0.103 R)
• M16: 15,880,712 km (0.116 R)
• M17: 17,554,712 km (0.115 R)
• M18: 18,929,516 km (0.084 R)
• M19: 19,763,973 km (0.108 R)
• M20: 20,313,296 km (0.045 R)
• M21: 21,378,583 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.3

Radius: 10.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.84 AU - 5.68 AU

Year: 7914 Days

Day: 12.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,603,444 km

• M1: 164,707 km (0.067 R)
• M2: 823,087 km (0.104 R)
• M3: 1,479,224 km (0.093 R)
• M4: 1,996,533 km (0.115 R)
• M5: 2,350,482 km (0.045 R)
• M6: 3,225,031 km (0.094 R)
• M7: 5,052,070 km (0.092 R)
• M8: 5,607,078 km (0.075 R)
• M9: 5,999,473 km (0.092 R)
• M10: 6,350,280 km (0.085 R)
• M11: 6,683,883 km (0.104 R)
• M12: 10,911,519 km (0.113 R)
• M13: 11,259,334 km (0.092 R)
• M14: 13,159,078 km (0.058 R)
• M15: 16,255,005 km (0.097 R)
• M16: 19,360,059 km (0.084 R)
• M17: 22,628,922 km (0.059 R)
• M18: 24,356,777 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.5

Radius: 5.9

Gravity: 27.97 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.31 AU - 8.43 AU

Year: 13125 Days

Day: 20.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,603,444 km

• M1: 73,303 km (0.092 R)
• M2: 304,432 km (0.117 R)
• M3: 705,803 km (0.117 R)
• M4: 1,155,943 km (0.071 R)
• M5: 2,052,184 km (0.056 R)
• M6: 2,413,462 km (0.11 R)
• M7: 2,632,175 km (0.115 R)
• M8: 3,990,224 km (0.111 R)
• M9: 5,683,522 km (0.118 R)
• M10: 6,478,186 km (0.119 R)
• M11: 6,945,530 km (0.085 R)
• M12: 7,758,594 km (0.082 R)
• M13: 8,785,285 km (0.096 R)
• M14: 9,357,796 km (0.091 R)
• M15: 10,634,763 km (0.086 R)
• M16: 12,277,198 km (0.113 R)
• M17: 13,393,946 km (0.109 R)
• M18: 14,434,250 km (0.086 R)
• M19: 15,827,754 km (0.089 R)
• M20: 16,132,186 km (0.106 R)
• M21: 17,713,285 km (0.118 R)
• M22: 18,794,728 km (0.104 R)
• M23: 20,996,809 km (0.082 R)
• M24: 23,365,093 km (0.114 R)
• M25: 24,562,774 km (0.06 R)
• M26: 25,591,558 km (0.061 R)
• M27: 25,800,696 km (0.098 R)
• M28: 26,011,031 km (0.073 R)
• M29: 29,304,577 km (0.097 R)
• M30: 30,461,268 km (0.067 R)
• M31: 33,736,115 km (0.098 R)
• M32: 41,549,163 km (0.089 R)
• M33: 54,013,807 km (0.082 R)
• M34: 57,882,109 km (0.112 R)
• M35: 58,968,189 km (0.076 R)
• M36: 59,516,316 km (0.119 R)
• M37: 59,883,728 km (0.093 R)
• M38: 60,622,892 km (0.093 R)
• M39: 62,119,319 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 12,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit